381938284728

Names of 381938284728

• Cardinal: 381938284728 can be written as Three hundred eighty-one billion, nine hundred thirty-eight million, two hundred eighty-four thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 3.81938284728 × 10¹¹

Factors of 381938284728

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 152

Divisors of 381938284728

• Number of divisors d(n): 1152
• Complete list of divisors:
  1 2 3 4 6 7 8 9 11 12 13 14 18 21 22 24 26 28 33 36 37 39 42 44 49 52 56 63 66 72 74 77 78 79 84 88 91 98 99 104 111 117 126 132 143 147 148 154 156 158 168 182 196 198 222 231 234 237 252 259 264 273 286 294 296 308 312 316 333 343 364 392 396 407 429 441 444 462 468 474 481 504 518 539 546 553 572 588 616 632 637 666 686 693 711 728 777 792 814 819 858 869 882 888 924 936 948 962 1001 1027 1029 1036 1078 1092 1106 1144 1176 1221 1274 1287 1332 1369 1372 1386 1422 1443 1554 1617 1628 1638 1659 1716 1738 1764 1813 1848 1896 1911 1924 2002 2054 2058 2072 2156 2184 2212 2331 2442 2548 2574 2607 2664 2738 2744 2772 2844 2849 2886 2923 3003 3081 3087 3108 3234 3256 3276 3318 3367 3432 3476 3528 3626 3663 3773 3822 3848 3871 4004 4107 4108 4116 4312 4329 4424 4459 4662 4851 4884 4977 5096 5148 5214 5291 5439 5476 5544 5688 5698 5733 5772 5846 6006 6083 6162 6174 6216 6468 6552 6636 6734 6952 7007 7189 7252 7326 7546 7644 7742 7821 8008 8214 8216 8232 8547 8658 8769 8918 9009 9243 9324 9583 9702 9768 9954 10101 10296 10428 10582 10878 10952 11297 11319 11396 11466 11544 11613 11692 12012 12166 12321 12324 12348 12691 12936 13272 13377 13468 14014 14378 14504 14652 15059 15092 15288 15484 15642 15873 16317 16428 17094 17316 17538 17797 17836 18018 18249 18486 18648 19166 19404 19908 19943 20202 20461 20856 21021 21164 21567 21756 22594 22638 22792 22932 23226 23384 23569 24024 24332 24642 24648 24696 25382 25641 26307 26754 26936 27097 28028 28749 28756 29304 30118 30184 30303 30968 31284 31746 32153 32634 32856 33891 33957 34188 34632 34839 35076 35594 35672 36036 36498 36972 37037 37999 38073 38332 38808 39816 39886 40131 40404 40922 42042 42328 42581 43134 43512 45177 45188 45276 45864 46452 47138 47619 48664 49049 49284 50323 50764 51282 52614 53391 53508 54194 54747 56056 57498 57512 59829 60236 60606 61383 62568 63063 63492 64306 64701 65268 67081 67782 67914 68376 69678 70152 70707 71188 72072 72996 73944 74074 75998 76146 76664 79079 79772 80262 80808 81291 81844 84084 85162 86247 86268 90354 90376 90552 92904 94276 95238 96459 98098 98568 100646 101528 101673 102564 105228 105413 106782 107016 108151 108388 109494 111111 113997 114219 114996 119658 120472 121212 122766 124579 126126 126984 127743 128612 129402 130536 134162 135531 135564 135828 139356 139601 141414 142376 143227 145992 147147 148148 150969 151996 152292 158158 159544 160173 160524 162582 163688 164983 168168 170324 172494 172536 179487 180708 184149 188552 190476 192918 195767 196196 201243 201292 203346 205128 210456 210826 212121 213564 216302 216776 218988 222222 225071 227994 228438 229992 237237 239316 242424 243873 245532 249158 252252 255486 257224 258804 259259 265993 268324 271062 271128 271656 278712 279202 282828 286454 289377 294294 296296 298067 301938 303992 304584 316239 316316 320346 321048 324453 325164 329966 333333 340648 341991 344988 352261 358974 361416 368298 373737 380952 383229 385836 391534 392392 402486 402584 406692 417989 418803 421652 424242 427128 429681 432604 437976 441441 444444 450142 452907 455988 456876 469567 474474 478632 487746 491064 494949 498316 504504 510972 517608 518518 531986 536648 542124 553553 558404 565656 572908 578754 587301 588588 596134 603729 603876 632478 632632 640692 648906 650328 659932 666666 675213 683982 689976 704522 711711 717948 736596 737891 747474 757057 766458 771672 777777 783068 797979 804972 813384 835978 837606 843304 848484 859362 865208 872053 882882 888888 894201 900284 905814 911976 913752 939134 948717 948948 973359 975492 989898 996632 1002589 1021944 1037036 1056783 1063972 1084248 1107106 1116808 1121211 1145816 1157508 1174602 1177176 1189661 1192268 1207458 1207752 1253967 1256409 1264956 1281384 1289043 1297812 1319864 1333332 1350426 1367964 1370369 1405963 1408701 1409044 1423422 1435896 1473192 1475782 1484847 1494948 1514114 1532916 1555554 1566136 1575497 1595958 1609944 1660659 1671956 1675212 1696968 1718724 1744106 1761903 1765764 1788402 1800568 1811628 1814813 1861951 1878268 1897434 1897896 1946718 1950984 1979796 2005178 2025639 2074072 2113566 2127944 2213673 2214212 2242422 2271171 2315016 2333331 2349204 2379322 2384536 2393937 2414916 2507934 2512818 2529912 2578086 2595624 2616159 2666664 2682603 2700852 2735928 2740738 2811926 2817402 2818088 2846844 2925923 2951564 2969694 2989896 3007767 3028228 3065832 3111108 3150994 3170349 3191916 3321318 3343912 3350424 3437448 3488212 3523806 3531528 3568983 3576804 3623256 3629626 3723902 3756536 3761901 3794868 3874871 3893436 3959592 4010356 4051278 4111107 4217889 4226103 4227132 4427346 4428424 4484844 4542342 4666662 4698408 4726491 4758644 4787874 4829832 4981977 5015868 5025636 5156172 5165237 5232318 5299399 5365206 5401704 5444439 5481476 5585853 5623852 5634804 5693688 5851846 5903128 5939388 6015534 6056456 6104371 6222216 6301988 6340698 6383832 6641019 6642636 6813513 6976424 7047612 7137966 7153608 7259252 7447804 7523802 7589736 7749742 7786872 7848477 8020712 8102556 8222214 8327627 8435778 8452206 8454264 8777769 8854692 8969688 9023301 9084684 9333324 9452982 9517288 9575748 9592583 9841741 9963954 10031736 10051272 10312344 10330474 10464636 10598798 10706949 10730412 10888878 10962952 11028479 11171706 11247704 11269608 11624613 11703692 11878776 12031068 12208742 12333321 12603976 12653667 12681396 13033657 13282038 13285272 13627026 14095224 14179473 14275932 14518504 14895608 15047604 15465593 15495711 15499484 15696954 15898197 16205112 16333317 16444428 16655254 16757559 16871556 16904412 17555538 17709384 18046602 18169368 18313113 18666648 18905964 19151496 19185166 19683482 19927908 20481461 20660948 20929272 21197596 21413898 21460824 21777756 22056958 22343412 23249226 23407384 24062136 24417484 24666642 24982881 25307334 25362792 26067314 26333307 26564076 27254052 28358946 28551864 28777749 29525223 30095208 30931186 30991422 30998968 31393908 31796394 32666634 32888856 33085437 33310508 33515118 33743112 33808824 34873839 35111076 36093204 36626226 37095793 37811928 38370332 39100971 39366964 39855816 40962922 41321896 42395192 42827796 43555512 44113916 44686824 46396779 46487133 46498452 47694591 48834968 49333284 49965762 50614668 52134628 52666614 53128152 54508104 54939339 56717892 57555498 58293389 59050446 61444383 61862372 61982844 62787816 63592788 65333268 66170874 66621016 67030236 67148081 68892187 69747678 70222152 72186408 73252452 74191586 74948643 76740664 78201942 78733928 81925844 85655592 86333247 88227832 88575669 92793558 92974266 92996904 95389182 98666568 99256311 99931524 101229336 104269256 105333228 108259151 109878678 111287379 113435784 115110996 116586778 117302913 118100892 122888766 123724744 123965688 127185576 130666536 132341748 134060472 134296162 137784374 139190337 139495356 143370227 146504904 148383172 149897286 156403884 163851688 172666494 174880167 177151338 184333149 185587116 185948532 190778364 198512622 199863048 201444243 206676561 210666456 216518302 219757356 222574758 230221992 233173556 234605826 236201784 245777532 264683496 268592324 275568748 278380674 278990712 286740454 296766344 299794572 312807768 324777453 333862137 345332988 349760334 354302676 368666298 371174232 371897064 381556728 397025244 402888486 408053723 413353122 430110681 433036604 439514712 445149516 466347112 469211652 482245309 491555064 524640501 537184648 551137496 556761348 573480908 599589144 604332729 620029683 649554906 667724274 690665976 699520668 708605352 737332596 757814057 794050488 805776972 816107446 826706244 860221362 866073208 890299032 938423304 964490618 974332359 1049281002 1113522696 1146961816 1208665458 1224161169 1240059366 1290332043 1299109812 1335448548 1399041336 1446735927 1474665192 1515628114 1611553944 1632214892 1653412488 1720442724 1928981236 1948664718 2098562004 2273442171 2417330916 2448322338 2480118732 2580664086 2598219624 2670897096 2893471854 3031256228 3264429784 3440885448 3672483507 3857962472 3897329436 4197124008 4340207781 4546884342 4834661832 4896644676 4960237464 5161328172 5304698399 5786943708 6062512456 6820326513 7344967014 7794658872 8680415562 9093768684 9793289352 10322656344 10609396798 11573887416 13640653026 14689934028 15914095197 17360831124 18187537368 21218793596 27281306052 29379868056 31828190394 34721662248 42437587192 47742285591 54562612104 63656380788 95484571182 127312761576 190969142364 381938284728
• Sum of all divisors σ(n): 1474986240000
• Sum of proper divisors (its aliquot sum) s(n): 1093047955272
• 381938284728 is an abundant number, because the sum of its proper divisors (1093047955272) is greater than itself. Its abundance is 711109670544

Bases of 381938284728

• Binary: 101100011101101010010111011100010111000₂
• Hexadecimal: 0x58ED4BB8B8
• Base-36: 4VGK6YM0

Squares and roots of 381938284728

• 381938284728 squared (381938284728²) is 145876853340966798033984
• 381938284728 cubed (381938284728³) is 55715955146566874974298251612196352
• The square root of 381938284728 is 618011.5571152371
• The cube root of 381938284728 is 7255.4507387177

Scales and comparisons

• 381,938,284,728 seconds is equal to 12,144 years, 23 weeks, 4 days, 23 hours, 58 minutes, 48 seconds.
• To count from 1 to 381,938,284,728 would take you about twenty-four thousand, two hundred eighty-eight years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 381938284728 cubic inches would be around 604.6 feet tall.

Recreational maths with 381938284728

• 381938284728 backwards is 827482839183
• 381938284728 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 381938284728's digits is 63
• More coming soon!