1981640698128

Names of 1981640698128

• Cardinal: 1981640698128 can be written as One trillion, nine hundred eighty-one billion, six hundred forty million, six hundred ninety-eight thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 1.981640698128 × 10¹²

Factors of 1981640698128

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 795

Divisors of 1981640698128

• Number of divisors d(n): 960
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 13 14 16 18 21 24 26 28 31 36 39 42 48 52 56 62 63 71 72 78 84 91 93 104 112 117 124 126 127 142 144 156 168 182 186 208 213 217 234 248 252 254 273 279 284 312 336 364 372 381 403 426 434 468 496 497 504 508 541 546 558 568 624 639 651 728 744 762 806 819 852 868 889 923 936 994 1008 1016 1082 1092 1116 1136 1143 1209 1278 1302 1456 1488 1491 1524 1612 1623 1638 1651 1704 1736 1778 1846 1872 1953 1988 2032 2164 2184 2201 2232 2286 2418 2556 2604 2667 2769 2821 2982 3048 3224 3246 3276 3302 3408 3472 3556 3627 3692 3787 3906 3937 3976 4328 4368 4402 4464 4473 4572 4836 4869 4953 5112 5208 5334 5538 5642 5964 6096 6448 6461 6492 6552 6603 6604 7033 7112 7254 7384 7574 7812 7874 7952 8001 8307 8463 8656 8804 8946 9017 9144 9672 9738 9906 10224 10416 10668 11076 11284 11361 11557 11811 11928 12922 12984 13104 13206 13208 14066 14224 14508 14768 14859 15148 15407 15624 15748 16002 16614 16771 16926 17608 17892 18034 18288 19344 19383 19476 19809 19812 21099 21336 22152 22568 22722 23114 23622 23856 25389 25844 25968 26412 26416 27051 27559 28132 28613 29016 29718 30296 30814 31248 31496 32004 33228 33542 33852 34083 34671 35216 35433 35784 36068 38411 38766 38952 39618 39624 42198 42672 44304 45136 45444 46221 46228 47244 49231 50313 50778 51181 51688 52824 54102 55118 56264 57226 58032 58149 59436 60592 61628 62992 63119 63297 64008 66456 67084 67704 68166 68707 69342 70866 71568 72136 76822 77532 77904 79236 79248 81153 82677 84396 85839 90888 92442 92456 94488 98462 100626 101556 102362 103376 104013 105648 108204 110236 112528 114452 115233 116298 117221 117397 118872 123256 126238 126594 128016 132912 134168 135408 136332 137414 138663 138684 141732 144272 147693 150939 153543 153644 155064 158472 162306 165354 168792 171678 181776 184884 184912 188976 189357 196924 200291 201252 203112 204724 206121 208026 216408 218023 220472 228904 230466 232596 234442 234794 237744 246512 248031 252476 253188 257517 268336 268877 272664 274828 277326 277368 279527 283464 295386 301878 307086 307288 310128 316944 324612 330708 337584 343356 345699 351663 352191 358267 369768 378714 393848 400582 402504 406224 409448 412242 416052 432816 436046 440944 443079 457808 460629 460932 465192 468884 469588 480949 496062 499343 504952 506376 515034 537754 545328 549656 554652 554736 559054 566928 568071 590772 600873 603756 614172 614576 618363 649224 654069 661416 686712 691398 703326 704382 716534 739536 757428 787696 801164 805008 806631 818896 820547 824484 832104 838581 872092 886158 893191 921258 921864 930384 937768 939176 961898 992124 998686 1009904 1012752 1030068 1054989 1056573 1074801 1075508 1099312 1109304 1118108 1136142 1181544 1190741 1201746 1207512 1228344 1236726 1298448 1308138 1322832 1373424 1382796 1406652 1408764 1433068 1442847 1498029 1514856 1526161 1602328 1613262 1641094 1648968 1664208 1677162 1744184 1772316 1786382 1802619 1842516 1843728 1875536 1878352 1923796 1956689 1962207 1984248 1997372 2060136 2109978 2113146 2129917 2149602 2151016 2218608 2236216 2272284 2363088 2381482 2403492 2415024 2419893 2456688 2461641 2473452 2515743 2616276 2679573 2765592 2813304 2817528 2866136 2885694 2996058 3029712 3052322 3204656 3224403 3226524 3282188 3297936 3354324 3488368 3495401 3544632 3572223 3572764 3605238 3633851 3685032 3847592 3913378 3924414 3968496 3994744 4120272 4219956 4226292 4259834 4299204 4302032 4328541 4472432 4494087 4544568 4578483 4762964 4806984 4839786 4878197 4923282 4946904 5031486 5232552 5359146 5531184 5626608 5635056 5732272 5771388 5870067 5992116 6104644 6252337 6389751 6448806 6453048 6564376 6708648 6990802 7089264 7144446 7145528 7210476 7267702 7370064 7384923 7695184 7826756 7848828 7989488 8038719 8335187 8439912 8452584 8519668 8598408 8657082 8988174 9089136 9156966 9525928 9613968 9679572 9756394 9846564 9893808 10062972 10465104 10486203 10716669 10718292 10901553 11542776 11740134 11984232 12209288 12504674 12779502 12897612 12906096 13128752 13417296 13735449 13981604 14288892 14291056 14420952 14535404 14634591 14769846 14909419 15479633 15653512 15697656 16077438 16670374 16879824 16905168 17039336 17196816 17314164 17610201 17976348 18313932 18757011 19051856 19169253 19359144 19512788 19693128 20125944 20972406 21433338 21436584 21803106 23085552 23480268 23968464 24418576 25005561 25009348 25436957 25559004 25795224 27470898 27688921 27963208 28577784 28841904 29070808 29269182 29539692 29818838 30959266 31307024 31395312 31458609 32154876 32704659 33340748 34078672 34147379 34628328 35220402 35952696 36627864 37514022 38338506 38718288 39025576 39386256 40251888 41944812 42866676 42873168 43606212 43903773 44728257 46438899 46960536 50011122 50018696 50873914 51118008 51590448 54941796 55377842 55926416 56271033 57155568 58141616 58538364 59079384 59637676 61918532 62917218 63416561 64309752 65409318 66681496 68294758 69256656 70440804 71905392 73255728 75016683 75028044 76310871 76677012 78051152 83066763 83889624 85733352 87212424 87807546 89456514 92877798 93921072 100022244 100037392 101747828 102236016 102442137 108357431 109883592 110755684 112542066 117076728 118158768 119275352 123837064 125834436 126833122 128619504 130818636 133362992 134184771 136589516 139316697 140881608 150033366 150056088 151224107 152621742 153354024 166133526 167779248 171466704 174424848 175615092 178913028 185755596 190249683 193822447 200044488 203495656 204884274 216714862 219767184 221511368 225084132 228932613 234153456 238550704 247674128 249200289 251668872 253666244 261637272 268369542 273179032 278633394 281763216 300066732 300112176 302448214 305243484 306708048 307326411 325072293 332267052 351230184 357826056 371511192 380499366 387644894 400088976 406991312 409768548 433429724 443022736 443915927 450168264 453672321 457865226 498400578 503337744 507332488 523274544 536739084 546358064 557266788 570749049 581467341 600133464 604896428 610486968 614652822 650144586 664534104 702460368 715652112 743022384 760998732 775289788 819537096 866859448 887831854 900336528 907344642 915730452 975216879 996801156 1014664976 1058568749 1073478168 1114533576 1141498098 1162934682 1200266928 1209792856 1220973936 1229305644 1300289172 1329068208 1331747781 1361016963 1521997464 1550579576 1639074192 1733718896 1744402023 1775663708 1814689284 1831460904 1950433758 1965913391 1993602312 2117137498 2146956336 2229067152 2282996196 2325869364 2419585712 2458611288 2600578344 2663495562 2722033926 3043994928 3101159152 3175706247 3488804046 3551327416 3629378568 3662921808 3900867516 3931826782 3987204624 3995243343 4234274996 4565992392 4651738728 4917222576 5201156688 5326991124 5444067852 5897740173 6351412494 6977608092 7102654832 7258757136 7801735032 7863653564 7990486686 8468549992 9131984784 9303477456 9527118741 10653982248 10888135704 11795480346 12702824988 13761393737 13955216184 15603470064 15727307128 15980973372 16937099984 17693220519 19054237482 21307964496 21776271408 23590960692 25405649976 27522787474 27910432368 31454614256 31961946744 35386441038 38108474964 41284181211 47181921384 50811299952 55045574948 63923893488 70772882076 76216949928 82568362422 94363842768 110091149896 123852543633 141545764152 152433899856 165136724844 220182299792 247705087266 283091528304 330273449688 495410174532 660546899376 990820349064 1981640698128
• Sum of all divisors σ(n): 7214642233344
• Sum of proper divisors (its aliquot sum) s(n): 5233001535216
• 1981640698128 is an abundant number, because the sum of its proper divisors (5233001535216) is greater than itself. Its abundance is 3251360837088

Bases of 1981640698128

• Binary: 11100110101100010111111010110100100010000₂
• Hexadecimal: 0x1CD62FD6910
• Base-36: PACPPGK0

Squares and roots of 1981640698128

• 1981640698128 squared (1981640698128²) is 3926899856477227222704384
• 1981640698128 cubed (1981640698128³) is 7781704573068275556333602041926193152
• The square root of 1981640698128 is 1407707.6039178023
• The cube root of 1981640698128 is 12560.5398104979

Scales and comparisons

• 1,981,640,698,128 seconds is equal to 63,010 years, 2 weeks, 2 days, 5 hours, 28 minutes, 48 seconds.
• To count from 1 to 1,981,640,698,128 would take you about one hundred fifty-seven thousand, five hundred twenty-five 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 1981640698128 cubic inches would be around 1046.7 feet tall.

Recreational maths with 1981640698128

• 1981640698128 backwards is 8218960461891
• 1981640698128 is a Harshad number.
• The number of decimal digits it has is: 13
• The sum of 1981640698128's digits is 63
• More coming soon!