161020998684

Names of 161020998684

• Cardinal: 161020998684 can be written as One hundred sixty-one billion, twenty million, nine hundred ninety-eight thousand, six hundred eighty-four.

Scientific notation

• Scientific notation: 1.61020998684 × 10¹¹

Factors of 161020998684

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 357

Divisors of 161020998684

• Number of divisors d(n): 960
• Complete list of divisors:
  1 2 3 4 6 7 9 12 13 14 17 18 21 26 27 28 31 34 36 39 42 43 51 52 54 62 63 68 78 81 84 86 91 93 102 108 117 119 124 126 129 153 156 162 172 182 186 189 204 217 221 234 238 241 252 258 273 279 301 306 324 351 357 364 372 378 387 403 434 442 459 468 476 482 516 527 546 558 559 567 602 612 651 663 702 714 723 731 756 774 806 819 837 868 884 903 918 964 1053 1054 1071 1092 1116 1118 1134 1161 1204 1209 1302 1326 1333 1377 1404 1428 1446 1462 1547 1548 1581 1612 1638 1674 1677 1687 1806 1836 1953 1989 2106 2108 2142 2169 2193 2236 2268 2322 2418 2457 2511 2604 2652 2666 2709 2754 2821 2892 2924 3094 3133 3162 3213 3276 3348 3354 3374 3483 3612 3627 3689 3906 3913 3978 3999 4097 4212 4284 4338 4386 4641 4644 4743 4836 4914 5022 5031 5061 5117 5332 5418 5508 5642 5859 5967 6188 6266 6324 6426 6507 6579 6708 6748 6851 6966 7254 7371 7378 7471 7812 7826 7956 7998 8127 8194 8463 8676 8772 9282 9331 9399 9486 9503 9639 9828 10044 10062 10122 10234 10363 10836 10881 11067 11284 11718 11739 11934 11997 12291 12532 12852 13014 13158 13702 13923 13932 14229 14508 14742 14756 14942 15093 15183 15351 15652 15996 16254 16388 16926 17329 17577 17901 18564 18662 18798 18972 19006 19278 19521 19737 20124 20244 20468 20553 20726 21762 21931 22134 22413 22661 23436 23478 23868 23994 24381 24582 25389 26028 26316 27404 27846 27993 28197 28458 28509 28679 29484 29884 30186 30366 30702 31089 32508 32643 33201 33852 34658 35154 35217 35802 35991 36873 37324 37596 38012 38556 39042 39474 41106 41452 41769 42687 43524 43862 44268 44826 45279 45322 45549 46053 46956 47957 47988 48762 49164 50778 51987 52297 53261 55692 55986 56394 56916 57018 57358 59211 60372 60732 61404 61659 62178 65286 65793 66402 66521 67239 67983 69316 70308 70434 71604 71982 72541 73746 76167 78084 78948 82212 83538 83979 84591 85374 85527 86037 87724 89652 90558 90644 91098 92106 93267 95914 97123 97524 99603 101556 103974 104594 105651 106522 107973 110619 111972 112788 114036 114716 118422 121303 123318 124356 125307 127007 130572 131586 132804 133042 134478 134719 135966 136647 138159 140868 143871 143964 145082 147492 152334 155961 156891 158627 159783 167076 167958 169182 170748 171054 172074 176171 181116 182196 184212 184977 186534 191828 194246 197379 199206 199563 201717 203949 207948 209188 211302 213044 215946 217623 221238 228501 236844 242606 246636 250614 251937 253773 254014 256581 258111 263172 266084 268956 269438 271932 273294 276318 279801 287742 290164 291369 294593 298809 304668 311922 313782 316953 317254 319566 321253 331857 335916 338364 342108 344148 352342 363909 369954 372827 373068 381021 388492 394758 398412 399126 403434 404157 407898 414477 422604 431613 431892 435246 442476 457002 467883 470673 475881 479349 485212 501228 503874 507546 508028 513162 516222 528513 538876 546588 552636 554931 559602 575484 582738 589186 592137 597618 598689 605151 611847 623844 627564 633906 634508 639132 642506 652869 663714 679861 704684 727818 739908 745654 755811 762042 769743 774333 789516 798252 806868 808314 815796 828954 839403 863226 870492 874107 883779 889049 914004 935766 941346 943033 951762 958698 963759 1007748 1015092 1026324 1032444 1057026 1091727 1109862 1118481 1119204 1143063 1165476 1178372 1184274 1195236 1197378 1210302 1212471 1223694 1233197 1267812 1285012 1294839 1305738 1327428 1359722 1403649 1412019 1427643 1438047 1455636 1491308 1511622 1524084 1539486 1548666 1585539 1616628 1651091 1657908 1678806 1726452 1748214 1767558 1776411 1778098 1796067 1835541 1871532 1882692 1886066 1903524 1917396 1927518 1958607 2039583 2062151 2114052 2183454 2219724 2236962 2248771 2286126 2290223 2322999 2368548 2394756 2420604 2424942 2447388 2466394 2589678 2611476 2622321 2651337 2667147 2719444 2807298 2824038 2829099 2855286 2876094 2891277 3023244 3078972 3097332 3171078 3275181 3302182 3355443 3357612 3429189 3496428 3535116 3552822 3556196 3592134 3637413 3671082 3699591 3772132 3855036 3884517 3917214 4079166 4124302 4176289 4236057 4282929 4314141 4366908 4473924 4497542 4572252 4580446 4645998 4756617 4849884 4932788 4953273 5179356 5244642 5302674 5334294 5388201 5461301 5614596 5648076 5658198 5710572 5752188 5782554 5875821 6118749 6186453 6342156 6550362 6604364 6710886 6746313 6858378 6870669 7105644 7184268 7274826 7342164 7399182 7769034 7834428 7866963 7954011 8001441 8158332 8248604 8352578 8472114 8487297 8565858 8628282 8673831 8995084 9160892 9291996 9513234 9825543 9906546 10066329 10287567 10489284 10605348 10668588 10776402 10912239 10922602 11098773 11316396 11557637 11565108 11751642 12237498 12372906 12528867 12848787 13100724 13421772 13492626 13716756 13741338 14269851 14549652 14798364 14859819 15538068 15733926 15908022 16002882 16031561 16383903 16705156 16944228 16974594 17131716 17256564 17347662 18356247 18559359 19026468 19651086 19813092 20132658 20238939 20575134 20612007 21552804 21824478 21845204 22197546 23115274 23503284 23862033 24004323 24474996 24745812 25057734 25461891 25697574 26021493 26985252 27482676 28539702 29234023 29719638 30198987 31467852 31816044 32005764 32063122 32767806 33296319 33949188 34672911 34695324 36712494 37118718 37586601 38229107 39302172 40265316 40477878 41150268 41224014 43648956 44395092 44579457 46230548 47724066 48008646 48094683 49151709 50115468 50923782 51395148 52042986 55068741 55678077 57079404 58468046 59439276 60397974 60716817 61836021 64126244 65535612 66592638 69345822 70996913 72012969 73424988 74237436 75173202 76385673 76458214 80955756 82448028 87702069 89158914 95448132 96017292 96189366 98303418 99888957 101847564 104018733 104085972 110137482 111356154 112759803 114687321 116936092 120795948 121433634 123672042 133185276 133738371 138691644 141993826 144025938 144284049 147455127 150346404 152771346 152916428 167034231 175404138 178317828 182150451 185508063 192378732 196606836 199777914 208037466 212990739 220274964 222712308 225519606 229374642 242867268 247344084 263106207 267476742 283987652 288051876 288568098 294910254 305542692 312056199 334068462 338279409 344061963 350808276 364300902 371016126 399555828 416074932 425981478 432852147 442365381 451039212 458749284 496978391 526212414 534953484 577136196 589820508 624112398 638972217 668136924 676558818 688123926 728601804 742032252 789318621 851962956 865704294 884730762 936168597 993956782 1032185889 1052424828 1248224796 1277944434 1298556441 1353117636 1376247852 1490935173 1578637242 1731408588 1769461524 1872337194 1916916651 1987913564 2064371778 2367955863 2555888868 2597112882 2981870346 3096557667 3157274484 3744674388 3833833302 4128743556 4472805519 4735911726 5194225764 5750749953 5963740692 6193115334 7667666604 8945611038 9471823452 11501499906 12386230668 13418416557 17891222076 23002999812 26836833114 40255249671 53673666228 80510499342 161020998684
• Sum of all divisors σ(n): 581824438272
• Sum of proper divisors (its aliquot sum) s(n): 420803439588
• 161020998684 is an abundant number, because the sum of its proper divisors (420803439588) is greater than itself. Its abundance is 259782440904

Bases of 161020998684

• Binary: 10010101111101100110010111010000011100₂
• Hexadecimal: 0x257D99741C
• Base-36: 21YZQTR0

Squares and roots of 161020998684

• 161020998684 squared (161020998684²) is 25927762017192729731856
• 161020998684 cubed (161020998684³) is 4174914133649455719527552648877504
• The square root of 161020998684 is 401274.2188130207
• The cube root of 161020998684 is 5440.3583273465

Scales and comparisons

• 161,020,998,684 seconds is equal to 5,119 years, 50 weeks, 2 days, 23 hours, 11 minutes, 24 seconds.
• To count from 1 to 161,020,998,684 would take you about ten thousand, two hundred thirty-nine 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 161020998684 cubic inches would be around 453.4 feet tall.

Recreational maths with 161020998684

• 161020998684 backwards is 486899020161
• 161020998684 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 161020998684's digits is 54
• More coming soon!