155942989020

Names of 155942989020

• Cardinal: 155942989020 can be written as One hundred fifty-five billion, nine hundred forty-two million, nine hundred eighty-nine thousand and twenty.

Scientific notation

• Scientific notation: 1.5594298902 × 10¹¹

Factors of 155942989020

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 884

Divisors of 155942989020

• Number of divisors d(n): 864
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 13 14 15 18 20 21 26 27 28 30 35 36 39 42 43 45 49 52 54 60 63 65 70 78 84 86 90 91 98 105 108 117 126 129 130 135 140 147 156 169 172 180 182 189 195 196 210 215 234 245 252 258 260 270 273 294 301 315 338 351 364 378 387 390 420 430 441 455 468 490 507 516 540 546 559 585 588 602 630 637 645 676 702 735 756 774 780 811 819 845 860 882 903 910 945 980 1014 1092 1118 1161 1170 1183 1204 1260 1274 1290 1323 1365 1404 1470 1505 1521 1548 1622 1638 1677 1690 1755 1764 1806 1820 1890 1911 1935 2028 2107 2205 2236 2322 2340 2366 2433 2457 2535 2548 2580 2646 2709 2730 2795 2940 3010 3042 3185 3244 3276 3354 3380 3510 3549 3612 3780 3822 3870 3913 4055 4095 4214 4410 4515 4563 4644 4732 4866 4914 5031 5070 5292 5418 5460 5590 5677 5733 5805 5915 6020 6084 6321 6370 6615 6708 7020 7098 7267 7299 7605 7644 7740 7826 8110 8127 8190 8281 8385 8428 8820 9030 9126 9555 9732 9828 10062 10140 10535 10543 10647 10836 11180 11354 11466 11610 11739 11830 12165 12285 12642 12740 13230 13545 14196 14534 14598 15093 15210 15652 16220 16254 16380 16562 16770 17031 17199 17745 18060 18252 18963 19110 19565 20124 21070 21086 21294 21801 21897 22708 22815 22932 23220 23478 23660 24330 24570 24843 25155 25284 26460 27090 27391 28385 28665 29068 29196 30186 30420 31605 31629 31941 32508 33124 33540 34062 34398 34873 35217 35490 36335 36495 37926 38220 39130 39739 40635 41405 42140 42172 42588 43602 43794 45630 46956 48660 49140 49686 50310 50869 51093 52715 53235 54180 54782 56770 56889 57330 58695 60372 63210 63258 63882 65403 68124 68796 69746 70434 70980 72670 72990 73801 74529 75465 75852 78260 79478 81270 82173 82810 85155 85995 87204 87588 91260 94815 94887 99372 100620 101738 102186 104619 105430 105651 106470 109005 109485 109564 113540 113778 114660 117390 119217 124215 126420 126516 127764 130806 136955 137059 139492 140868 145340 145980 147602 149058 150930 152607 153279 158145 158956 159705 162540 164346 165620 170310 171990 174365 176085 189630 189774 196209 198695 203476 204372 209238 210860 211302 212940 218010 218970 221403 223587 227556 234780 238434 244111 246519 248430 254345 255465 261612 273910 274118 284445 284661 295204 298116 301860 305214 306558 313857 316290 319410 327015 328692 340620 343980 348730 352170 356083 357651 369005 372645 379260 379548 392418 397390 410865 411177 418476 422604 436020 437940 442806 447174 453349 457821 474435 476868 488222 493038 496860 508690 510930 516607 523095 528255 547820 548236 568890 569322 596085 610428 613116 627714 632580 638820 654030 664209 685295 697460 704340 712166 715302 732333 738010 739557 745290 763035 766395 784836 794780 821730 822354 885612 894348 906698 915642 941571 948870 959413 976444 981045 986076 1017380 1021860 1033214 1046190 1056510 1068249 1072953 1107015 1117935 1137780 1138644 1192170 1220555 1232595 1233531 1255428 1308060 1328418 1360047 1370590 1373463 1423305 1424332 1430604 1464666 1476020 1479114 1490580 1526070 1532790 1549821 1569285 1643460 1644708 1708777 1780415 1788255 1813396 1831284 1883142 1897740 1918826 1962090 1992627 2055885 2066428 2092380 2113020 2136498 2145906 2196999 2214030 2235870 2266745 2289105 2384340 2441110 2465190 2467062 2583035 2656836 2720094 2741180 2746926 2846610 2878239 2929332 2958228 3052140 3065580 3099642 3138570 3173443 3204747 3321045 3417554 3560830 3576510 3661665 3697785 3700593 3766284 3837652 3924180 3985254 4080141 4111770 4272996 4291812 4393998 4428060 4471740 4533490 4578210 4649463 4707855 4797065 4882220 4930380 4934124 5126331 5166070 5341245 5364765 5440188 5493852 5693220 5756478 5893537 6167655 6199284 6277140 6346886 6409494 6590997 6642090 6715891 6800235 6835108 6867315 7121660 7153020 7323330 7395570 7401186 7749105 7970508 8160282 8223540 8543885 8634717 8787996 9066980 9156420 9298926 9415710 9520329 9594130 9614241 9963135 10252662 10332140 10682490 10729530 10984995 11512956 11787074 12240423 12335310 12693772 12818988 13181994 13284180 13431782 13600470 13734630 13948389 14391195 14646660 14791140 14802372 15378993 15498210 15867215 16023735 16320564 17087770 17269434 17680611 18502965 18597852 18831420 19040658 19188260 19228482 19926270 20147673 20400705 20505324 21364980 21459060 21969990 22214101 23247315 23574148 24480846 24670620 25631655 25904151 26363988 26863564 27200940 27469260 27896778 28560987 28782390 29467685 30757986 30996420 31734430 32047470 32954985 33579455 34175540 34538868 35361222 37005930 38081316 38456964 39852540 40295346 40801410 41254759 43173585 43939980 44428202 46136979 46494630 47601645 48071205 48961692 51263310 51808302 53041833 55793556 57121974 57564780 58935370 60443019 61202115 61515972 63468860 64094940 65909970 66642303 67158910 69741945 70722444 74011860 76894965 80590692 81602820 82509518 85682961 86347170 88403055 88856404 92273958 92989260 95203290 96142410 100738365 102526620 103616604 106083666 111070505 114243948 117870740 120886038 122404230 123764277 129520755 131819940 133284606 134317820 139483890 142804935 153789930 159125499 165019036 171365922 172694340 176806110 181329057 184547916 190406580 192284820 199926909 201476730 206273795 212167332 222141010 230684895 241772076 244808460 247528554 259041510 265209165 266569212 278967780 285609870 288783313 302215095 307579860 318250998 333211515 342731844 353612220 362658114 371292831 399853818 402953460 412547590 428414805 444282020 461369790 495057108 518083020 530418330 571219740 577566626 599780727 604430190 618821385 636501996 666423030 725316228 742585662 795627495 799707636 825095180 856829610 866349939 906645285 922739580 999634545 1060836660 1113878493 1155133252 1199561454 1208860380 1237642770 1332846060 1443916565 1485171324 1591254990 1713659220 1732699878 1813290570 1856464155 1999269090 2227756986 2399122908 2475285540 2599049817 2887833130 2998903635 3182509980 3465399756 3626581140 3712928310 3998538180 4331749695 4455513972 5198099634 5569392465 5775666260 5997807270 7425856620 7797149451 8663499390 10396199268 11138784930 11995614540 12995249085 15594298902 17326998780 22277569860 25990498170 31188597804 38985747255 51980996340 77971494510 155942989020
• Sum of all divisors σ(n): 626100330240
• Sum of proper divisors (its aliquot sum) s(n): 470157341220
• 155942989020 is an abundant number, because the sum of its proper divisors (470157341220) is greater than itself. Its abundance is 314214352200

Bases of 155942989020

• Binary: 10010001001110111011010010110011011100₂
• Hexadecimal: 0x244EED2CDC
• Base-36: 1ZN0FGF0

Squares and roots of 155942989020

• 155942989020 squared (155942989020²) is 24318215824491840560400
• 155942989020 cubed (155942989020³) is 3792255263304721339590047846808000
• The square root of 155942989020 is 394896.1749878061
• The cube root of 155942989020 is 5382.5567581973

Scales and comparisons

• 155,942,989,020 seconds is equal to 4,958 years, 26 weeks, 1 day, 16 hours, 57 minutes.
• To count from 1 to 155,942,989,020 would take you about nine thousand, nine hundred seventeen 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 155942989020 cubic inches would be around 448.5 feet tall.

Recreational maths with 155942989020

• 155942989020 backwards is 020989249551
• 155942989020 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 155942989020's digits is 54
• More coming soon!