138161385648

Names of 138161385648

• Cardinal: 138161385648 can be written as One hundred thirty-eight billion, one hundred sixty-one million, three hundred eighty-five thousand, six hundred forty-eight.

Scientific notation

• Scientific notation: 1.38161385648 × 10¹¹

Factors of 138161385648

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 95

Divisors of 138161385648

• Number of divisors d(n): 720
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 13 16 18 22 24 26 29 33 36 37 39 44 48 52 58 66 72 74 78 87 88 99 104 111 116 117 132 143 144 148 156 169 174 176 198 208 222 232 234 261 264 286 296 312 319 333 338 348 377 396 407 429 444 464 468 481 507 522 528 572 592 624 638 666 676 696 754 792 814 858 888 936 957 962 1014 1044 1073 1131 1144 1221 1276 1287 1332 1352 1369 1392 1443 1508 1521 1584 1628 1716 1776 1859 1872 1914 1924 2028 2088 2146 2197 2262 2288 2442 2552 2574 2664 2704 2738 2871 2886 3016 3042 3219 3256 3393 3432 3663 3718 3828 3848 4056 4107 4147 4176 4292 4329 4394 4524 4884 4901 5104 5148 5291 5328 5476 5577 5742 5772 6032 6084 6253 6438 6512 6591 6786 6864 7326 7436 7656 7696 8112 8214 8294 8584 8658 8788 9048 9657 9768 9802 10296 10582 10952 11154 11484 11544 11803 12168 12321 12441 12506 12876 13182 13572 13949 14652 14703 14872 15059 15312 15873 16428 16588 16731 17168 17316 17576 17797 18096 18759 19314 19536 19604 19773 20592 21164 21904 22308 22968 23088 23606 24167 24336 24642 24882 25012 25752 26364 27144 27898 29304 29406 29744 30118 31746 32856 33176 33462 34632 35152 35409 35594 37323 37518 38628 39208 39546 39701 41847 42328 44109 44616 45177 45936 47212 47619 48334 49284 49764 50024 51504 52728 53391 53911 54288 55796 56277 58608 58812 60236 63492 63713 65712 66352 66924 68783 69264 70818 71188 72501 74646 75036 77256 78416 79092 79402 81289 83694 84656 88218 89232 90354 94424 95238 96668 98568 99528 100048 105456 106227 106782 107822 111592 112554 117624 119103 120472 125541 126984 127426 133848 135531 137566 141636 142376 145002 149292 150072 153439 154512 158184 158804 160173 161733 162578 167388 176436 180708 181337 188848 190476 191139 193336 195767 197136 199056 206349 212454 213564 215644 217503 223184 225108 231361 235248 238206 240944 243867 251082 253968 254852 267696 271062 275132 283272 284752 290004 298584 300144 306878 316368 317608 320346 323466 325156 334776 352872 357309 361416 362674 380952 382278 386672 391534 412698 424908 427128 431288 435006 436711 450216 460317 462722 476412 485199 487734 502164 509704 516113 542124 544011 550264 566544 573417 580008 587301 597168 613756 619047 635216 640692 646932 650312 669552 694083 700843 705744 714618 722832 725348 731601 761904 764556 783068 825396 849816 854256 862576 870012 873422 894179 900432 920634 925444 952824 970398 975468 1004328 1019408 1032226 1084248 1088022 1100528 1146834 1160016 1174602 1227512 1238094 1281384 1293864 1300624 1310133 1380951 1388166 1401686 1429236 1450696 1463202 1529112 1548339 1566136 1632033 1650792 1699632 1740024 1746844 1761903 1788358 1841268 1850888 1905648 1940796 1950936 1994707 2008656 2064452 2082249 2102529 2168496 2176044 2293668 2349204 2357381 2455024 2476188 2544971 2562768 2587728 2620266 2682537 2761902 2776332 2803372 2858472 2901392 2926404 3007693 3058224 3096678 3132272 3264066 3301584 3480048 3493688 3523806 3576716 3682536 3701776 3881592 3901872 3930399 3989414 4128904 4164498 4205058 4352088 4587336 4645017 4698408 4714762 4952376 5089942 5240532 5365074 5523804 5552664 5606744 5677243 5716944 5852808 5984121 6015386 6193356 6307587 6528132 6709469 6987376 7047612 7072143 7153432 7365072 7634913 7763184 7860798 7978828 8047611 8257808 8328996 8410116 8704176 9023079 9174672 9290034 9396816 9429524 9904752 10179884 10481064 10730148 11047608 11105328 11213488 11354486 11705616 11968242 12030772 12386712 12615174 13056264 13418938 14095224 14144286 14306864 15269826 15721596 15957656 16095222 16657992 16820232 17031729 17952363 18046158 18580068 18859048 20128407 20359768 20962128 21216429 21460296 22095216 22708972 22904739 23936484 24061544 24773424 25230348 25931191 26112528 26837876 27069237 28190448 28288572 30539652 31443192 31915312 32190444 33084623 33315984 33640464 34063458 35904726 36092316 37160136 37718096 40256814 40719536 42432858 42920592 45417944 45809478 47872968 48123088 50460696 51095187 51862382 53675752 54138474 56577144 60385221 61079304 62886384 64380888 66169246 68126916 71809452 72184632 73804159 74320272 77793573 80513628 84865716 87223097 90835888 91618956 95745936 99253869 100921392 102190374 103724764 107351504 108276948 113154288 120770442 122158608 128761776 132338492 136253832 143618904 144369264 147608318 155587146 161027256 169731432 174446194 183237912 198507738 204380748 207449528 216553896 221412477 233380719 241540884 261669291 264676984 272507664 287237808 295216636 297761607 311174292 322054512 339462864 348892388 366475824 397015476 408761496 414899056 433107792 442824954 466761438 483081768 523338582 529353968 590433272 595523214 622348584 664237431 697784776 785007873 794030952 817522992 885649908 933522876 959454067 966163536 1046677164 1180866544 1191046428 1244697168 1328474862 1395569552 1570015746 1588061904 1771299816 1867045752 1918908134 2093354328 2382092856 2656949724 2878362201 3140031492 3542599632 3734091504 3837816268 4186708656 4764185712 5313899448 5756724402 6280062984 7675632536 8635086603 10627798896 11513448804 12560125968 15351265072 17270173206 23026897608 34540346412 46053795216 69080692824 138161385648
• Sum of all divisors σ(n): 485823592800
• Sum of proper divisors (its aliquot sum) s(n): 347662207152
• 138161385648 is an abundant number, because the sum of its proper divisors (347662207152) is greater than itself. Its abundance is 209500821504

Bases of 138161385648

• Binary: 10000000101011000011110111000010110000₂
• Hexadecimal: 0x202B0F70B0
• Base-36: 1RGXPZG0

Squares and roots of 138161385648

• 138161385648 squared (138161385648²) is 19088568484175380379904
• 138161385648 cubed (138161385648³) is 2637303071810413513935009293217792
• The square root of 138161385648 is 371700.6667306369
• The cube root of 138161385648 is 5169.6629227263

Scales and comparisons

• 138,161,385,648 seconds is equal to 4,393 years, 5 weeks, 3 days, 2 hours, 40 minutes, 48 seconds.
• To count from 1 to 138,161,385,648 would take you about eight thousand, seven hundred eighty-six 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 138161385648 cubic inches would be around 430.8 feet tall.

Recreational maths with 138161385648

• 138161385648 backwards is 846583161831
• The number of decimal digits it has is: 12
• The sum of 138161385648's digits is 54
• More coming soon!