138378852864

Names of 138378852864

• Cardinal: 138378852864 can be written as One hundred thirty-eight billion, three hundred seventy-eight million, eight hundred fifty-two thousand, eight hundred sixty-four.

Scientific notation

• Scientific notation: 1.38378852864 × 10¹¹

Factors of 138378852864

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 1097

Divisors of 138378852864

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 32 36 42 47 48 56 63 64 72 84 94 96 97 112 126 128 141 144 168 188 192 194 224 252 256 282 288 291 329 336 376 384 388 423 448 504 512 564 576 582 658 672 679 752 768 776 846 873 896 941 987 1008 1128 1152 1164 1316 1344 1358 1504 1536 1552 1692 1746 1792 1882 1974 2016 2037 2256 2304 2328 2632 2688 2716 2823 2961 3008 3104 3384 3492 3584 3764 3948 4032 4074 4512 4559 4608 4656 5264 5376 5432 5646 5922 6016 6111 6208 6587 6768 6984 7528 7896 8064 8148 8469 9024 9118 9312 10528 10752 10864 11292 11844 12032 12222 12416 13174 13536 13677 13968 15056 15792 16128 16296 16938 18048 18236 18624 19761 21056 21728 22584 23688 24064 24444 24832 26348 27072 27354 27936 30112 31584 31913 32256 32592 33876 36096 36472 37248 39522 41031 42112 43456 44227 45168 47376 48888 49664 52696 54144 54708 55872 59283 60224 63168 63826 65184 67752 72192 72944 74496 79044 82062 84224 86912 88454 90336 91277 94752 95739 97776 105392 108288 109416 111744 118566 120448 126336 127652 130368 132681 135504 145888 148992 158088 164124 168448 173824 176908 180672 182554 189504 191478 195552 210784 216576 218832 223488 237132 240896 252672 255304 260736 265362 271008 273831 287217 291776 309589 316176 328248 347648 353816 361344 365108 379008 382956 391104 398043 421568 437664 446976 474264 481792 505344 510608 521472 530724 542016 547662 574434 583552 619178 632352 638939 656496 707632 722688 730216 758016 765912 782208 796086 821493 843136 875328 928767 948528 1021216 1042944 1061448 1084032 1095324 1148868 1167104 1238356 1264704 1277878 1312992 1415264 1445376 1460432 1516032 1531824 1564416 1592172 1642986 1686272 1750656 1857534 1897056 1916817 2042432 2122896 2168064 2190648 2297736 2334208 2476712 2529408 2555756 2625984 2786301 2830528 2920864 3063648 3128832 3184344 3285972 3372544 3501312 3715068 3794112 3833634 4084864 4245792 4290019 4336128 4381296 4595472 4953424 5058816 5111512 5251968 5572602 5661056 5750451 5841728 6127296 6368688 6571944 7002624 7430136 7588224 7667268 8169728 8491584 8580038 8762592 9190944 9906848 10117632 10223024 10503936 11145204 11322112 11500902 11683456 12254592 12737376 12870057 13143888 14860272 15176448 15334536 16339456 16983168 17160076 17525184 18381888 19813696 20446048 21007872 22290408 22644224 23001804 23366912 24509184 25474752 25740114 26287776 29720544 30030133 30352896 30669072 33966336 34320152 35050368 36763776 38610171 39627392 40892096 44580816 46003608 46733824 49018368 50949504 51480228 52575552 59441088 60060266 61338144 67932672 68640304 70100736 73527552 77220342 79254784 81784192 89161632 90090399 92007216 101899008 102960456 105151104 118882176 120120532 122676288 137280608 140201472 147055104 154440684 158509568 163568384 178323264 180180798 184014432 203798016 205920912 210302208 237764352 240241064 245352576 270271197 274561216 308881368 327136768 356646528 360361596 368028864 411841824 420604416 475528704 480482128 490705152 540542394 549122432 617762736 713293056 720723192 736057728 823683648 960964256 981410304 1081084788 1098244864 1235525472 1426586112 1441446384 1472115456 1647367296 1921928512 2162169576 2196489728 2471050944 2882892768 2944230912 3294734592 3843857024 4324339152 4942101888 5765785536 6589469184 7687714048 8648678304 9884203776 11531571072 15375428096 17297356608 19768407552 23063142144 34594713216 46126284288 69189426432 138378852864
• Sum of all divisors σ(n): 471440825856
• Sum of proper divisors (its aliquot sum) s(n): 333061972992
• 138378852864 is an abundant number, because the sum of its proper divisors (333061972992) is greater than itself. Its abundance is 194683120128

Bases of 138378852864

• Binary: 10000000111000000001011011101000000000₂
• Hexadecimal: 0x203805BA00
• Base-36: 1RKJ7280

Squares and roots of 138378852864

• 138378852864 squared (138378852864²) is 19148706919956561002496
• 138378852864 cubed (138378852864³) is 2649776097412527580235834320748544
• The square root of 138378852864 is 371993.0817421205
• The cube root of 138378852864 is 5172.3738655923

Scales and comparisons

• 138,378,852,864 seconds is equal to 4,400 years, 1 week, 2 hours, 14 minutes, 24 seconds.
• To count from 1 to 138,378,852,864 would take you about eight thousand, eight hundred 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 138378852864 cubic inches would be around 431 feet tall.

Recreational maths with 138378852864

• 138378852864 backwards is 468258873831
• 138378852864 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138378852864's digits is 63
• More coming soon!