138731754040928

Names of 138731754040928

• Cardinal: 138731754040928 can be written as One hundred thirty-eight trillion, seven hundred thirty-one billion, seven hundred fifty-four million, forty thousand, nine hundred twenty-eight.

Scientific notation

• Scientific notation: 1.38731754040928 × 10¹⁴

Factors of 138731754040928

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 863

Divisors of 138731754040928

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 4 8 16 19 31 32 38 62 76 124 152 248 304 361 496 589 608 722 811 961 992 1178 1444 1622 1922 2356 2888 3244 3844 4712 5776 6488 6859 7688 9424 11191 11552 12976 13718 15376 15409 18259 18848 22382 25141 25952 27436 30752 30818 36518 44764 50282 54872 61636 73036 89528 100564 109744 123272 146072 179056 201128 212629 219488 246544 292144 292771 346921 358112 402256 425258 477679 493088 584288 585542 657721 693842 779371 804512 850516 955358 1171084 1315442 1387684 1558742 1701032 1910716 2342168 2630884 2775368 3117484 3402064 3821432 4684336 5261768 5550736 5562649 6234968 6591499 6804128 7642864 9075901 9368672 10523536 11101472 11125298 12469936 12496699 13182998 14808049 15285728 18151802 20389351 21047072 22250596 24939872 24993398 26365996 29616098 36303604 40778702 44501192 49986796 52731992 59232196 72607208 81557404 89002384 99973592 105463984 118464392 145214416 163114808 172442119 178004768 199947184 210927968 236928784 237437281 281352931 290428832 326229616 344884238 387397669 399894368 473857568 474874562 562705862 632069881 652459232 689768476 774795338 949749124 1125411724 1264139762 1379536952 1549590676 1899498248 2250823448 2528279524 2759073904 3099181352 3798996496 4501646896 4511308339 5056559048 5345705689 5518147808 6198362704 7360555711 7597992992 9003293792 9022616678 10113118096 10691411378 12009327739 12396725408 14721111422 18045233356 20226236192 21382822756 24018655478 29442222844 36090466712 42765645512 48037310956 58884445688 72180933424 85531291024 96074621912 117768891376 139850558509 144361866848 171062582048 192149243824 228177227041 235537782752 279701117018 384298487648 456354454082 559402234036 912708908164 1118804468072 1825417816328 2237608936144 3650835632656 4335367313779 4475217872288 7301671265312 8670734627558 17341469255116 34682938510232 69365877020464 138731754040928
• Sum of all divisors σ(n): 298267481456280
• Sum of proper divisors (its aliquot sum) s(n): 159535727415352
• 138731754040928 is an abundant number, because the sum of its proper divisors (159535727415352) is greater than itself. Its abundance is 20803973374424

Bases of 138731754040928

• Binary: 11111100010110100000000111010110010111001100000₂
• Hexadecimal: 0x7E2D00EB2E60
• Base-36: 1D6CHKEP28

Squares and roots of 138731754040928

• 138731754040928 squared (138731754040928²) is 19246499579272542457099101184
• 138731754040928 cubed (138731754040928³) is 2670100645780462593893294676763948749258752
• The square root of 138731754040928 is 11778444.4660968711
• The cube root of 138731754040928 is 51767.6708823427

Scales and comparisons

• 138,731,754,040,928 seconds is equal to 4,411,240 years, 33 weeks, 6 days, 16 hours, 42 minutes, 8 seconds.
• To count from 1 to 138,731,754,040,928 would take you about eleven million, twenty-eight thousand, one hundred one 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 138731754040928 cubic inches would be around 4314 feet tall.

Recreational maths with 138731754040928

• 138731754040928 backwards is 829040457137831
• 138731754040928 is a Harshad number.
• The number of decimal digits it has is: 15
• The sum of 138731754040928's digits is 62
• More coming soon!