138961355904

Names of 138961355904

• Cardinal: 138961355904 can be written as One hundred thirty-eight billion, nine hundred sixty-one million, three hundred fifty-five thousand, nine hundred four.

Scientific notation

• Scientific notation: 1.38961355904 × 10¹¹

Factors of 138961355904

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 1861

Divisors of 138961355904

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 31 32 36 42 48 56 62 63 64 72 84 93 96 112 124 126 128 144 168 186 192 217 224 248 252 279 288 336 372 384 389 434 448 496 504 558 576 651 672 744 778 868 896 992 1008 1116 1152 1167 1302 1344 1429 1488 1556 1736 1953 1984 2016 2232 2334 2604 2688 2723 2858 2976 3112 3472 3501 3906 3968 4032 4287 4464 4668 5208 5446 5716 5952 6224 6944 7002 7812 8064 8169 8574 8928 9336 10003 10416 10892 11432 11904 12059 12448 12861 13888 14004 15624 16338 17148 17856 18672 20006 20832 21784 22864 24118 24507 24896 25722 27776 28008 30009 31248 32676 34296 35712 36177 37344 40012 41664 43568 44299 45728 48236 49014 49792 51444 56016 60018 62496 65352 68592 72354 74688 80024 83328 84413 87136 88598 90027 91456 96472 98028 102888 108531 112032 120036 124992 130704 132897 137184 144708 149376 160048 168826 174272 177196 180054 182912 192944 196056 205776 217062 224064 240072 249984 253239 261408 265794 274368 289416 310093 320096 337652 348544 354392 360108 385888 392112 398691 411552 434124 448128 480144 506478 522816 531588 548736 555881 578832 620186 640192 675304 708784 720216 759717 771776 784224 797382 823104 868248 930279 960288 1012956 1045632 1063176 1111762 1157664 1240372 1280384 1350608 1417568 1440432 1519434 1543552 1568448 1594764 1646208 1667643 1736496 1860558 1920576 2025912 2126352 2223524 2315328 2480744 2701216 2790837 2835136 2880864 3038868 3136896 3189528 3335286 3472992 3721116 3841152 3891167 4051824 4252704 4447048 4630656 4961488 5002929 5402432 5581674 5670272 5761728 6077736 6379056 6670572 6945984 7442232 7782334 8103648 8505408 8894096 9922976 10005858 10804864 11163348 11523456 11673501 12155472 12758112 13341144 13891968 14884464 15564668 16207296 17010816 17232311 17788192 19845952 20011716 22326696 23347002 24310944 25516224 26682288 29768928 31129336 32414592 34464622 35020503 35576384 39691904 40023432 44653392 46694004 48621888 51032448 51696933 53364576 59537856 62258672 68929244 70041006 71152768 80046864 89306784 93388008 97243776 103393866 106729152 119075712 120626177 124517344 137858488 140082012 155090799 160093728 178613568 186776016 206787732 213458304 241252354 249034688 275716976 280164024 310181598 320187456 357227136 361878531 373552032 413575464 482504708 498069376 551433952 560328048 620363196 640374912 723757062 747104064 827150928 965009416 1085635593 1102867904 1120656096 1240726392 1447514124 1494208128 1654301856 1930018832 2171271186 2205735808 2241312192 2481452784 2895028248 3308603712 3860037664 4342542372 4482624384 4962905568 5790056496 6617207424 7720075328 8685084744 9925811136 11580112992 15440150656 17370169488 19851622272 23160225984 34740338976 46320451968 69480677952 138961355904
• Sum of all divisors σ(n): 473286528000
• Sum of proper divisors (its aliquot sum) s(n): 334325172096
• 138961355904 is an abundant number, because the sum of its proper divisors (334325172096) is greater than itself. Its abundance is 195363816192

Bases of 138961355904

• Binary: 10000001011010101111100000010010000000₂
• Hexadecimal: 0x205ABE0480
• Base-36: 1RU604G0

Squares and roots of 138961355904

• 138961355904 squared (138961355904²) is 19310258434678155657216
• 138961355904 cubed (138961355904³) is 2683379694939529123976703601803264
• The square root of 138961355904 is 372775.2082743699
• The cube root of 138961355904 is 5179.6213741133

Scales and comparisons

• 138,961,355,904 seconds is equal to 4,418 years, 28 weeks, 1 day, 38 minutes, 24 seconds.
• To count from 1 to 138,961,355,904 would take you about eight thousand, eight hundred thirty-seven 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 138961355904 cubic inches would be around 431.6 feet tall.

Recreational maths with 138961355904

• 138961355904 backwards is 409553169831
• The number of decimal digits it has is: 12
• The sum of 138961355904's digits is 54
• More coming soon!