138407613960

Names of 138407613960

• Cardinal: 138407613960 can be written as One hundred thirty-eight billion, four hundred seven million, six hundred thirteen thousand, nine hundred sixty.

Scientific notation

• Scientific notation: 1.3840761396 × 10¹¹

Factors of 138407613960

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 348424

Divisors of 138407613960

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 11 12 14 15 20 21 22 24 28 30 33 35 40 42 43 44 55 56 60 66 70 77 84 86 88 105 110 120 129 132 140 154 165 168 172 210 215 220 231 258 264 280 301 308 330 344 385 420 430 440 462 473 516 602 616 645 660 770 840 860 903 924 946 1032 1155 1204 1290 1320 1419 1505 1540 1720 1806 1848 1892 2310 2365 2408 2580 2838 3010 3080 3311 3612 3784 4515 4620 4730 5160 5676 6020 6622 7095 7224 9030 9240 9460 9933 11352 12040 13244 14190 16555 18060 18920 19866 26488 28380 33110 36120 39732 49665 56760 66220 79464 99330 132440 198660 348353 397320 696706 1045059 1393412 1741765 2090118 2438471 2786824 3483530 3831883 4180236 4876942 5225295 6967060 7315413 7663766 8360472 9753884 10450590 11495649 12192355 13934120 14630826 14979179 15327532 19159415 19507768 20901180 22991298 24384710 26823181 29261652 29958358 30655064 36577065 38318830 41802360 44937537 45982596 48769420 53646362 57478245 58523304 59916716 73154130 74895895 76637660 80469543 89875074 91965192 97538840 104854253 107292724 114956490 119833432 134115905 146308260 149791790 153275320 160939086 164770969 179750148 209708506 214585448 224687685 229912980 268231810 292616520 299583580 314562759 321878172 329541938 359500296 402347715 419417012 449375370 459825960 494312907 524271265 536463620 599167160 629125518 643756344 659083876 804695430 823854845 838834024 898750740 988625814 1048542530 1072927240 1153396783 1258251036 1318167752 1572813795 1609390860 1647709690 1797501480 1977251628 2097085060 2306793566 2471564535 2516502072 3145627590 3218781720 3295419380 3460190349 3954503256 4194170120 4613587132 4943129070 5766983915 6291255180 6590838760 6920380698 9227174264 9886258140 11533967830 12582510360 13840761396 17300951745 19772516280 23067935660 27681522792 34601903490 46135871320 69203806980 138407613960
• Sum of all divisors σ(n): 529721026560
• Sum of proper divisors (its aliquot sum) s(n): 391313412600
• 138407613960 is an abundant number, because the sum of its proper divisors (391313412600) is greater than itself. Its abundance is 252905798640

Bases of 138407613960

• Binary: 10000000111001101111001001011000001000₂
• Hexadecimal: 0x2039BC9608
• Base-36: 1RL0BIFC

Squares and roots of 138407613960

• 138407613960 squared (138407613960²) is 19156667602100386881600
• 138407613960 cubed (138407613960³) is 2651428654231549232675141027136000
• The square root of 138407613960 is 372031.7378396633
• The cube root of 138407613960 is 5172.7321882525

Scales and comparisons

• 138,407,613,960 seconds is equal to 4,400 years, 48 weeks, 3 days, 23 hours, 26 minutes.
• To count from 1 to 138,407,613,960 would take you about eight thousand, eight 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 138407613960 cubic inches would be around 431.1 feet tall.

Recreational maths with 138407613960

• 138407613960 backwards is 069316704831
• The number of decimal digits it has is: 12
• The sum of 138407613960's digits is 48
• More coming soon!