13087499904

Names of 13087499904

• Cardinal: 13087499904 can be written as Thirteen billion, eighty-seven million, four hundred ninety-nine thousand, nine hundred four.

Scientific notation

• Scientific notation: 1.3087499904 × 10¹⁰

Factors of 13087499904

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 431

Divisors of 13087499904

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 128 144 157 192 269 288 314 384 471 538 576 628 807 942 1076 1152 1256 1413 1614 1884 2152 2421 2512 2826 3228 3768 4304 4842 5024 5652 6456 7536 8608 9684 10048 11304 12912 15072 17216 19368 20096 22608 25824 30144 34432 38736 42233 45216 51648 60288 72361 77472 84466 90432 103296 126699 144722 154944 168932 180864 217083 253398 289444 309888 337864 380097 434166 506796 578888 651249 675728 760194 868332 1013592 1157776 1302498 1351456 1520388 1736664 2027184 2315552 2604996 2702912 3040776 3473328 4054368 4631104 5209992 5405824 6081552 6946656 8108736 9262208 10419984 11360677 12163104 13893312 16217472 20839968 22721354 24326208 27786624 34082031 41679936 45442708 48652416 68164062 83359872 90885416 102246093 136328124 181770832 204492186 272656248 363541664 408984372 545312496 727083328 817968744 1090624992 1454166656 1635937488 2181249984 3271874976 4362499968 6543749952 13087499904
• Sum of all divisors σ(n): 38041938870
• Sum of proper divisors (its aliquot sum) s(n): 24954438966
• 13087499904 is an abundant number, because the sum of its proper divisors (24954438966) is greater than itself. Its abundance is 11866939062

Bases of 13087499904

• Binary: 1100001100000100110110011010000000₂
• Hexadecimal: 0x30C136680
• Base-36: 60FYJK0

Squares and roots of 13087499904

• 13087499904 squared (13087499904²) is 171282653737200009216
• 13087499904 cubed (13087499904³) is 2241661714342470361843199115264
• The square root of 13087499904 is 114400.6114668973
• The cube root of 13087499904 is 2356.5983205069

Scales and comparisons

• 13,087,499,904 seconds is equal to 416 years, 7 weeks, 2 days, 16 hours, 38 minutes, 24 seconds.
• To count from 1 to 13,087,499,904 would take you about eight hundred thirty-two 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 13087499904 cubic inches would be around 196.4 feet tall.

Recreational maths with 13087499904

• 13087499904 backwards is 40999478031
• The number of decimal digits it has is: 11
• The sum of 13087499904's digits is 54
• More coming soon!