129397247712

Names of 129397247712

• Cardinal: 129397247712 can be written as One hundred twenty-nine billion, three hundred ninety-seven million, two hundred forty-seven thousand, seven hundred twelve.

Scientific notation

• Scientific notation: 1.29397247712 × 10¹¹

Factors of 129397247712

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 99

Divisors of 129397247712

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 32 36 41 48 53 54 72 82 96 106 108 123 144 159 164 212 216 246 288 318 328 369 424 432 477 492 636 656 738 848 864 954 984 1107 1272 1312 1431 1476 1681 1696 1908 1968 2173 2214 2544 2862 2952 3362 3816 3936 4346 4428 5043 5088 5724 5904 6519 6724 7632 8692 8856 10086 11448 11808 13038 13448 15129 15264 17384 17712 19557 20172 22896 26076 26896 30258 34768 35424 39114 40344 45387 45792 52152 53792 58671 60516 68921 69536 78228 80688 89093 90774 104304 117342 121032 137842 156456 161376 178186 181548 206763 208608 234684 242064 267279 275684 312912 356372 363096 413526 469368 484128 534558 551368 620289 625824 712744 726192 801837 827052 938736 1069116 1102736 1240578 1425488 1452384 1603674 1654104 1860867 1877472 2138232 2205472 2405511 2481156 2825761 2850976 3207348 3308208 3652813 3721734 4276464 4811022 4962312 5651522 6414696 6616416 7305626 7443468 8477283 8552928 9622044 9924624 10958439 11303044 12829392 14611252 14886936 16954566 19244088 19849248 21916878 22606088 25431849 25658784 29222504 29773872 32875317 33909132 38488176 43833756 45212176 50863698 58445008 59547744 65750634 67818264 76295547 76976352 87667512 90424352 98625951 101727396 116890016 131501268 135636528 149765333 152591094 175335024 197251902 203454792 263002536 271273056 299530666 305182188 350670048 394503804 406909584 449295999 526005072 599061332 610364376 789007608 813819168 898591998 1052010144 1198122664 1220728752 1347887997 1578015216 1797183996 2396245328 2441457504 2695775994 3156030432 3594367992 4043663991 4792490656 5391551988 7188735984 8087327982 10783103976 14377471968 16174655964 21566207952 32349311928 43132415904 64698623856 129397247712
• Sum of all divisors σ(n): 394142792400
• Sum of proper divisors (its aliquot sum) s(n): 264745544688
• 129397247712 is an abundant number, because the sum of its proper divisors (264745544688) is greater than itself. Its abundance is 135348296976

Bases of 129397247712

• Binary: 1111000100000101011010100111011100000₂
• Hexadecimal: 0x1E20AD4EE0
• Base-36: 1NFZS3C0

Squares and roots of 129397247712

• 129397247712 squared (129397247712²) is 16743647715440689234944
• 129397247712 cubed (129397247712³) is 2166581931037341752178060534448128
• The square root of 129397247712 is 359718.2893765621
• The cube root of 129397247712 is 5057.9556035723

Scales and comparisons

• 129,397,247,712 seconds is equal to 4,114 years, 22 weeks, 3 days, 7 hours, 55 minutes, 12 seconds.
• To count from 1 to 129,397,247,712 would take you about eight thousand, two hundred twenty-eight 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 129397247712 cubic inches would be around 421.5 feet tall.

Recreational maths with 129397247712

• 129397247712 backwards is 217742793921
• 129397247712 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 129397247712's digits is 54
• More coming soon!