129815490816

Names of 129815490816

• Cardinal: 129815490816 can be written as One hundred twenty-nine billion, eight hundred fifteen million, four hundred ninety thousand, eight hundred sixteen.

Scientific notation

• Scientific notation: 1.29815490816 × 10¹¹

Factors of 129815490816

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 465665

Divisors of 129815490816

• Number of divisors d(n): 162
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 16 18 22 24 32 33 36 44 48 64 66 72 88 96 99 121 128 132 144 176 192 198 242 256 264 288 352 363 384 396 484 528 576 704 726 768 792 968 1056 1089 1152 1408 1452 1584 1936 2112 2178 2304 2816 2904 3168 3872 4224 4356 5808 6336 7744 8448 8712 11616 12672 15488 17424 23232 25344 30976 34848 46464 69696 92928 139392 278784 465649 931298 1396947 1862596 2793894 3725192 4190841 5122139 5587788 7450384 8381682 10244278 11175576 14900768 15366417 16763364 20488556 22351152 29801536 30732834 33526728 40977112 44702304 46099251 56343529 59603072 61465668 67053456 81954224 89404608 92198502 112687058 119206144 122931336 134106912 163908448 169030587 178809216 184397004 225374116 245862672 268213824 327816896 338061174 357618432 368794008 450748232 491725344 507091761 536427648 655633792 676122348 737588016 901496464 983450688 1014183522 1072855296 1311267584 1352244696 1475176032 1802992928 1966901376 2028367044 2704489392 2950352064 3605985856 3933802752 4056734088 5408978784 5900704128 7211971712 8113468176 10817957568 11801408256 14423943424 16226936352 21635915136 32453872704 43271830272 64907745408 129815490816
• Sum of all divisors σ(n): 411410622350
• Sum of proper divisors (its aliquot sum) s(n): 281595131534
• 129815490816 is an abundant number, because the sum of its proper divisors (281595131534) is greater than itself. Its abundance is 151779640718

Bases of 129815490816

• Binary: 1111000111001100110110011000100000000₂
• Hexadecimal: 0x1E399B3100
• Base-36: 1NMWSHS0

Squares and roots of 129815490816

• 129815490816 squared (129815490816²) is 16852061655798980345856
• 129815490816 cubed (129815490816³) is 2187658655109038286229634071658496
• The square root of 129815490816 is 360299.1684919631
• The cube root of 129815490816 is 5063.3992533991

Scales and comparisons

• 129,815,490,816 seconds is equal to 4,127 years, 38 weeks, 2 hours, 33 minutes, 36 seconds.
• To count from 1 to 129,815,490,816 would take you about eight thousand, two hundred fifty-five 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 129815490816 cubic inches would be around 421.9 feet tall.

Recreational maths with 129815490816

• 129815490816 backwards is 618094518921
• The number of decimal digits it has is: 12
• The sum of 129815490816's digits is 54
• More coming soon!