12913037478

Names of 12913037478

• Cardinal: 12913037478 can be written as Twelve billion, nine hundred thirteen million, thirty-seven thousand, four hundred seventy-eight.

Scientific notation

• Scientific notation: 1.2913037478 × 10¹⁰

Factors of 12913037478

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 392

Divisors of 12913037478

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 3 6 9 11 18 22 33 59 66 99 118 121 177 198 242 317 354 363 531 634 649 726 951 1062 1089 1298 1902 1947 2178 2853 3487 3894 5706 5841 6974 7139 10461 11682 14278 18703 20922 21417 31383 37406 38357 42834 56109 62766 64251 76714 100489 112218 115071 128502 168327 200978 205733 230142 301467 336654 345213 411466 602934 617199 690426 904401 1105379 1234398 1808802 1851597 2210758 2263063 3316137 3703194 4526126 5928851 6632274 6789189 9948411 11857702 12159169 13578378 17786553 19896822 20367567 24318338 35573106 36477507 40735134 53359659 65217361 72955014 106719318 109432521 130434722 195652083 218865042 391304166 586956249 717390971 1173912498 1434781942 2152172913 4304345826 6456518739 12913037478
• Sum of all divisors σ(n): 31373154540
• Sum of proper divisors (its aliquot sum) s(n): 18460117062
• 12913037478 is an abundant number, because the sum of its proper divisors (18460117062) is greater than itself. Its abundance is 5547079584

Bases of 12913037478

• Binary: 1100000001101011010101000010100110₂
• Hexadecimal: 0x301AD50A6
• Base-36: 5XK37HI

Squares and roots of 12913037478

• 12913037478 squared (12913037478²) is 166746536908232600484
• 12913037478 cubed (12913037478³) is 2153204280422717816791292939352
• The square root of 12913037478 is 113635.5467184455
• The cube root of 12913037478 is 2346.0799276367

Scales and comparisons

• 12,913,037,478 seconds is equal to 410 years, 30 weeks, 6 days, 10 hours, 51 minutes, 18 seconds.
• To count from 1 to 12,913,037,478 would take you about eight hundred twenty-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 12913037478 cubic inches would be around 195.5 feet tall.

Recreational maths with 12913037478

• 12913037478 backwards is 87473031921
• The number of decimal digits it has is: 11
• The sum of 12913037478's digits is 45
• More coming soon!