13125870394

Names of 13125870394

• Cardinal: 13125870394 can be written as Thirteen billion, one hundred twenty-five million, eight hundred seventy thousand, three hundred ninety-four.

Scientific notation

• Scientific notation: 1.3125870394 × 10¹⁰

Factors of 13125870394

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 275

Divisors of 13125870394

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 7 13 14 26 31 49 62 71 91 98 142 151 182 217 302 403 434 497 637 806 923 961 994 1057 1274 1519 1846 1922 1963 2114 2201 2821 3038 3479 3926 4402 4681 5642 6461 6727 6958 7399 9362 10721 12493 12922 13454 13741 14798 15407 19747 21442 24986 27482 28613 30814 32767 39494 45227 47089 57226 60853 65534 68231 75047 87451 90454 94178 96187 107849 121706 136462 139373 145111 150094 174902 192374 200291 215698 229369 278746 290222 332351 400582 425971 458738 477617 525329 612157 664702 851942 887003 955234 975611 1015777 1050658 1224314 1402037 1774006 1886443 1951222 2031554 2326457 2804074 2981797 3343319 3772886 4320563 4652914 5963594 6209021 6686638 6829277 7110439 8641126 10302881 12418042 13205101 13658554 14220878 16285199 20605762 26410202 30243941 32570398 43463147 60487882 72120167 86926294 92435707 133937453 144240334 184871414 211707587 267874906 423415174 504841169 937562171 1009682338 1875124342 6562935197 13125870394
• Sum of all divisors σ(n): 26016536448
• Sum of proper divisors (its aliquot sum) s(n): 12890666054
• 13125870394 is a deficient number, because the sum of its proper divisors (12890666054) is less than itself. Its deficiency is 235204340

Bases of 13125870394

• Binary: 1100001110010111001110001100111010₂
• Hexadecimal: 0x30E5CE33A
• Base-36: 612SYEY

Squares and roots of 13125870394

• 13125870394 squared (13125870394²) is 172288473600085715236
• 13125870394 cubed (13125870394³) is 2261436174854815685478527122984
• The square root of 13125870394 is 114568.1910217665
• The cube root of 13125870394 is 2358.8991318951

Scales and comparisons

• 13,125,870,394 seconds is equal to 417 years, 18 weeks, 5 days, 19 hours, 6 minutes, 34 seconds.
• To count from 1 to 13,125,870,394 would take you about eight hundred thirty-four 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 13125870394 cubic inches would be around 196.6 feet tall.

Recreational maths with 13125870394

• 13125870394 backwards is 49307852131
• The number of decimal digits it has is: 11
• The sum of 13125870394's digits is 43
• More coming soon!