13529291985

Names of 13529291985

• Cardinal: 13529291985 can be written as Thirteen billion, five hundred twenty-nine million, two hundred ninety-one thousand, nine hundred eighty-five.

Scientific notation

• Scientific notation: 1.3529291985 × 10¹⁰

Factors of 13529291985

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 5580

Divisors of 13529291985

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 5 9 11 15 17 33 45 51 55 85 99 153 165 187 255 307 495 561 765 921 935 1535 1683 2763 2805 3377 4605 5219 5237 8415 10131 13815 15657 15711 16885 26095 26185 30393 46971 47133 50655 57409 57607 78285 78555 89029 151965 172227 172821 234855 235665 267087 287045 288035 445145 516681 518463 801261 861135 864105 979319 1335435 1607759 2583405 2592315 2937957 4006305 4823277 4896595 8038795 8813871 14469831 14689785 17685349 24116385 27331903 44069355 53056047 72349155 81995709 88426745 136659515 159168141 245987127 265280235 300650933 409978545 795840705 901952799 1229935635 1503254665 2705858397 4509763995 13529291985
• Sum of all divisors σ(n): 27180945792
• Sum of proper divisors (its aliquot sum) s(n): 13651653807
• 13529291985 is an abundant number, because the sum of its proper divisors (13651653807) is greater than itself. Its abundance is 122361822

Bases of 13529291985

• Binary: 1100100110011010001001110011010001₂
• Hexadecimal: 0x326689CD1
• Base-36: 67QZOI9

Squares and roots of 13529291985

• 13529291985 squared (13529291985²) is 183041741615385240225
• 13529291985 cubed (13529291985³) is 2476425167757472483263392096625
• The square root of 13529291985 is 116315.4847172121
• The cube root of 13529291985 is 2382.8224867707

Scales and comparisons

• 13,529,291,985 seconds is equal to 430 years, 9 weeks, 6 days, 39 minutes, 45 seconds.
• To count from 1 to 13,529,291,985 would take you about eight hundred sixty 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 13529291985 cubic inches would be around 198.6 feet tall.

Recreational maths with 13529291985

• 13529291985 backwards is 58919292531
• The number of decimal digits it has is: 11
• The sum of 13529291985's digits is 54
• More coming soon!