12809951250138

Names of 12809951250138

• Cardinal: 12809951250138 can be written as Twelve trillion, eight hundred nine billion, nine hundred fifty-one million, two hundred fifty thousand, one hundred thirty-eight.

Scientific notation

• Scientific notation: 1.2809951250138 × 10¹³

Factors of 12809951250138

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 61375

Divisors of 12809951250138

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 6 7 9 14 18 21 27 42 54 63 81 126 162 189 243 378 486 567 1134 1701 3402 61363 122726 184089 368178 429541 552267 859082 1104534 1288623 1656801 2577246 3313602 3865869 4970403 7731738 9940806 11597607 14911209 23195214 29822418 34792821 69585642 104378463 208756926 3765417769 7530835538 11296253307 22592506614 26357924383 33888759921 52715848766 67777519842 79073773149 101666279763 158147546298 203332559526 237221319447 304998839289 474442638894 609997678578 711663958341 914996517867 1423327916682 1829993035734 2134991875023 4269983750046 6404975625069 12809951250138
• Sum of all divisors σ(n): 32895225705888
• Sum of proper divisors (its aliquot sum) s(n): 20085274455750
• 12809951250138 is an abundant number, because the sum of its proper divisors (20085274455750) is greater than itself. Its abundance is 7275323205612

Bases of 12809951250138

• Binary: 10111010011010001100100110000000011011011010₂
• Hexadecimal: 0xBA68C9806DA
• Base-36: 4JGT68BMI

Squares and roots of 12809951250138

• 12809951250138 squared (12809951250138²) is 164094851030912109045019044
• 12809951250138 cubed (12809951250138³) is 2102047042104641449343643880009817628072
• The square root of 12809951250138 is 3579099.2232876137
• The cube root of 12809951250138 is 23398.2023420795

Scales and comparisons

• 12,809,951,250,138 seconds is equal to 407,316 years, 42 weeks, 6 days, 15 hours, 42 minutes, 18 seconds.
• To count from 1 to 12,809,951,250,138 would take you about one million, eighteen thousand, two hundred ninety-two 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 12809951250138 cubic inches would be around 1949.9 feet tall.

Recreational maths with 12809951250138

• 12809951250138 backwards is 83105215990821
• 12809951250138 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 12809951250138's digits is 54
• More coming soon!