21309490269375

Names of 21309490269375

• Cardinal: 21309490269375 can be written as Twenty-one trillion, three hundred nine billion, four hundred ninety million, two hundred sixty-nine thousand, three hundred seventy-five.

Scientific notation

• Scientific notation: 2.1309490269375 × 10¹³

Factors of 21309490269375

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 12175

Divisors of 21309490269375

• Number of divisors d(n): 120
• Complete list of divisors:
  1 3 5 7 11 15 21 25 33 35 55 75 77 105 125 165 175 231 275 375 385 525 625 825 875 1155 1375 1875 1925 2625 4125 4375 5775 6875 9625 12149 13125 20625 28875 36447 48125 60745 85043 133639 144375 182235 255129 303725 400917 425215 668195 911175 935473 1275645 1518625 2004585 2126075 2806419 3340975 4555875 4677365 6378225 7593125 10022925 10630375 14032095 16704875 22779375 23386825 31891125 50114625 53151875 70160475 83524375 116934125 147598201 159455625 250573125 350802375 442794603 584670625 737991005 1033187407 1623580211 1754011875 2213973015 3099562221 3689955025 4870740633 5165937035 8117901055 11069865075 11365061477 15497811105 18449775125 24353703165 25829685175 34095184431 40589505275 55349325375 56825307385 77489055525 92248875625 121768515825 129148425875 170475922155 202947526375 276746626875 284126536925 387445277625 608842579125 645742129375 852379610775 1014737631875 1420632684625 1937226388125 3044212895625 4261898053875 7103163423125 21309490269375
• Sum of all divisors σ(n): 44268934706304
• Sum of proper divisors (its aliquot sum) s(n): 22959444436929
• 21309490269375 is an abundant number, because the sum of its proper divisors (22959444436929) is greater than itself. Its abundance is 1649954167554

Bases of 21309490269375

• Binary: 100110110000110000000100110010000110010111111₂
• Hexadecimal: 0x136180990CBF
• Base-36: 7JXG0B7WF

Squares and roots of 21309490269375

• 21309490269375 squared (21309490269375²) is 454094375540587810062890625
• 21309490269375 cubed (21309490269375³) is 9676519676960072943902908480222412109375
• The square root of 21309490269375 is 4616220.3445432499
• The cube root of 21309490269375 is 27724.1147115593

Scales and comparisons

• 21,309,490,269,375 seconds is equal to 677,575 years, 45 weeks, 3 days, 20 hours, 36 minutes, 15 seconds.
• To count from 1 to 21,309,490,269,375 would take you about one million, six hundred ninety-three thousand, nine hundred thirty-nine 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 21309490269375 cubic inches would be around 2310.3 feet tall.

Recreational maths with 21309490269375

• 21309490269375 backwards is 57396209490312
• The number of decimal digits it has is: 14
• The sum of 21309490269375's digits is 60
• More coming soon!