21071478375424

Names of 21071478375424

• Cardinal: 21071478375424 can be written as Twenty-one trillion, seventy-one billion, four hundred seventy-eight million, three hundred seventy-five thousand, four hundred twenty-four.

Scientific notation

• Scientific notation: 2.1071478375424 × 10¹³

Factors of 21071478375424

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 3916

Divisors of 21071478375424

• Number of divisors d(n): 99
• Complete list of divisors:
  1 2 4 8 16 32 37 64 74 128 148 256 296 512 592 1024 1184 1369 2368 2738 3877 4736 5476 7754 9472 10952 15508 18944 21904 31016 37888 43808 62032 87616 124064 143449 175232 248128 286898 350464 496256 573796 700928 992512 1147592 1401856 1985024 2295184 3970048 4590368 5307613 9180736 10615226 15031129 18361472 21230452 30062258 36722944 42460904 60124516 73445888 84921808 120249032 146891776 169843616 240498064 339687232 480996128 556151773 679374464 961992256 1112303546 1358748928 1923984512 2224607092 2717497856 3847969024 4449214184 5434995712 7695938048 8898428368 15391876096 17796856736 20577615601 35593713472 41155231202 71187426944 82310462404 142374853888 164620924808 284749707776 329241849616 569499415552 658483699232 1316967398464 2633934796928 5267869593856 10535739187712 21071478375424
• Sum of all divisors σ(n): 43302759675903
• Sum of proper divisors (its aliquot sum) s(n): 22231281300479
• 21071478375424 is an abundant number, because the sum of its proper divisors (22231281300479) is greater than itself. Its abundance is 1159802925055

Bases of 21071478375424

• Binary: 100110010101000010101111110111100010000000000₂
• Hexadecimal: 0x132A15FBC400
• Base-36: 7GW3Q6B5S

Squares and roots of 21071478375424

• 21071478375424 squared (21071478375424²) is 444007200925961254287179776
• 21071478375424 cubed (21071478375424³) is 9355888132843931598992792261539108225024
• 21071478375424 is a perfect square number. Its square root is 4590368
• The cube root of 21071478375424 is 27620.5084459759

Scales and comparisons

• 21,071,478,375,424 seconds is equal to 670,007 years, 43 weeks, 2 days, 13 hours, 37 minutes, 4 seconds.
• To count from 1 to 21,071,478,375,424 would take you about one million, six hundred seventy-five thousand and nineteen 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 21071478375424 cubic inches would be around 2301.7 feet tall.

Recreational maths with 21071478375424

• 21071478375424 backwards is 42457387417012
• The number of decimal digits it has is: 14
• The sum of 21071478375424's digits is 55
• More coming soon!