21090387059908

Names of 21090387059908

• Cardinal: 21090387059908 can be written as Twenty-one trillion, ninety billion, three hundred eighty-seven million, fifty-nine thousand, nine hundred eight.

Scientific notation

• Scientific notation: 2.1090387059908 × 10¹³

Factors of 21090387059908

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 134603

Divisors of 21090387059908

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 17 34 41 68 82 131 164 262 431 524 697 862 1394 1724 2227 2788 4454 5371 7327 8908 10742 14654 17671 21484 29308 35342 56461 70684 91307 112922 133981 182614 225844 267962 300407 365228 535924 600814 959837 1201628 1919674 2277677 2314901 3839348 4555354 4629802 5493221 9110708 9259604 10986442 17551511 21972884 35103022 39353317 57745811 70206044 78706634 93384757 115491622 157413268 186769514 230983244 298375687 373539028 596751374 719611951 981678787 1193502748 1439223902 1963357574 2367578251 2878447804 3926715148 4735156502 7564701241 9470313004 12233403167 15129402482 24466806334 30258804964 40248830267 48933612668 80497660534 128599921097 160995321068 257199842194 310152750881 514399684388 620305501762 1240611003524 5272596764977 10545193529954 21090387059908
• Sum of all divisors σ(n): 40431883193856
• Sum of proper divisors (its aliquot sum) s(n): 19341496133948
• 21090387059908 is a deficient number, because the sum of its proper divisors (19341496133948) is less than itself. Its deficiency is 1748890925960

Bases of 21090387059908

• Binary: 100110010111001111101000001110110010011000100₂
• Hexadecimal: 0x132E7D0764C4
• Base-36: 7H4SFX1HG

Squares and roots of 21090387059908

• 21090387059908 squared (21090387059908²) is 444804426336734812380968464
• 21090387059908 cubed (21090387059908³) is 9381097517402073082468125480674626741312
• The square root of 21090387059908 is 4592427.1425802717
• The cube root of 21090387059908 is 27628.7678148333

Scales and comparisons

• 21,090,387,059,908 seconds is equal to 670,609 years, 3 weeks, 5 days, 1 hour, 58 minutes, 28 seconds.
• To count from 1 to 21,090,387,059,908 would take you about one million, six hundred seventy-six thousand, five hundred twenty-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 21090387059908 cubic inches would be around 2302.4 feet tall.

Recreational maths with 21090387059908

• 21090387059908 backwards is 80995078309012
• The number of decimal digits it has is: 14
• The sum of 21090387059908's digits is 61
• More coming soon!