21257077801472

Names of 21257077801472

• Cardinal: 21257077801472 can be written as Twenty-one trillion, two hundred fifty-seven billion, seventy-seven million, eight hundred one thousand, four hundred seventy-two.

Scientific notation

• Scientific notation: 2.1257077801472 × 10¹³

Factors of 21257077801472

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 5546

Divisors of 21257077801472

• Number of divisors d(n): 90
• Complete list of divisors:
  1 2 4 8 16 32 37 64 74 128 148 256 296 512 592 1184 1369 2368 2738 4736 5476 5507 9472 10952 11014 18944 21904 22028 43808 44056 87616 88112 175232 176224 203759 350464 352448 407518 700928 704896 815036 1409792 1630072 2819584 3260144 6520288 7539083 13040576 15078166 26081152 30156332 30327049 52162304 60312664 60654098 104324608 120625328 121308196 241250656 242616392 482501312 485232784 965002624 970465568 1122100813 1930005248 1940931136 2244201626 3860010496 3881862272 4488403252 7763724544 8976806504 15527449088 17953613008 35907226016 41517730081 71814452032 83035460162 143628904064 166070920324 287257808128 332141840648 574515616256 664283681296 1328567362592 2657134725184 5314269450368 10628538900736 21257077801472
• Sum of all divisors σ(n): 43659499576077
• Sum of proper divisors (its aliquot sum) s(n): 22402421774605
• 21257077801472 is an abundant number, because the sum of its proper divisors (22402421774605) is greater than itself. Its abundance is 1145343973133

Bases of 21257077801472

• Binary: 100110101010101001100100100100100001000000000₂
• Hexadecimal: 0x13554C924200
• Base-36: 7J9D7A4U8

Squares and roots of 21257077801472

• 21257077801472 squared (21257077801472²) is 451863356657833677045366784
• 21257077801472 cubed (21257077801472³) is 9605294528109861313413767029634575106048
• The square root of 21257077801472 is 4610539.8600892715
• The cube root of 21257077801472 is 27701.3661268359

Scales and comparisons

• 21,257,077,801,472 seconds is equal to 675,909 years, 16 weeks, 5 days, 1 hour, 44 minutes, 32 seconds.
• To count from 1 to 21,257,077,801,472 would take you about one million, six hundred eighty-nine thousand, seven hundred seventy-three 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 21257077801472 cubic inches would be around 2308.4 feet tall.

Recreational maths with 21257077801472

• 21257077801472 backwards is 27410877075212
• The number of decimal digits it has is: 14
• The sum of 21257077801472's digits is 53
• More coming soon!