21324176784

Names of 21324176784

• Cardinal: 21324176784 can be written as Twenty-one billion, three hundred twenty-four million, one hundred seventy-six thousand, seven hundred eighty-four.

Scientific notation

• Scientific notation: 2.1324176784 × 10¹⁰

Factors of 21324176784

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 331

Divisors of 21324176784

• Number of divisors d(n): 135
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 36 43 48 72 86 129 144 172 258 283 344 387 516 566 688 774 849 1032 1132 1548 1698 1849 2064 2264 2547 3096 3396 3698 4528 5094 5547 6192 6792 7396 10188 11094 12169 13584 14792 16641 20376 22188 24338 29584 33282 36507 40752 44376 48676 66564 73014 80089 88752 97352 109521 133128 146028 160178 194704 219042 240267 266256 292056 320356 438084 480534 523267 584112 640712 720801 876168 961068 1046534 1281424 1441602 1569801 1752336 1922136 2093068 2883204 3139602 3443827 3844272 4186136 4709403 5766408 6279204 6887654 8372272 9418806 10331481 11532816 12558408 13775308 18837612 20662962 25116816 27550616 30994443 37675224 41325924 55101232 61988886 75350448 82651848 123977772 148084561 165303696 247955544 296169122 444253683 495911088 592338244 888507366 1184676488 1332761049 1777014732 2369352976 2665522098 3554029464 5331044196 7108058928 10662088392 21324176784
• Sum of all divisors σ(n): 61314873867
• Sum of proper divisors (its aliquot sum) s(n): 39990697083
• 21324176784 is an abundant number, because the sum of its proper divisors (39990697083) is greater than itself. Its abundance is 18666520299

Bases of 21324176784

• Binary: 10011110111000001010001110110010000₂
• Hexadecimal: 0x4F7051D90
• Base-36: 9SNV440

Squares and roots of 21324176784

• 21324176784 squared (21324176784²) is 454720515515284582656
• 21324176784 cubed (21324176784³) is 9696540660159543294626204258304
• 21324176784 is a perfect square number. Its square root is 146028
• The cube root of 21324176784 is 2773.0482408239

Scales and comparisons

• 21,324,176,784 seconds is equal to 678 years, 2 weeks, 1 day, 14 hours, 26 minutes, 24 seconds.
• To count from 1 to 21,324,176,784 would take you about one thousand, three hundred fifty-six 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 21324176784 cubic inches would be around 231.1 feet tall.

Recreational maths with 21324176784

• 21324176784 backwards is 48767142312
• The number of decimal digits it has is: 11
• The sum of 21324176784's digits is 45
• More coming soon!