21291120899776

Names of 21291120899776

• Cardinal: 21291120899776 can be written as Twenty-one trillion, two hundred ninety-one billion, one hundred twenty million, eight hundred ninety-nine thousand, seven hundred seventy-six.

Scientific notation

• Scientific notation: 2.1291120899776 × 10¹³

Factors of 21291120899776

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 121722

Divisors of 21291120899776

• Number of divisors d(n): 252
• Complete list of divisors:
  1 2 4 7 8 13 14 16 26 28 32 49 52 56 64 91 98 104 112 169 182 196 208 224 331 338 364 392 416 448 637 662 676 728 784 832 1183 1274 1324 1352 1456 1568 2317 2366 2548 2648 2704 2912 3136 4303 4634 4732 5096 5296 5408 5824 8281 8606 9268 9464 10192 10592 10816 16219 16562 17212 18536 18928 20384 21184 30121 32438 33124 34424 37072 37856 40768 55939 60242 64876 66248 68848 74144 75712 111878 120484 121369 129752 132496 137696 148288 210847 223756 240968 242738 259504 264992 275392 391573 421694 447512 481936 485476 519008 529984 783146 843388 849583 895024 963872 970952 1038016 1566292 1577797 1686776 1699166 1790048 1927744 1941904 2741011 3132584 3155594 3373552 3398332 3580096 3883808 5482022 5947081 6265168 6311188 6747104 6796664 7767616 10964044 11044579 11894162 12530336 12622376 13494208 13593328 20511361 21928088 22089158 23788324 25060672 25244752 27186656 40173139 41022722 43856176 44178316 47576648 50489504 54373312 77312053 80346278 82045444 87712352 88356632 95153296 100979008 143579527 154624106 160692556 164090888 175424704 176713264 190306592 281211973 287159054 309248212 321385112 328181776 353426528 380613184 522250807 562423946 574318108 618496424 642770224 656363552 706853056 1005056689 1044501614 1124847892 1148636216 1236992848 1285540448 1312727104 1968483811 2010113378 2089003228 2249695784 2297272432 2473985696 2571080896 3655755649 3936967622 4020226756 4178006456 4499391568 4594544864 4947971392 6789260491 7311511298 7873935244 8040453512 8356012912 8998783136 9189089728 13578520982 14623022596 15747870488 16080907024 16712025824 17997566272 25590289543 27157041964 29246045192 31495740976 32161814048 33424051648 47524823437 51180579086 54314083928 58492090384 62991481952 64323628096 95049646874 102361158172 108628167856 116984180768 125982963904 190099293748 204722316344 217256335712 233968361536 332673764059 380198587496 409444632688 434512671424 665347528118 760397174992 818889265376 1330695056236 1520794349984 1637778530752 2661390112472 3041588699968 5322780224944 10645560449888 21291120899776
• Sum of all divisors σ(n): 53380065457080
• Sum of proper divisors (its aliquot sum) s(n): 32088944557304
• 21291120899776 is an abundant number, because the sum of its proper divisors (32088944557304) is greater than itself. Its abundance is 10797823657528

Bases of 21291120899776

• Binary: 100110101110100111001101100101011011011000000₂
• Hexadecimal: 0x135D39B2B6C0
• Base-36: 7JP07NVLS

Squares and roots of 21291120899776

• 21291120899776 squared (21291120899776²) is 453311829168878387836850176
• 21291120899776 cubed (21291120899776³) is 9651516960133194423097637813526823960576
• The square root of 21291120899776 is 4614230.2608101387
• The cube root of 21291120899776 is 27716.1461036783

Scales and comparisons

• 21,291,120,899,776 seconds is equal to 676,991 years, 40 weeks, 6 days, 9 hours, 56 minutes, 16 seconds.
• To count from 1 to 21,291,120,899,776 would take you about one million, six hundred ninety-two thousand, four hundred seventy-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 21291120899776 cubic inches would be around 2309.7 feet tall.

Recreational maths with 21291120899776

• 21291120899776 backwards is 67799802119212
• 21291120899776 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21291120899776's digits is 64
• More coming soon!