21291282792801

Names of 21291282792801

• Cardinal: 21291282792801 can be written as Twenty-one trillion, two hundred ninety-one billion, two hundred eighty-two million, seven hundred ninety-two thousand, eight hundred one.

Scientific notation

• Scientific notation: 2.1291282792801 × 10¹³

Factors of 21291282792801

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 6086

Divisors of 21291282792801

• Number of divisors d(n): 192
• Complete list of divisors:
  1 3 7 9 21 27 29 63 81 87 163 189 203 243 261 489 491 567 609 783 1141 1467 1473 1701 1827 2349 3423 3437 4401 4419 4727 5393 5481 7047 10269 10311 13203 13257 14181 14239 16179 16443 30807 30933 33089 37751 39609 39771 42543 42717 48537 49329 80033 92421 92799 99267 99673 113253 119313 127629 128151 145611 156397 240099 277263 278397 297801 299019 339759 382887 384453 436833 469191 560231 720297 835191 879059 893403 897057 1019277 1094779 1148661 1153359 1310499 1407573 1680693 2160891 2320957 2637177 2647963 2680209 2691171 3057831 3284337 3460077 4222719 5042079 6153413 6482673 6962871 7911531 7943889 8040627 8073513 9173493 9853011 12668157 15126237 16246699 18460239 18535741 19448019 20888613 23734593 23831667 24220539 25492711 29559033 38004471 45378711 48740097 55380717 55607223 62665839 71203779 71495001 76478133 76790927 88677099 136136133 146220291 166142151 166821669 178448977 187997517 213611337 214485003 229434399 230372781 266031297 431617969 438660873 498426453 500465007 535346931 537536489 563992551 643455009 688303197 691118343 1294853907 1315982619 1495279359 1501395021 1606040793 1612609467 2064909591 2073355029 3021325783 3884561721 3947947857 4504185063 4818122379 4837828401 6194728773 6220065087 9063977349 11653685163 12516921101 14454367137 14513485203 18660195261 27191932047 34961055489 37550763303 43363101411 43540455609 81575796141 87618447707 104883166467 112652289909 130621366827 244727388423 262855343121 337956869727 734182165269 788566029363 1013870609181 2365698088089 3041611827543 7097094264267 21291282792801
• Sum of all divisors σ(n): 38021786449920
• Sum of proper divisors (its aliquot sum) s(n): 16730503657119
• 21291282792801 is a deficient number, because the sum of its proper divisors (16730503657119) is less than itself. Its deficiency is 4560779135682

Bases of 21291282792801

• Binary: 100110101110101000011010110010000000101100001₂
• Hexadecimal: 0x135D43590161
• Base-36: 7JP2W1T29

Squares and roots of 21291282792801

• 21291282792801 squared (21291282792801²) is 453318722963023950297425601
• 21291282792801 cubed (21291282792801³) is 9651737125877155382344823164659795898401
• The square root of 21291282792801 is 4614247.8035754647
• The cube root of 21291282792801 is 27716.2163526705

Scales and comparisons

• 21,291,282,792,801 seconds is equal to 676,996 years, 48 weeks, 4 days, 4 hours, 13 minutes, 21 seconds.
• To count from 1 to 21,291,282,792,801 would take you about one million, six hundred ninety-two thousand, four hundred ninety-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 21291282792801 cubic inches would be around 2309.7 feet tall.

Recreational maths with 21291282792801

• 21291282792801 backwards is 10829728219212
• The number of decimal digits it has is: 14
• The sum of 21291282792801's digits is 54
• More coming soon!