21072588788979

Names of 21072588788979

• Cardinal: 21072588788979 can be written as Twenty-one trillion, seventy-two billion, five hundred eighty-eight million, seven hundred eighty-eight thousand, nine hundred seventy-nine.

Scientific notation

• Scientific notation: 2.1072588788979 × 10¹³

Factors of 21072588788979

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 111

Divisors of 21072588788979

• Number of divisors d(n): 288
• Complete list of divisors:
  1 3 7 9 13 21 39 41 47 63 91 117 123 141 169 273 287 329 369 423 507 533 611 819 861 987 1183 1521 1599 1681 1833 1927 2197 2209 2583 2961 3549 3731 4277 4797 5043 5499 5781 6591 6627 6929 7943 10647 11193 11767 12831 13489 15129 15379 15463 17343 19773 19881 20787 21853 23829 25051 28717 33579 35301 38493 40467 46137 46389 48503 55601 62361 65559 68921 71487 75153 79007 86151 90077 90569 103259 105903 121401 138411 139167 145509 152971 166803 175357 196677 201019 206763 225459 237021 258453 270231 271707 284089 309777 325663 373321 436527 458913 482447 500409 526071 553049 603057 620289 630539 633983 711063 722813 810693 815121 852267 895973 929331 976989 1027091 1119963 1177397 1376739 1447341 1578213 1659147 1809171 1891617 1901949 1988623 2168439 2279641 2556801 2613247 2687919 2930967 3081273 3239287 3359889 3532191 3693157 3713329 4233619 4342023 4853173 4977441 5674851 5705847 5965869 6271811 6505317 6838923 7189637 7839741 8063757 8241779 9243819 9717861 10596573 11079471 11139987 11647649 12700857 13352183 14559519 15306161 17897607 18815433 20516769 21568911 22675009 23519223 24725337 25852099 25993303 29153583 29635333 33238413 33419961 33972211 34942947 38102571 40056549 42110731 43678557 45918483 48273277 56446299 64706733 68025027 74176011 77556297 77979909 81533543 88905999 93465281 101916633 104828841 107143127 120169647 126332193 137755449 144819831 151419437 152246489 173578379 198980093 204075081 232668891 233939727 244600629 266717997 280395843 294775117 305749899 321429381 337912939 378996579 434459493 454258311 456739467 520735137 547439503 596940279 627552601 733801887 841187529 884325351 964288143 1013738817 1059936059 1065725423 1215048653 1362774933 1370218401 1392860651 1562205411 1642318509 1790820837 1882657803 1979204357 2652976053 3041216451 3179808177 3197176269 3645145959 3832076521 4178581953 4392868207 4926955527 5647973409 5937613071 7116713539 8158183813 9539424531 9591528807 10935437877 11496229563 12535745859 13178604621 13854430499 17812839213 21350140617 24474551439 25729656641 34488688689 39535813863 41563291497 49816994773 57107286691 64050421851 73423654317 77188969923 124689874491 149450984319 171321860073 180107596487 231566909769 334485536333 448352952957 513965580219 540322789461 1003456608999 1620968368383 2341398754331 3010369826997 7024196262993 21072588788979
• Sum of all divisors σ(n): 39465457100160
• Sum of proper divisors (its aliquot sum) s(n): 18392868311181
• 21072588788979 is a deficient number, because the sum of its proper divisors (18392868311181) is less than itself. Its deficiency is 2679720477798

Bases of 21072588788979

• Binary: 100110010101001011000001010110101010011110011₂
• Hexadecimal: 0x132A582B54F3
• Base-36: 7GWM3ABQR

Squares and roots of 21072588788979

• 21072588788979 squared (21072588788979²) is 444053998269403437791862441
• 21072588788979 cubed (21072588788979³) is 9357367305633131150967201917453144837739
• The square root of 21072588788979 is 4590488.9487917299
• The cube root of 21072588788979 is 27620.9936144059

Scales and comparisons

• 21,072,588,788,979 seconds is equal to 670,043 years, 7 weeks, 2 days, 13 hours, 49 minutes, 39 seconds.
• To count from 1 to 21,072,588,788,979 would take you about one million, six hundred seventy-five thousand, one hundred seven 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 21072588788979 cubic inches would be around 2301.7 feet tall.

Recreational maths with 21072588788979

• 21072588788979 backwards is 97988788527012
• The number of decimal digits it has is: 14
• The sum of 21072588788979's digits is 81
• More coming soon!