21162988449018

Names of 21162988449018

• Cardinal: 21162988449018 can be written as Twenty-one trillion, one hundred sixty-two billion, nine hundred eighty-eight million, four hundred forty-nine thousand and eighteen.

Scientific notation

• Scientific notation: 2.1162988449018 × 10¹³

Factors of 21162988449018

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 124

Divisors of 21162988449018

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 6 9 13 18 23 26 39 46 69 78 83 117 138 166 169 207 234 249 299 338 414 498 507 529 598 747 897 1014 1058 1079 1494 1521 1587 1794 1909 2158 2691 3042 3174 3237 3818 3887 4761 5382 5727 6474 6877 6889 7774 9522 9711 11454 11661 12167 13754 13778 14027 17181 19422 20631 20667 23322 24334 24817 28054 34362 34983 36501 41262 41334 42081 43907 49634 61893 62001 69966 73002 74451 84162 87814 89401 89557 109503 123786 124002 126243 131721 148902 158171 158447 178802 179114 219006 223353 252486 263442 268203 268671 316342 316894 322621 395163 446706 474513 475341 536406 537342 570791 571787 645242 790326 804609 806013 949026 950682 967863 1009861 1141582 1143574 1164241 1423539 1426023 1609218 1612026 1712373 1715361 1935726 2019722 2056223 2059811 2328482 2847078 2852046 2903589 3029583 3424746 3430722 3492723 3644281 4112446 4119622 5137119 5146083 5807178 6059166 6168669 6179433 6985446 7288562 7420283 7433231 9088749 10274238 10292166 10478169 10932843 12337338 12358866 13128193 13151101 14840566 14866462 18177498 18506007 18538299 20956338 21865686 22260849 22299693 26256386 26302202 26777543 32798529 37012014 37076598 39384579 39453303 44521698 44599386 47375653 53555086 65597058 66782547 66899079 78769158 78906606 80332629 83818463 94751306 96632003 118153737 118359909 133565094 133798158 142126959 160665258 167636926 170666509 170964313 193264006 236307474 236719818 240997887 251455389 284253918 289896009 302475323 341333018 341928626 426380877 481995774 502910778 511999527 512892939 579792018 604950646 615883489 754366167 852761754 869688027 907425969 1023999054 1025785878 1089640019 1231766978 1508732334 1535998581 1538678817 1739376054 1814851938 1847650467 2179280038 2222536069 2722277907 3071997162 3077357634 3268920057 3695300934 3932179199 4445072138 5444555814 5542951401 6537840114 6667608207 6956932429 7864358398 9806760171 11085902802 11796537597 13335216414 13913864858 14165320247 19613520342 20002824621 20870797287 23593075194 28330640494 35389612791 40005649242 41741594574 42495960741 51118329587 62612391861 70779225582 84991921482 90440121577 102236659174 125224783722 127487882223 153354988761 180880243154 254975764446 271320364731 306709977522 460064966283 542640729462 813961094193 920129932566 1175721580501 1627922188386 2351443161002 3527164741503 7054329483006 10581494224509 21162988449018
• Sum of all divisors σ(n): 52541360726400
• Sum of proper divisors (its aliquot sum) s(n): 31378372277382
• 21162988449018 is an abundant number, because the sum of its proper divisors (31378372277382) is greater than itself. Its abundance is 10215383828364

Bases of 21162988449018

• Binary: 100110011111101100100011010001010110011111010₂
• Hexadecimal: 0x133F6468ACFA
• Base-36: 7I254WRUI

Squares and roots of 21162988449018

• 21162988449018 squared (21162988449018²) is 447872080093269293185164324
• 21162988449018 cubed (21162988449018³) is 9478311657651522591765705854256226433832
• The square root of 21162988449018 is 4600324.8199467393
• The cube root of 21162988449018 is 27660.4345267101

Scales and comparisons

• 21,162,988,449,018 seconds is equal to 672,917 years, 29 weeks, 4 days, 22 hours, 30 minutes, 18 seconds.
• To count from 1 to 21,162,988,449,018 would take you about one million, six hundred eighty-two thousand, two hundred ninety-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 21162988449018 cubic inches would be around 2305 feet tall.

Recreational maths with 21162988449018

• 21162988449018 backwards is 81094488926112
• The number of decimal digits it has is: 14
• The sum of 21162988449018's digits is 63
• More coming soon!