21090072164980

Names of 21090072164980

• Cardinal: 21090072164980 can be written as Twenty-one trillion, ninety billion, seventy-two million, one hundred sixty-four thousand, nine hundred eighty.

Scientific notation

• Scientific notation: 2.109007216498 × 10¹³

Factors of 21090072164980

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 290

Divisors of 21090072164980

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 4 5 7 10 13 14 20 26 28 35 49 52 65 70 91 98 130 140 169 182 196 245 260 263 338 343 364 455 490 526 637 676 686 845 910 980 1052 1183 1274 1315 1372 1690 1715 1820 1841 2366 2548 2630 3185 3380 3419 3430 3682 4459 4732 5260 5915 6370 6838 6860 7364 8281 8918 9205 11830 12740 12887 13676 16562 17095 17836 18410 22295 23660 23933 25774 33124 34190 36820 41405 44447 44590 47866 51548 57967 64435 68380 69169 82810 88894 89180 90209 95732 115934 119665 128870 138338 165620 167531 177788 180418 222235 231868 239330 257740 276676 289835 311129 335062 345845 360836 444470 451045 478660 484183 579670 622258 670124 691690 837655 888940 899197 902090 968366 1159340 1172717 1244516 1383380 1555645 1675310 1798394 1804180 1936732 2177903 2345434 2420915 3111290 3350620 3389281 3596788 4355806 4495985 4690868 4841830 5863585 6222580 6294379 6778562 8711612 8991970 9683660 10889515 11689561 11727170 12588758 13557124 15245321 16946405 17983940 18191447 21779030 23379122 23454340 23724967 25177516 30490642 31471895 33892810 36382894 43558060 44060653 46758244 47449934 58447805 60981284 62943790 67785620 72765788 76226605 81826927 88121306 90957235 94899868 116895610 118624835 125887580 127340129 152453210 163653854 176242612 181914470 220303265 233791220 236488811 237249670 254680258 304906420 308424571 327307708 363828940 409134635 440606530 472977622 474499340 509360516 572788489 616849142 636700645 818269270 881213060 891380903 945955244 1145576978 1182444055 1233698284 1273401290 1542122855 1636538540 1655421677 1782761806 2291153956 2364888110 2546802580 2863942445 3074354543 3084245710 3310843354 3565523612 4009519423 4456904515 4729776220 5727884890 6148709086 6168491420 6239666321 6621686708 8019038846 8277108385 8913809030 11455769780 11587951739 12297418172 12479332642 15371772715 16038077692 16554216770 17827618060 20047597115 21520481801 23175903478 24958665284 30743545430 31198331605 33108433540 40095194230 43040963602 46351806956 57939758695 61487090860 62396663210 80190388460 81115662173 86081927204 107602409005 115879517390 124793326420 150643372607 162231324346 215204818010 231759034780 301286745214 324462648692 405578310865 430409636020 602573490428 753216863035 811156621730 1054503608249 1506433726070 1622313243460 2109007216498 3012867452140 4218014432996 5272518041245 10545036082490 21090072164980
• Sum of all divisors σ(n): 56141249472000
• Sum of proper divisors (its aliquot sum) s(n): 35051177307020
• 21090072164980 is an abundant number, because the sum of its proper divisors (35051177307020) is greater than itself. Its abundance is 13961105142040

Bases of 21090072164980

• Binary: 100110010111001101010010000100111101001110100₂
• Hexadecimal: 0x132E6A427A74
• Base-36: 7H4N8FR04

Squares and roots of 21090072164980

• 21090072164980 squared (21090072164980²) is 444791143924064184338400400
• 21090072164980 cubed (21090072164980³) is 9380677323702519104910245932978097992000
• The square root of 21090072164980 is 4592392.8583016501
• The cube root of 21090072164980 is 27628.6303082349

Scales and comparisons

• 21,090,072,164,980 seconds is equal to 670,599 years, 3 weeks, 11 hours, 9 minutes, 40 seconds.
• To count from 1 to 21,090,072,164,980 would take you about one million, six hundred seventy-six thousand, four hundred ninety-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 21090072164980 cubic inches would be around 2302.4 feet tall.

Recreational maths with 21090072164980

• 21090072164980 backwards is 08946127009012
• 21090072164980 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21090072164980's digits is 49
• More coming soon!