21072299040

Names of 21072299040

• Cardinal: 21072299040 can be written as Twenty-one billion, seventy-two million, two hundred ninety-nine thousand and forty.

Scientific notation

• Scientific notation: 2.107229904 × 10¹⁰

Factors of 21072299040

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 1092

Divisors of 21072299040

• Number of divisors d(n): 504
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 13 15 16 18 20 24 26 27 30 32 36 39 40 45 48 52 54 60 65 72 78 80 81 90 96 104 108 117 120 130 135 144 156 160 162 169 180 195 208 216 234 240 243 260 270 288 312 324 338 351 360 390 405 416 432 468 480 486 507 520 540 585 624 648 676 702 720 729 780 810 845 864 936 972 1014 1040 1053 1069 1080 1170 1215 1248 1296 1352 1404 1440 1458 1521 1560 1620 1690 1755 1872 1944 2028 2080 2106 2138 2160 2340 2430 2535 2592 2704 2808 2916 3042 3120 3159 3207 3240 3380 3510 3645 3744 3888 4056 4212 4276 4320 4563 4680 4860 5070 5265 5345 5408 5616 5832 6084 6240 6318 6414 6480 6760 7020 7290 7605 7776 8112 8424 8552 9126 9360 9477 9621 9720 10140 10530 10690 11232 11664 12168 12636 12828 12960 13520 13689 13897 14040 14580 15210 15795 16035 16224 16848 17104 18252 18720 18954 19242 19440 20280 21060 21380 22815 23328 24336 25272 25656 27040 27378 27794 28080 28863 29160 30420 31590 32070 33696 34208 36504 37908 38484 38880 40560 41067 41691 42120 42760 45630 47385 48105 48672 50544 51312 54756 55588 56160 57726 58320 60840 63180 64140 68445 69485 73008 75816 76968 81120 82134 83382 84240 85520 86589 91260 94770 96210 101088 102624 109512 111176 115452 116640 121680 123201 125073 126360 128280 136890 138970 144315 146016 151632 153936 164268 166764 168480 171040 173178 180661 182520 189540 192420 205335 208455 219024 222352 230904 243360 246402 250146 252720 256560 259767 273780 277940 288630 303264 307872 328536 333528 346356 361322 365040 375219 379080 384840 410670 416910 432945 438048 444704 461808 492804 500292 505440 513120 519534 541983 547560 555880 577260 616005 625365 657072 667056 692712 722644 730080 750438 758160 769680 779301 821340 833820 865890 903305 923616 985608 1000584 1039068 1083966 1095120 1111760 1125657 1154520 1232010 1250730 1298835 1314144 1334112 1385424 1445288 1500876 1516320 1539360 1558602 1625949 1642680 1667640 1731780 1806610 1876095 1971216 2001168 2078136 2167932 2190240 2223520 2251314 2309040 2464020 2501460 2597670 2709915 2770848 2890576 3001752 3117204 3251898 3285360 3335280 3376971 3463560 3613220 3752190 3896505 3942432 4002336 4156272 4335864 4502628 4618080 4877847 4928040 5002920 5195340 5419830 5628285 5781152 6003504 6234408 6503796 6570720 6670560 6753942 6927120 7226440 7504380 7793010 8129745 8312544 8671728 9005256 9755694 9856080 10005840 10130913 10390680 10839660 11256570 12007008 12468816 13007592 13507884 13854240 14452880 14633541 15008760 15586020 16259490 16884855 17343456 18010512 19511388 19712160 20011680 20261826 20781360 21679320 22513140 24389235 24937632 26015184 27015768 28905760 29267082 30017520 31172040 32518980 33769710 36021024 39022776 40523652 41562720 43358640 43900623 45026280 48778470 50654565 52030368 54031536 58534164 60035040 62344080 65037960 67539420 73167705 78045552 81047304 86717280 87801246 90052560 97556940 101309130 108063072 117068328 124688160 130075920 131701869 135078840 146335410 156091104 162094608 175602492 180105120 195113880 202618260 219503115 234136656 260151840 263403738 270157680 292670820 324189216 351204984 390227760 405236520 439006230 468273312 526807476 540315360 585341640 658509345 702409968 780455520 810473040 878012460 1053614952 1170683280 1317018690 1404819936 1620946080 1756024920 2107229904 2341366560 2634037380 3512049840 4214459808 5268074760 7024099680 10536149520 21072299040
• Sum of all divisors σ(n): 80899684740
• Sum of proper divisors (its aliquot sum) s(n): 59827385700
• 21072299040 is an abundant number, because the sum of its proper divisors (59827385700) is greater than itself. Its abundance is 38755086660

Bases of 21072299040

• Binary: 10011101000000000011100010000100000₂
• Hexadecimal: 0x4E801C420
• Base-36: 9OHWI00

Squares and roots of 21072299040

• 21072299040 squared (21072299040²) is 444041786831184921600
• 21072299040 cubed (21072299040³) is 9356981318362662665494155264000
• The square root of 21072299040 is 145163.0085111217
• The cube root of 21072299040 is 2762.0867017219

Scales and comparisons

• 21,072,299,040 seconds is equal to 670 years, 1 week, 5 days, 8 hours, 24 minutes.
• To count from 1 to 21,072,299,040 would take you about one thousand, three hundred forty 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 21072299040 cubic inches would be around 230.2 feet tall.

Recreational maths with 21072299040

• 21072299040 backwards is 04099227012
• 21072299040 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21072299040's digits is 36
• More coming soon!