21125538070

Names of 21125538070

• Cardinal: 21125538070 can be written as Twenty-one billion, one hundred twenty-five million, five hundred thirty-eight thousand and seventy.

Scientific notation

• Scientific notation: 2.112553807 × 10¹⁰

Factors of 21125538070

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 104

Divisors of 21125538070

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 5 7 10 13 14 17 26 29 31 34 35 49 58 62 65 70 85 91 98 119 130 145 155 170 182 203 217 221 238 245 290 310 343 377 403 406 434 442 455 490 493 527 595 637 686 754 806 833 899 910 961 986 1015 1054 1085 1105 1190 1274 1421 1519 1547 1666 1715 1798 1885 1922 2015 2030 2170 2210 2465 2635 2639 2821 2842 3038 3094 3185 3430 3451 3689 3770 4030 4165 4459 4495 4805 4930 5270 5278 5642 5831 6293 6370 6409 6727 6851 6902 7105 7378 7595 7735 8330 8918 8990 9610 9947 10633 10829 11662 11687 12493 12586 12818 13195 13454 13702 14105 14210 15190 15283 15470 16337 17255 18445 18473 19747 19894 21266 21658 22295 23374 24157 24986 25823 26390 27869 28210 29155 30566 31465 32045 32674 33635 34255 34510 36890 36946 39494 44051 44590 44863 47089 47957 48314 49735 51646 53165 54145 55738 58310 58435 62465 62930 64090 67270 68510 75803 76415 81685 81809 87451 88102 89726 92365 94178 95914 98735 99470 106330 106981 108290 114359 116870 120785 124930 129115 129311 138229 139345 151606 152830 163370 163618 169099 174902 180761 184730 195083 197470 198679 212381 213962 220255 224315 228718 235445 239785 241570 258230 258622 276458 278690 308357 314041 329623 335699 338198 361522 362297 379015 390166 397358 409045 424762 437255 440510 448630 470890 473773 479570 534905 571795 572663 612157 616714 628082 646555 659246 671398 691145 724594 748867 758030 800513 818090 845495 874510 903805 947546 975415 993395 1061905 1069810 1143590 1145326 1224314 1293110 1365581 1382290 1390753 1486667 1497734 1541785 1570205 1601026 1648115 1678495 1690990 1807610 1811485 1950830 1986790 2123810 2198287 2349893 2368865 2536079 2731162 2781506 2863315 2973334 3060785 3083570 3140410 3296230 3316411 3356990 3622970 3744335 4002565 4008641 4285099 4396574 4699786 4737730 5072158 5242069 5603591 5726630 6121570 6159049 6632822 6827905 6953765 7433335 7488670 8005130 8017282 8570198 9559067 9735271 10406669 10484138 10991435 11207182 11749465 12318098 12680395 13655810 13907530 14866670 16582055 17752553 19118134 19470542 20043205 20813338 21425495 21982870 23214877 23498930 25360790 26210345 28017955 30795245 33164110 35505106 40086410 42850990 43113343 46429754 47795335 48676355 52033345 52420690 56035910 61590490 68146897 72846683 86226686 88762765 95590670 97352710 104066690 116074385 124267871 136293794 145693366 162504139 177525530 215566715 232148770 248535742 301793401 325008278 340734485 364233415 431133430 603586802 621339355 681468970 728466830 812520695 1242678710 1508967005 1625041390 2112553807 3017934010 4225107614 10562769035 21125538070
• Sum of all divisors σ(n): 54050976000
• Sum of proper divisors (its aliquot sum) s(n): 32925437930
• 21125538070 is an abundant number, because the sum of its proper divisors (32925437930) is greater than itself. Its abundance is 11799899860

Bases of 21125538070

• Binary: 10011101011001011100010000100010110₂
• Hexadecimal: 0x4EB2E2116
• Base-36: 9PDLLHY

Squares and roots of 21125538070

• 21125538070 squared (21125538070²) is 446288358747019324900
• 21125538070 cubed (21125538070³) is 9428081712907974247200648943000
• The square root of 21125538070 is 145346.2695427715
• The cube root of 21125538070 is 2764.4108769981

Scales and comparisons

• 21,125,538,070 seconds is equal to 671 years, 37 weeks, 5 days, 13 hours, 1 minute, 10 seconds.
• To count from 1 to 21,125,538,070 would take you about one thousand, three hundred forty-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 21125538070 cubic inches would be around 230.4 feet tall.

Recreational maths with 21125538070

• 21125538070 backwards is 07083552112
• 21125538070 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21125538070's digits is 34
• More coming soon!