21493349190

Names of 21493349190

• Cardinal: 21493349190 can be written as Twenty-one billion, four hundred ninety-three million, three hundred forty-nine thousand, one hundred ninety.

Scientific notation

• Scientific notation: 2.149334919 × 10¹⁰

Factors of 21493349190

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 293

Divisors of 21493349190

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 5 6 9 10 15 18 27 30 43 45 54 81 86 90 113 127 129 135 162 215 226 254 258 270 339 381 387 405 430 565 635 645 678 762 774 810 1017 1130 1143 1161 1270 1290 1695 1849 1905 1935 2034 2286 2322 3051 3390 3429 3483 3698 3810 3870 4859 5085 5461 5547 5715 5805 6102 6858 6966 9153 9245 9718 10170 10287 10922 11094 11430 11610 14351 14577 15255 16383 16641 17145 17415 18306 18490 20574 24295 27305 27735 28702 29154 30510 32766 33282 34290 34830 43053 43731 45765 48590 49149 49923 51435 54610 55470 71755 72885 81915 83205 86106 87462 91530 98298 99846 102870 129159 131193 143510 145770 147447 149769 163830 166410 208937 215265 218655 234823 245745 249615 258318 262386 294894 299538 387477 393579 417874 430530 437310 442341 469646 491490 499230 617093 626811 645795 655965 704469 737235 748845 774954 787158 884682 1044685 1162431 1174115 1234186 1253622 1291590 1311930 1408938 1474470 1497690 1851279 1880433 1937385 1967895 2089370 2113407 2211705 2324862 2348230 3085465 3134055 3522345 3702558 3760866 3874770 3935790 4226814 4423410 5553837 5641299 5812155 6170930 6268110 6340221 7044690 9256395 9402165 10567035 11107674 11282598 11624310 12680442 16661511 16923897 18512790 18804330 19020663 21134070 26534999 27769185 28206495 31701105 33323022 33847794 38041326 49984533 53069998 55538370 56412990 63402210 79604997 83307555 84619485 95103315 99969066 132674995 159209994 166615110 169238970 190206630 238814991 249922665 265349990 398024985 477629982 499845330 716444973 796049970 1194074955 1432889946 2149334919 2388149910 3582224865 4298669838 7164449730 10746674595 21493349190
• Sum of all divisors σ(n): 60162144768
• Sum of proper divisors (its aliquot sum) s(n): 38668795578
• 21493349190 is an abundant number, because the sum of its proper divisors (38668795578) is greater than itself. Its abundance is 17175446388

Bases of 21493349190

• Binary: 10100000001000110100111101101000110₂
• Hexadecimal: 0x5011A7B46
• Base-36: 9VGL2DI

Squares and roots of 21493349190

• 21493349190 squared (21493349190²) is 461964059403273656100
• 21493349190 cubed (21493349190³) is 9929154841984463719685273559000
• The square root of 21493349190 is 146606.1021581299
• The cube root of 21493349190 is 2780.3621317155

Scales and comparisons

• 21,493,349,190 seconds is equal to 683 years, 21 weeks, 6 days, 14 hours, 46 minutes, 30 seconds.
• To count from 1 to 21,493,349,190 would take you about one thousand, three hundred sixty-six 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 21493349190 cubic inches would be around 231.7 feet tall.

Recreational maths with 21493349190

• 21493349190 backwards is 09194339412
• 21493349190 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21493349190's digits is 45
• More coming soon!