21179421312

Names of 21179421312

• Cardinal: 21179421312 can be written as Twenty-one billion, one hundred seventy-nine million, four hundred twenty-one thousand, three hundred twelve.

Scientific notation

• Scientific notation: 2.1179421312 × 10¹⁰

Factors of 21179421312

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 413

Divisors of 21179421312

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 49 56 64 84 96 98 112 128 147 168 192 196 224 294 336 343 384 392 401 448 588 672 686 784 802 896 1029 1176 1203 1344 1372 1568 1604 2058 2352 2406 2688 2744 2807 3136 3208 4116 4704 4812 5488 5614 6272 6416 8232 8421 9408 9624 10976 11228 12832 16464 16842 18816 19248 19649 21952 22456 25664 32928 33684 38496 39298 43904 44912 51328 58947 65856 67368 76992 78596 89824 117894 131712 134736 137543 153984 157192 160801 179648 235788 269472 275086 314384 321602 359296 412629 471576 482403 538944 550172 628768 643204 825258 943152 964806 1077888 1100344 1125607 1257536 1286408 1650516 1886304 1929612 2200688 2251214 2515072 2572816 3301032 3376821 3772608 3859224 4401376 4502428 5145632 6602064 6753642 7545216 7718448 7879249 8802752 9004856 10291264 13204128 13507284 15436896 15758498 17605504 18009712 20582528 23637747 26408256 27014568 30873792 31516996 36019424 47275494 52816512 54029136 55154743 61747584 63033992 72038848 94550988 108058272 110309486 126067984 144077696 165464229 189101976 216116544 220618972 252135968 330928458 378203952 432233088 441237944 504271936 661856916 756407904 882475888 1008543872 1323713832 1512815808 1764951776 2647427664 3025631616 3529903552 5294855328 7059807104 10589710656 21179421312
• Sum of all divisors σ(n): 65770824000
• Sum of proper divisors (its aliquot sum) s(n): 44591402688
• 21179421312 is an abundant number, because the sum of its proper divisors (44591402688) is greater than itself. Its abundance is 23411981376

Bases of 21179421312

• Binary: 10011101110011001000101001010000000₂
• Hexadecimal: 0x4EE645280
• Base-36: 9Q9OI2O

Squares and roots of 21179421312

• 21179421312 squared (21179421312²) is 448567887111199801344
• 21179421312 cubed (21179421312³) is 9500408268161755186475279843328
• The square root of 21179421312 is 145531.5131234469
• The cube root of 21179421312 is 2766.7592030855

Scales and comparisons

• 21,179,421,312 seconds is equal to 673 years, 22 weeks, 6 days, 4 hours, 35 minutes, 12 seconds.
• To count from 1 to 21,179,421,312 would take you about one thousand, three hundred forty-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 21179421312 cubic inches would be around 230.6 feet tall.

Recreational maths with 21179421312

• 21179421312 backwards is 21312497112
• The number of decimal digits it has is: 11
• The sum of 21179421312's digits is 33
• More coming soon!