21163680160

Names of 21163680160

• Cardinal: 21163680160 can be written as Twenty-one billion, one hundred sixty-three million, six hundred eighty thousand, one hundred sixty.

Scientific notation

• Scientific notation: 2.116368016 × 10¹⁰

Factors of 21163680160

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 98

Divisors of 21163680160

• Number of divisors d(n): 324
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 28 31 32 35 40 49 53 56 62 70 80 98 106 112 124 140 155 160 196 212 217 224 245 248 265 280 310 371 392 424 434 490 496 530 560 620 742 784 848 868 961 980 992 1060 1085 1120 1240 1484 1519 1568 1643 1696 1736 1855 1922 1960 2120 2170 2480 2597 2809 2968 3038 3286 3472 3710 3844 3920 4240 4340 4805 4960 5194 5618 5936 6076 6572 6727 6944 7420 7595 7688 7840 8215 8480 8680 9610 10388 11236 11501 11872 12152 12985 13144 13454 14045 14840 15190 15376 16430 17360 19220 19663 20776 22472 23002 24304 25970 26288 26908 28090 29680 30380 30752 32860 33635 34720 38440 39326 41552 44944 46004 47089 48608 50933 51940 52576 53816 56180 57505 59360 60760 65720 67270 76880 78652 80507 83104 87079 89888 92008 94178 98315 101866 103880 107632 112360 115010 121520 131440 134540 137641 153760 157304 161014 174158 184016 188356 196630 203732 207760 215264 224720 230020 235445 243040 254665 262880 269080 275282 314608 322028 348316 356531 368032 376712 393260 402535 407464 415520 435395 449440 460040 470890 509330 538160 550564 609553 629216 644056 688205 696632 713062 753424 786520 805070 814928 870790 920080 941780 1018660 1076320 1101128 1219106 1288112 1376410 1393264 1426124 1506848 1573040 1610140 1629856 1741580 1782655 1840160 1883560 2037320 2202256 2438212 2495717 2576224 2699449 2752820 2786528 2852248 3047765 3146080 3220280 3483160 3565310 3767120 4074640 4266871 4404512 4876424 4991434 5398898 5505640 5704496 6095530 6440560 6966320 7130620 7534240 8149280 8533742 9752848 9982868 10797796 11011280 11408992 12191060 12478585 12881120 13497245 13932640 14261240 17067484 18896143 19505696 19965736 21334355 21595592 22022560 24382120 24957170 26994490 28522480 34134968 37792286 39931472 42668710 43191184 48764240 49914340 53988980 57044960 68269936 75584572 79862944 85337420 86382368 94480715 97528480 99828680 107977960 132273001 136539872 151169144 170674840 188961430 199657360 215955920 264546002 302338288 341349680 377922860 399314720 431911840 529092004 604676576 661365005 682699360 755845720 1058184008 1322730010 1511691440 2116368016 2645460020 3023382880 4232736032 5290920040 10581840080 21163680160
• Sum of all divisors σ(n): 61254394614
• Sum of proper divisors (its aliquot sum) s(n): 40090714454
• 21163680160 is an abundant number, because the sum of its proper divisors (40090714454) is greater than itself. Its abundance is 18927034294

Bases of 21163680160

• Binary: 10011101101011101000010000110100000₂
• Hexadecimal: 0x4ED7421A0
• Base-36: 9Q0B44G

Squares and roots of 21163680160

• 21163680160 squared (21163680160²) is 447901357914777625600
• 21163680160 cubed (21163680160³) is 9479241082138038205722628096000
• The square root of 21163680160 is 145477.4214783861
• The cube root of 21163680160 is 2766.0735883297

Scales and comparisons

• 21,163,680,160 seconds is equal to 672 years, 48 weeks, 6 days, 2 minutes, 40 seconds.
• To count from 1 to 21,163,680,160 would take you about one thousand, three hundred forty-five 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 21163680160 cubic inches would be around 230.5 feet tall.

Recreational maths with 21163680160

• 21163680160 backwards is 06108636112
• The number of decimal digits it has is: 11
• The sum of 21163680160's digits is 34
• More coming soon!