20908723968

Names of 20908723968

• Cardinal: 20908723968 can be written as Twenty billion, nine hundred eight million, seven hundred twenty-three thousand, nine hundred sixty-eight.

Scientific notation

• Scientific notation: 2.0908723968 × 10¹⁰

Factors of 20908723968

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 154

Divisors of 20908723968

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 16 18 22 24 27 32 33 36 44 48 54 59 64 66 72 79 88 96 99 108 118 128 132 144 158 176 177 192 198 216 236 237 256 264 288 297 316 352 354 384 396 432 472 474 528 531 576 594 632 649 704 708 711 768 792 864 869 944 948 1056 1062 1152 1188 1264 1298 1408 1416 1422 1584 1593 1728 1738 1888 1896 1947 2112 2124 2133 2304 2376 2528 2596 2607 2816 2832 2844 3168 3186 3456 3476 3481 3776 3792 3894 4224 4248 4266 4661 4752 5056 5192 5214 5664 5688 5841 6336 6372 6912 6952 6962 7552 7584 7788 7821 8448 8496 8532 9322 9504 10112 10384 10428 10443 11328 11376 11682 12672 12744 13904 13924 13983 15104 15168 15576 15642 16992 17064 17523 18644 19008 20224 20768 20856 20886 22656 22752 23364 23463 25344 25488 27808 27848 27966 30336 31152 31284 31329 33984 34128 35046 37288 38016 38291 41536 41712 41772 41949 45312 45504 46728 46926 50976 51271 55616 55696 55932 60672 62304 62568 62658 67968 68256 70092 74576 76032 76582 83072 83424 83544 83898 91008 93456 93852 93987 101952 102542 111232 111392 111864 114873 124608 125136 125316 125847 135936 136512 140184 149152 153164 153813 166144 166848 167088 167796 182016 186912 187704 187974 203904 205084 222464 222784 223728 229746 249216 250272 250632 251694 273024 274999 280368 298304 306328 307626 333696 334176 335592 344619 373824 375408 375948 407808 410168 445568 447456 459492 461439 498432 500544 501264 503388 546048 549998 560736 596608 612656 615252 667392 668352 671184 689238 747648 750816 751896 820336 824997 891136 894912 918984 922878 1001088 1002528 1006776 1033857 1099996 1121472 1193216 1225312 1230504 1336704 1342368 1378476 1384317 1495296 1501632 1503792 1640672 1649994 1789824 1837968 1845756 2002176 2005056 2013552 2067714 2199992 2242944 2450624 2461008 2474991 2673408 2684736 2756952 2768634 3003264 3007584 3024989 3281344 3299988 3579648 3675936 3691512 4010112 4027104 4135428 4399984 4485888 4901248 4922016 4949982 5369472 5513904 5537268 6006528 6015168 6049978 6562688 6599976 7351872 7383024 7424973 8020224 8054208 8270856 8799968 9074967 9802496 9844032 9899964 10738944 11027808 11074536 12030336 12099956 13125376 13199952 14703744 14766048 14849946 16108416 16541712 17599936 18149934 19688064 19799928 22055616 22149072 24060672 24199912 26399904 27224901 29407488 29532096 29699892 32216832 33083424 35199872 36299868 39376128 39599856 44111232 44298144 48399824 52799808 54449802 59064192 59399784 66166848 70399744 72599736 79199712 81674703 88222464 88596288 96799648 105599616 108899604 118128384 118799568 132333696 145199472 158399424 163349406 177192576 193599296 211199232 217799208 237599136 264667392 290398944 316798848 326698812 354385152 387198592 435598416 475198272 580797888 633597696 653397624 774397184 871196832 950396544 1161595776 1306795248 1742393664 1900793088 2323191552 2613590496 3484787328 5227180992 6969574656 10454361984 20908723968
• Sum of all divisors σ(n): 69482918400
• Sum of proper divisors (its aliquot sum) s(n): 48574194432
• 20908723968 is an abundant number, because the sum of its proper divisors (48574194432) is greater than itself. Its abundance is 27665470464

Bases of 20908723968

• Binary: 10011011110010000011100111100000000₂
• Hexadecimal: 0x4DE41CF00
• Base-36: 9LSIIO0

Squares and roots of 20908723968

• 20908723968 squared (20908723968²) is 437174737970017665024
• 20908723968 cubed (20908723968³) is 9140765921997828018070704095232
• The square root of 20908723968 is 144598.4922742971
• The cube root of 20908723968 is 2754.9211702921

Scales and comparisons

• 20,908,723,968 seconds is equal to 664 years, 43 weeks, 2 days, 2 hours, 52 minutes, 48 seconds.
• To count from 1 to 20,908,723,968 would take you about one thousand, three hundred twenty-nine 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 20908723968 cubic inches would be around 229.6 feet tall.

Recreational maths with 20908723968

• 20908723968 backwards is 86932780902
• 20908723968 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20908723968's digits is 54
• More coming soon!