20138088672

Names of 20138088672

• Cardinal: 20138088672 can be written as Twenty billion, one hundred thirty-eight million, eighty-eight thousand, six hundred seventy-two.

Scientific notation

• Scientific notation: 2.0138088672 × 10¹⁰

Factors of 20138088672

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 121

Divisors of 20138088672

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 16 18 24 26 27 32 36 39 48 52 54 72 78 96 103 104 108 117 144 156 169 206 208 216 234 288 309 312 338 351 412 416 432 468 507 618 624 676 702 824 864 927 936 1014 1236 1248 1339 1352 1404 1521 1648 1854 1872 2028 2197 2472 2678 2704 2781 2808 3042 3296 3708 3744 4017 4056 4394 4563 4944 5356 5408 5562 5616 6084 6591 7416 8034 8112 8788 9126 9888 10609 10712 11124 11232 12051 12168 13182 14832 16068 16224 17407 17576 18252 19773 21218 21424 22248 24102 24336 26364 29664 31827 32136 34814 35152 36153 36504 39546 42436 42848 44496 48204 48672 52221 52728 59319 63654 64272 69628 70304 72306 73008 79092 84872 88992 95481 96408 104442 105456 118638 127308 128544 137917 139256 144612 146016 156663 158184 169744 190962 192816 208884 210912 226291 237276 254616 275834 278512 286443 289224 313326 316368 339488 381924 385632 413751 417768 452582 469989 474552 509232 551668 557024 572886 578448 626652 632736 678873 763848 827502 835536 905164 939978 949104 1018464 1103336 1145772 1156896 1241253 1253304 1357746 1527696 1655004 1671072 1792921 1810328 1879956 1898208 2036619 2206672 2291544 2482506 2506608 2715492 3055392 3310008 3585842 3620656 3723759 3759912 4073238 4413344 4583088 4965012 5013216 5378763 5430984 6109857 6620016 7171684 7241312 7447518 7519824 8146476 9166176 9930024 10757526 10861968 12219714 13240032 14343368 14895036 15039648 16136289 16292952 19860048 21515052 21723936 23307973 24439428 28686736 29790072 32272578 32585904 39720096 43030104 46615946 48408867 48878856 57373472 59580144 64545156 65171808 69923919 86060208 93231892 96817734 97757712 119160288 129090312 139847838 172120416 186463784 193635468 195515424 209771757 258180624 279695676 372927568 387270936 419543514 516361248 559391352 629315271 745855136 774541872 839087028 1118782704 1258630542 1549083744 1678174056 2237565408 2517261084 3356348112 5034522168 6712696224 10069044336 20138088672
• Sum of all divisors σ(n): 64252288800
• Sum of proper divisors (its aliquot sum) s(n): 44114200128
• 20138088672 is an abundant number, because the sum of its proper divisors (44114200128) is greater than itself. Its abundance is 23976111456

Bases of 20138088672

• Binary: 10010110000010100101101100011100000₂
• Hexadecimal: 0x4B052D8E0
• Base-36: 991P4O0

Squares and roots of 20138088672

• 20138088672 squared (20138088672²) is 405542615361334723584
• 20138088672 cubed (20138088672³) is 8166853148421347983807201640448
• The square root of 20138088672 is 141908.7336001559
• The cube root of 20138088672 is 2720.6504658297

Scales and comparisons

• 20,138,088,672 seconds is equal to 640 years, 17 weeks, 17 hours, 31 minutes, 12 seconds.
• To count from 1 to 20,138,088,672 would take you about one thousand, two hundred eighty 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 20138088672 cubic inches would be around 226.7 feet tall.

Recreational maths with 20138088672

• 20138088672 backwards is 27688083102
• The number of decimal digits it has is: 11
• The sum of 20138088672's digits is 45
• More coming soon!