19929729888

Names of 19929729888

• Cardinal: 19929729888 can be written as Nineteen billion, nine hundred twenty-nine million, seven hundred twenty-nine thousand, eight hundred eighty-eight.

Scientific notation

• Scientific notation: 1.9929729888 × 10¹⁰

Factors of 19929729888

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 83

Divisors of 19929729888

• Number of divisors d(n): 300
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 19 24 27 32 36 38 48 54 57 59 72 76 81 96 108 114 118 144 152 162 171 177 216 228 236 288 304 324 342 354 361 432 456 472 513 531 608 648 684 708 722 864 912 944 1026 1062 1083 1121 1296 1368 1416 1444 1539 1593 1824 1888 2052 2124 2166 2242 2592 2736 2832 2888 3078 3186 3249 3363 4104 4248 4332 4484 4779 5472 5664 5776 6156 6372 6498 6726 6859 8208 8496 8664 8968 9558 9747 10089 11552 12312 12744 12996 13452 13718 16416 16992 17328 17936 19116 19494 20178 20577 21299 24624 25488 25992 26904 27436 29241 30267 34656 35872 38232 38988 40356 41154 42598 49248 50976 51984 53808 54872 58482 60534 61731 63897 76464 77976 80712 82308 85196 90801 103968 107616 109744 116964 121068 123462 127794 130321 152928 155952 161424 164616 170392 181602 185193 191691 219488 233928 242136 246924 255588 260642 311904 322848 329232 340784 363204 370386 383382 390963 404681 467856 484272 493848 511176 521284 555579 575073 658464 681568 726408 740772 766764 781926 809362 935712 968544 987696 1022352 1042568 1111158 1150146 1172889 1214043 1452816 1481544 1533528 1563852 1618724 1725219 1975392 2044704 2085136 2222316 2300292 2345778 2428086 2905632 2963088 3067056 3127704 3237448 3450438 3518667 3642129 4170272 4444632 4600584 4691556 4856172 5926176 6134112 6255408 6474896 6900876 7037334 7284258 7688939 8889264 9201168 9383112 9712344 10556001 10926387 12510816 12949792 13801752 14074668 14568516 15377878 17778528 18402336 18766224 19424688 21112002 21852774 23066817 27603504 28149336 29137032 30755756 32779161 37532448 38849376 42224004 43705548 46133634 55207008 56298672 58274064 61511512 65558322 69200451 84448008 87411096 92267268 112597344 116548128 123023024 131116644 138400902 168896016 174822192 184534536 207601353 246046048 262233288 276801804 337792032 349644384 369069072 415202706 524466576 553603608 622804059 738138144 830405412 1048933152 1107207216 1245608118 1660810824 2214414432 2491216236 3321621648 4982432472 6643243296 9964864944 19929729888
• Sum of all divisors σ(n): 62917650180
• Sum of proper divisors (its aliquot sum) s(n): 42987920292
• 19929729888 is an abundant number, because the sum of its proper divisors (42987920292) is greater than itself. Its abundance is 23058190404

Bases of 19929729888

• Binary: 10010100011111001111000101101100000₂
• Hexadecimal: 0x4A3E78B60
• Base-36: 95LNA00

Squares and roots of 19929729888

• 19929729888 squared (19929729888²) is 397194133408640492544
• 19929729888 cubed (19929729888³) is 7915971791932441741701197955072
• The square root of 19929729888 is 141172.6952636381
• The cube root of 19929729888 is 2711.2348456193

Scales and comparisons

• 19,929,729,888 seconds is equal to 633 years, 36 weeks, 4 days, 4 hours, 4 minutes, 48 seconds.
• To count from 1 to 19,929,729,888 would take you about one thousand, two hundred sixty-seven 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 19929729888 cubic inches would be around 225.9 feet tall.

Recreational maths with 19929729888

• 19929729888 backwards is 88892792991
• 19929729888 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 19929729888's digits is 72
• More coming soon!