20909901168

Names of 20909901168

• Cardinal: 20909901168 can be written as Twenty billion, nine hundred nine million, nine hundred one thousand, one hundred sixty-eight.

Scientific notation

• Scientific notation: 2.0909901168 × 10¹⁰

Factors of 20909901168

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 3782

Divisors of 20909901168

• Number of divisors d(n): 280
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 16 18 24 26 27 36 37 39 48 52 54 72 74 78 81 104 108 111 117 144 148 156 162 208 216 222 234 243 296 312 324 333 351 432 444 468 481 486 592 624 648 666 702 729 888 936 962 972 999 1053 1296 1332 1404 1443 1458 1776 1872 1924 1944 1998 2106 2664 2808 2886 2916 2997 3159 3727 3848 3888 3996 4212 4329 5328 5616 5772 5832 5994 6318 7454 7696 7992 8424 8658 8991 9477 11181 11544 11664 11988 12636 12987 14908 15984 16848 17316 17982 18954 22362 23088 23976 25272 25974 26973 29816 33543 34632 35964 37908 38961 44724 47952 48451 50544 51948 53946 59632 67086 69264 71928 75816 77922 89448 96902 100629 103896 107892 116883 134172 137899 143856 145353 151632 155844 178896 193804 201258 207792 215784 233766 268344 275798 290706 301887 311688 350649 387608 402516 413697 431568 436059 467532 536688 551596 581412 603774 623376 701298 775216 805032 827394 872118 905661 935064 1103192 1162824 1207548 1241091 1308177 1402596 1610064 1654788 1744236 1792687 1811322 1870128 2206384 2325648 2415096 2482182 2616354 2716983 2805192 3309576 3488472 3585374 3622644 3723273 3924531 4830192 4964364 5232708 5378061 5433966 5610384 6619152 6976944 7170748 7245288 7446546 7849062 9928728 10465416 10756122 10867932 11169819 11773593 14341496 14490576 14893092 15698124 16134183 19857456 20930832 21512244 21735864 22339638 23547186 28682992 29786184 31396248 32268366 33509457 35320779 43024488 43471728 44679276 47094372 48402549 59572368 62792496 64536732 67018914 70641558 86048976 89358552 94188744 96805098 100528371 129073464 134037828 141283116 145207647 178717104 188377488 193610196 201056742 258146928 268075656 282566232 290415294 387220392 402113484 435622941 536151312 565132464 580830588 774440784 804226968 871245882 1161661176 1306868823 1608453936 1742491764 2323322352 2613737646 3484983528 5227475292 6969967056 10454950584 20909901168
• Sum of all divisors σ(n): 67200018368
• Sum of proper divisors (its aliquot sum) s(n): 46290117200
• 20909901168 is an abundant number, because the sum of its proper divisors (46290117200) is greater than itself. Its abundance is 25380216032

Bases of 20909901168

• Binary: 10011011110010100111100010101110000₂
• Hexadecimal: 0x4DE53C570
• Base-36: 9LT7R00

Squares and roots of 20909901168

• 20909901168 squared (20909901168²) is 437223966855527764224
• 20909901168 cubed (20909901168³) is 9142309935229993284403846213632
• The square root of 20909901168 is 144602.5627988661
• The cube root of 20909901168 is 2754.9728717151

Scales and comparisons

• 20,909,901,168 seconds is equal to 664 years, 45 weeks, 1 day, 17 hours, 52 minutes, 48 seconds.
• To count from 1 to 20,909,901,168 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 20909901168 cubic inches would be around 229.6 feet tall.

Recreational maths with 20909901168

• 20909901168 backwards is 86110990902
• The number of decimal digits it has is: 11
• The sum of 20909901168's digits is 45
• More coming soon!