20999643984
20,999,643,984 is an even composite number composed of five prime numbers multiplied together.
20999643984 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of three hundred twenty divisors.
Prime factorization of 20999643984:
24 × 37 × 11 × 89 × 613
(2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 11 × 89 × 613)See below for interesting mathematical facts about the number 20999643984 from the Numbermatics database.
Names of 20999643984
- Cardinal: 20999643984 can be written as Twenty billion, nine hundred ninety-nine million, six hundred forty-three thousand, nine hundred eighty-four.
Scientific notation
- Scientific notation: 2.0999643984 × 1010
Factors of 20999643984
Divisors of 20999643984
- Number of divisors d(n): 320
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Complete list of divisors:
1 2 3 4 6 8 9 11 12 16 18 22 24 27 33 36 44 48 54 66 72 81 88 89 99 108 132 144 162 176 178 198 216 243 264 267 297 324 356 396 432 486 528 534 594 613 648 712 729 792 801 891 972 979 1068 1188 1226 1296 1424 1458 1584 1602 1782 1839 1944 1958 2136 2187 2376 2403 2452 2673 2916 2937 3204 3564 3678 3888 3916 4272 4374 4752 4806 4904 5346 5517 5832 5874 6408 6743 7128 7209 7356 7832 8019 8748 8811 9612 9808 10692 11034 11664 11748 12816 13486 14256 14418 14712 15664 16038 16551 17496 17622 19224 20229 21384 21627 22068 23496 24057 26433 26972 28836 29424 32076 33102 34992 35244 38448 40458 42768 43254 44136 46992 48114 49653 52866 53944 54557 57672 60687 64152 64881 66204 70488 79299 80916 86508 88272 96228 99306 105732 107888 109114 115344 121374 128304 129762 132408 140976 148959 158598 161832 163671 173016 182061 192456 194643 198612 211464 218228 237897 242748 259524 264816 297918 317196 323664 327342 346032 364122 384912 389286 397224 422928 436456 446877 475794 485496 491013 519048 546183 595836 600127 634392 654684 713691 728244 778572 794448 872912 893754 951588 970992 982026 1038096 1092366 1191672 1200254 1268784 1309368 1340631 1427382 1456488 1473039 1557144 1638549 1787508 1800381 1903176 1964052 2141073 2184732 2383344 2400508 2618736 2681262 2854764 2912976 2946078 3114288 3277098 3575016 3600762 3806352 3928104 4282146 4369464 4419117 4801016 4915647 5362524 5401143 5709528 5892156 6554196 7150032 7201524 7856208 8564292 8738928 8838234 9602032 9831294 10725048 10802286 11419056 11784312 13108392 13257351 14403048 14746941 16203429 17128584 17676468 19662588 21450096 21604572 23568624 26216784 26514702 28806096 29493882 32406858 34257168 35352936 39325176 39772053 43209144 48610287 53029404 58987764 64813716 70705872 78650352 79544106 86418288 97220574 106058808 117975528 119316159 129627432 145830861 159088212 194441148 212117616 235951056 238632318 259254864 291661722 318176424 388882296 437492583 477264636 583323444 636352848 777764592 874985166 954529272 1166646888 1312477749 1749970332 1909058544 2333293776 2624955498 3499940664 5249910996 6999881328 10499821992 20999643984
- Sum of all divisors σ(n): 67426041600
- Sum of proper divisors (its aliquot sum) s(n): 46426397616
- 20999643984 is an abundant number, because the sum of its proper divisors (46426397616) is greater than itself. Its abundance is 25426753632
Bases of 20999643984
- Binary: 100111000111010110100100011010100002
- Hexadecimal: 0x4E3AD2350
- Base-36: 9NAN900
Squares and roots of 20999643984
- 20999643984 squared (209996439842) is 440985047454747392256
- 20999643984 cubed (209996439843) is 9260528998817040588028398587904
-
The
square root of 20999643984 is 144912.5390847873 -
The
cube root of 20999643984 is 2758.9085854811
Scales and comparisons
How big is 20999643984?- 20,999,643,984 seconds is equal to 667 years, 37 weeks, 4 days, 10 hours, 26 minutes, 24 seconds.
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To count from 1 to 20,999,643,984 would take you about one thousand, three hundred thirty-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 20999643984 cubic inches would be around 229.9 feet tall.
Recreational maths with 20999643984
- 20999643984 backwards is 48934699902
- The number of decimal digits it has is: 11
- The sum of 20999643984's digits is 63
- More coming soon!
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