21049431040
21,049,431,040 is an even composite number composed of five prime numbers multiplied together.
21049431040 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred sixty-four divisors.
Prime factorization of 21049431040:
210 × 5 × 112 × 61 × 557
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 11 × 11 × 61 × 557)See below for interesting mathematical facts about the number 21049431040 from the Numbermatics database.
Names of 21049431040
- Cardinal: 21049431040 can be written as Twenty-one billion, forty-nine million, four hundred thirty-one thousand and forty.
Scientific notation
- Scientific notation: 2.104943104 × 1010
Factors of 21049431040
Divisors of 21049431040
- Number of divisors d(n): 264
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Complete list of divisors:
1 2 4 5 8 10 11 16 20 22 32 40 44 55 61 64 80 88 110 121 122 128 160 176 220 242 244 256 305 320 352 440 484 488 512 557 605 610 640 671 704 880 968 976 1024 1114 1210 1220 1280 1342 1408 1760 1936 1952 2228 2420 2440 2560 2684 2785 2816 3355 3520 3872 3904 4456 4840 4880 5120 5368 5570 5632 6127 6710 7040 7381 7744 7808 8912 9680 9760 10736 11140 11264 12254 13420 14080 14762 15488 15616 17824 19360 19520 21472 22280 24508 26840 28160 29524 30635 30976 31232 33977 35648 36905 38720 39040 42944 44560 49016 53680 56320 59048 61270 61952 62464 67397 67954 71296 73810 77440 78080 85888 89120 98032 107360 118096 122540 123904 134794 135908 142592 147620 154880 156160 169885 171776 178240 196064 214720 236192 245080 269588 271816 285184 295240 309760 312320 336985 339770 343552 356480 373747 392128 429440 472384 490160 539176 543632 570368 590480 619520 673970 679540 687104 712960 747494 784256 858880 944768 980320 1078352 1087264 1180960 1347940 1359080 1425920 1494988 1568512 1717760 1868735 1889536 1960640 2156704 2174528 2361920 2695880 2718160 2851840 2989976 3137024 3435520 3737470 3779072 3921280 4111217 4313408 4349056 4723840 5391760 5436320 5979952 6274048 7474940 7558144 7842560 8222434 8626816 8698112 9447680 10783520 10872640 11959904 14949880 15685120 16444868 17253632 17396224 18895360 20556085 21567040 21745280 23919808 29899760 31370240 32889736 34507264 34792448 37790720 41112170 43134080 43490560 47839616 59799520 65779472 69014528 82224340 86268160 86981120 95679232 119599040 131558944 164448680 172536320 173962240 191358464 239198080 263117888 328897360 345072640 382716928 478396160 526235776 657794720 956792320 1052471552 1315589440 1913584640 2104943104 2631178880 4209886208 5262357760 10524715520 21049431040
- Sum of all divisors σ(n): 56512773576
- Sum of proper divisors (its aliquot sum) s(n): 35463342536
- 21049431040 is an abundant number, because the sum of its proper divisors (35463342536) is greater than itself. Its abundance is 14413911496
Bases of 21049431040
- Binary: 100111001101010010011010100000000002
- Hexadecimal: 0x4E6A4D400
- Base-36: 9O4ACXS
Squares and roots of 21049431040
- 21049431040 squared (210494310402) is 443078547107715481600
- 21049431040 cubed (210494310403) is 9326551322647248481879588864000
-
The
square root of 21049431040 is 145084.2205065733 -
The
cube root of 21049431040 is 2761.0871863391
Scales and comparisons
How big is 21049431040?- 21,049,431,040 seconds is equal to 669 years, 15 weeks, 6 days, 16 hours, 10 minutes, 40 seconds.
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To count from 1 to 21,049,431,040 would take you about one thousand, three hundred thirty-eight 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 21049431040 cubic inches would be around 230.1 feet tall.
Recreational maths with 21049431040
- 21049431040 backwards is 04013494012
- The number of decimal digits it has is: 11
- The sum of 21049431040's digits is 28
- More coming soon!
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