21429121344
21,429,121,344 is an even composite number composed of five prime numbers multiplied together.
21429121344 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred fifty-two divisors.
Prime factorization of 21429121344:
26 × 3 × 232 × 47 × 672
(2 × 2 × 2 × 2 × 2 × 2 × 3 × 23 × 23 × 47 × 67 × 67)See below for interesting mathematical facts about the number 21429121344 from the Numbermatics database.
Names of 21429121344
- Cardinal: 21429121344 can be written as Twenty-one billion, four hundred twenty-nine million, one hundred twenty-one thousand, three hundred forty-four.
Scientific notation
- Scientific notation: 2.1429121344 × 1010
Factors of 21429121344
Divisors of 21429121344
- Number of divisors d(n): 252
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Complete list of divisors:
1 2 3 4 6 8 12 16 23 24 32 46 47 48 64 67 69 92 94 96 134 138 141 184 188 192 201 268 276 282 368 376 402 529 536 552 564 736 752 804 1058 1072 1081 1104 1128 1472 1504 1541 1587 1608 2116 2144 2162 2208 2256 3008 3082 3149 3174 3216 3243 4232 4288 4324 4416 4489 4512 4623 6164 6298 6348 6432 6486 8464 8648 8978 9024 9246 9447 12328 12596 12696 12864 12972 13467 16928 17296 17956 18492 18894 24656 24863 25192 25392 25944 26934 33856 34592 35443 35912 36984 37788 49312 49726 50384 50784 51888 53868 69184 70886 71824 72427 73968 74589 75576 98624 99452 100768 101568 103247 103776 106329 107736 141772 143648 144854 147936 149178 151152 198904 201536 206494 207552 210983 212658 215472 217281 283544 287296 289708 295872 298356 302304 309741 397808 412988 421966 425316 430944 434562 567088 579416 596712 604608 619482 632949 795616 825976 843932 850632 861888 869124 1134176 1158832 1193424 1238964 1265898 1591232 1651952 1665821 1687864 1701264 1738248 2268352 2317664 2374681 2386848 2477928 2531796 3303904 3331642 3375728 3402528 3476496 4635328 4749362 4773696 4852609 4955856 4997463 5063592 6607808 6663284 6751456 6805056 6952992 7124043 9498724 9705218 9911712 9994926 10127184 13326568 13502912 13905984 14248086 14557827 18997448 19410436 19823424 19989852 20254368 26653136 28496172 29115654 37994896 38820872 39979704 40508736 53306272 56992344 58231308 75989792 77641744 79959408 106612544 111610007 113984688 116462616 151979584 155283488 159918816 223220014 227969376 232925232 310566976 319837632 334830021 446440028 455938752 465850464 669660042 892880056 931700928 1339320084 1785760112 2678640168 3571520224 5357280336 7143040448 10714560672 21429121344
- Sum of all divisors σ(n): 61448192064
- Sum of proper divisors (its aliquot sum) s(n): 40019070720
- 21429121344 is an abundant number, because the sum of its proper divisors (40019070720) is greater than itself. Its abundance is 18589949376
Bases of 21429121344
- Binary: 100111111010100011001110001010000002
- Hexadecimal: 0x4FD467140
- Base-36: 9UECFUO
Squares and roots of 21429121344
- 21429121344 squared (214291213442) is 459207241575876366336
- 21429121344 cubed (214291213443) is 9840407701772976437355940675584
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The
square root of 21429121344 is 146386.8892490035 -
The
cube root of 21429121344 is 2777.5898812031
Scales and comparisons
How big is 21429121344?- 21,429,121,344 seconds is equal to 681 years, 19 weeks, 5 days, 5 hours, 42 minutes, 24 seconds.
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To count from 1 to 21,429,121,344 would take you about one thousand, three hundred sixty-two 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 21429121344 cubic inches would be around 231.5 feet tall.
Recreational maths with 21429121344
- 21429121344 backwards is 44312192412
- The number of decimal digits it has is: 11
- The sum of 21429121344's digits is 33
- More coming soon!
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