21429225216
21,429,225,216 is an even composite number composed of four prime numbers multiplied together.
21429225216 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of two hundred sixteen divisors.
Prime factorization of 21429225216:
28 × 35 × 7 × 49211
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 3 × 7 × 49211)See below for interesting mathematical facts about the number 21429225216 from the Numbermatics database.
Names of 21429225216
- Cardinal: 21429225216 can be written as Twenty-one billion, four hundred twenty-nine million, two hundred twenty-five thousand, two hundred sixteen.
Scientific notation
- Scientific notation: 2.1429225216 × 1010
Factors of 21429225216
Divisors of 21429225216
- Number of divisors d(n): 216
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Complete list of divisors:
1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 32 36 42 48 54 56 63 64 72 81 84 96 108 112 126 128 144 162 168 189 192 216 224 243 252 256 288 324 336 378 384 432 448 486 504 567 576 648 672 756 768 864 896 972 1008 1134 1152 1296 1344 1512 1701 1728 1792 1944 2016 2268 2304 2592 2688 3024 3402 3456 3888 4032 4536 5184 5376 6048 6804 6912 7776 8064 9072 10368 12096 13608 15552 16128 18144 20736 24192 27216 31104 36288 48384 49211 54432 62208 72576 98422 108864 145152 147633 196844 217728 295266 344477 393688 435456 442899 590532 688954 787376 885798 1033431 1181064 1328697 1377908 1574752 1771596 2066862 2362128 2657394 2755816 3100293 3149504 3543192 3986091 4133724 4724256 5314788 5511632 6200586 6299008 7086384 7972182 8267448 9300879 9448512 10629576 11023264 11958273 12401172 12598016 14172768 15944364 16534896 18601758 18897024 21259152 22046528 23916546 24802344 27902637 28345536 31888728 33069792 37203516 37794048 42518304 44093056 47833092 49604688 55805274 56691072 63777456 66139584 74407032 83707911 85036608 88186112 95666184 99209376 111610548 113382144 127554912 132279168 148814064 167415822 170073216 191332368 198418752 223221096 255109824 264558336 297628128 334831644 340146432 382664736 396837504 446442192 510219648 595256256 669663288 765329472 793675008 892884384 1020439296 1190512512 1339326576 1530658944 1785768768 2381025024 2678653152 3061317888 3571537536 5357306304 7143075072 10714612608 21429225216
- Sum of all divisors σ(n): 73229030784
- Sum of proper divisors (its aliquot sum) s(n): 51799805568
- 21429225216 is an abundant number, because the sum of its proper divisors (51799805568) is greater than itself. Its abundance is 30370580352
Bases of 21429225216
- Binary: 100111111010100100000000111000000002
- Hexadecimal: 0x4FD480700
- Base-36: 9UEEO00
Squares and roots of 21429225216
- 21429225216 squared (214292252162) is 459211693358050246656
- 21429225216 cubed (214292252163) is 9840550798790390062235774877696
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The
square root of 21429225216 is 146387.2440344445 -
The
cube root of 21429225216 is 2777.5943690733
Scales and comparisons
How big is 21429225216?- 21,429,225,216 seconds is equal to 681 years, 19 weeks, 6 days, 10 hours, 33 minutes, 36 seconds.
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To count from 1 to 21,429,225,216 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 21429225216 cubic inches would be around 231.5 feet tall.
Recreational maths with 21429225216
- 21429225216 backwards is 61252292412
- 21429225216 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21429225216's digits is 36
- More coming soon!
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