21371504
21,371,504 is an even composite number composed of five prime numbers multiplied together.
21371504 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred twenty divisors.
Prime factorization of 21371504:
24 × 7 × 112 × 19 × 83
(2 × 2 × 2 × 2 × 7 × 11 × 11 × 19 × 83)See below for interesting mathematical facts about the number 21371504 from the Numbermatics database.
Names of 21371504
- Cardinal: 21371504 can be written as Twenty-one million, three hundred seventy-one thousand, five hundred four.
Scientific notation
- Scientific notation: 2.1371504 × 107
Factors of 21371504
Divisors of 21371504
- Number of divisors d(n): 120
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Complete list of divisors:
1 2 4 7 8 11 14 16 19 22 28 38 44 56 76 77 83 88 112 121 133 152 154 166 176 209 242 266 304 308 332 418 484 532 581 616 664 836 847 913 968 1064 1162 1232 1328 1463 1577 1672 1694 1826 1936 2128 2299 2324 2926 3154 3344 3388 3652 4598 4648 5852 6308 6391 6776 7304 9196 9296 10043 11039 11704 12616 12782 13552 14608 16093 17347 18392 20086 22078 23408 25232 25564 32186 34694 36784 40172 44156 51128 64372 69388 70301 80344 88312 102256 121429 128744 138776 140602 160688 176624 190817 242858 257488 277552 281204 381634 485716 562408 763268 971432 1124816 1335719 1526536 1942864 2671438 3053072 5342876 10685752 21371504
- Sum of all divisors σ(n): 55413120
- Sum of proper divisors (its aliquot sum) s(n): 34041616
- 21371504 is an abundant number, because the sum of its proper divisors (34041616) is greater than itself. Its abundance is 12670112
Bases of 21371504
- Binary: 10100011000011010011100002
- Hexadecimal: 0x1461A70
- Base-36: CQ2CW
Squares and roots of 21371504
- 21371504 squared (213715042) is 456741183222016
- 21371504 cubed (213715043) is 9761246024194047832064
-
The
square root of 21371504 is 4622.9324027071 -
The
cube root of 21371504 is 277.5098240713
Scales and comparisons
How big is 21371504?- 21,371,504 seconds is equal to 35 weeks, 2 days, 8 hours, 31 minutes, 44 seconds.
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To count from 1 to 21,371,504 would take you about forty-seven minutes!
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 21371504 cubic inches would be around 23.1 feet tall.
Recreational maths with 21371504
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