21004272
21,004,272 is an even composite number composed of four prime numbers multiplied together.
21004272 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of one hundred divisors.
Prime factorization of 21004272:
24 × 34 × 19 × 853
(2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 19 × 853)See below for interesting mathematical facts about the number 21004272 from the Numbermatics database.
Names of 21004272
- Cardinal: 21004272 can be written as Twenty-one million, four thousand, two hundred seventy-two.
Scientific notation
- Scientific notation: 2.1004272 × 107
Factors of 21004272
Divisors of 21004272
- Number of divisors d(n): 100
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Complete list of divisors:
1 2 3 4 6 8 9 12 16 18 19 24 27 36 38 48 54 57 72 76 81 108 114 144 152 162 171 216 228 304 324 342 432 456 513 648 684 853 912 1026 1296 1368 1539 1706 2052 2559 2736 3078 3412 4104 5118 6156 6824 7677 8208 10236 12312 13648 15354 16207 20472 23031 24624 30708 32414 40944 46062 48621 61416 64828 69093 92124 97242 122832 129656 138186 145863 184248 194484 259312 276372 291726 368496 388968 437589 552744 583452 777936 875178 1105488 1166904 1312767 1750356 2333808 2625534 3500712 5251068 7001424 10502136 21004272
- Sum of all divisors σ(n): 64067080
- Sum of proper divisors (its aliquot sum) s(n): 43062808
- 21004272 is an abundant number, because the sum of its proper divisors (43062808) is greater than itself. Its abundance is 22058536
Bases of 21004272
- Binary: 10100000001111111111100002
- Hexadecimal: 0x1407FF0
- Base-36: CI700
Squares and roots of 21004272
- 21004272 squared (210042722) is 441179442249984
- 21004272 cubed (210042723) is 9266653005826955931648
-
The
square root of 21004272 is 4583.0417846663 -
The
cube root of 21004272 is 275.9111245031
Scales and comparisons
How big is 21004272?- 21,004,272 seconds is equal to 34 weeks, 5 days, 2 hours, 31 minutes, 12 seconds.
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To count from 1 to 21,004,272 would take you about fifteen hours!
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 21004272 cubic inches would be around 23 feet tall.
Recreational maths with 21004272
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Keywords: Divisors of 21004272, math, Factors of 21004272, curriculum, school, college, exams, university, Prime factorization of 21004272, STEM, science, technology, engineering, physics, economics, calculator, twenty-one million, four thousand, two hundred seventy-two.