728131072
728,131,072 is an even composite number composed of four prime numbers multiplied together.
728131072 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of one hundred twenty divisors.
Prime factorization of 728131072:
29 × 19 × 292 × 89
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 19 × 29 × 29 × 89)See below for interesting mathematical facts about the number 728131072 from the Numbermatics database.
Names of 728131072
- Cardinal: 728131072 can be written as Seven hundred twenty-eight million, one hundred thirty-one thousand and seventy-two.
Scientific notation
- Scientific notation: 7.28131072 × 108
Factors of 728131072
Divisors of 728131072
- Number of divisors d(n): 120
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Complete list of divisors:
1 2 4 8 16 19 29 32 38 58 64 76 89 116 128 152 178 232 256 304 356 464 512 551 608 712 841 928 1102 1216 1424 1682 1691 1856 2204 2432 2581 2848 3364 3382 3712 4408 4864 5162 5696 6728 6764 7424 8816 9728 10324 11392 13456 13528 14848 15979 17632 20648 22784 26912 27056 31958 35264 41296 45568 49039 53824 54112 63916 70528 74849 82592 98078 107648 108224 127832 141056 149698 165184 196156 215296 216448 255664 282112 299396 330368 392312 430592 432896 511328 598792 660736 784624 865792 1022656 1197584 1321472 1422131 1569248 2045312 2395168 2844262 3138496 4090624 4790336 5688524 6276992 8181248 9580672 11377048 12553984 19161344 22754096 25107968 38322688 45508192 91016384 182032768 364065536 728131072
- Sum of all divisors σ(n): 1603859400
- Sum of proper divisors (its aliquot sum) s(n): 875728328
- 728131072 is an abundant number, because the sum of its proper divisors (875728328) is greater than itself. Its abundance is 147597256
Bases of 728131072
- Binary: 1010110110011001100110000000002
- Hexadecimal: 0x2B666600
- Base-36: C1IDJ4
Squares and roots of 728131072
- 728131072 squared (7281310722) is 530174858011869184
- 728131072 cubed (7281310723) is 386036787711630097669685248
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The
square root of 728131072 is 26983.9039429065 -
The
cube root of 728131072 is 899.6422742935
Scales and comparisons
How big is 728131072?- 728,131,072 seconds is equal to 23 years, 7 weeks, 6 days, 10 hours, 37 minutes, 52 seconds.
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To count from 1 to 728,131,072 would take you about thirty-four 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 728131072 cubic inches would be around 75 feet tall.
Recreational maths with 728131072
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