72913984
72,913,984 is an even composite number composed of five prime numbers multiplied together.
72913984 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred twelve divisors.
Prime factorization of 72913984:
26 × 11 × 13 × 31 × 257
(2 × 2 × 2 × 2 × 2 × 2 × 11 × 13 × 31 × 257)See below for interesting mathematical facts about the number 72913984 from the Numbermatics database.
Names of 72913984
- Cardinal: 72913984 can be written as Seventy-two million, nine hundred thirteen thousand, nine hundred eighty-four.
Scientific notation
- Scientific notation: 7.2913984 × 107
Factors of 72913984
Divisors of 72913984
- Number of divisors d(n): 112
-
Complete list of divisors:
1 2 4 8 11 13 16 22 26 31 32 44 52 62 64 88 104 124 143 176 208 248 257 286 341 352 403 416 496 514 572 682 704 806 832 992 1028 1144 1364 1612 1984 2056 2288 2728 2827 3224 3341 4112 4433 4576 5456 5654 6448 6682 7967 8224 8866 9152 10912 11308 12896 13364 15934 16448 17732 21824 22616 25792 26728 31868 35464 36751 45232 53456 63736 70928 73502 87637 90464 103571 106912 127472 141856 147004 175274 180928 207142 213824 254944 283712 294008 350548 414284 509888 588016 701096 828568 1139281 1176032 1402192 1657136 2278562 2352064 2804384 3314272 4557124 5608768 6628544 9114248 18228496 36456992 72913984
- Sum of all divisors σ(n): 176150016
- Sum of proper divisors (its aliquot sum) s(n): 103236032
- 72913984 is an abundant number, because the sum of its proper divisors (103236032) is greater than itself. Its abundance is 30322048
Bases of 72913984
- Binary: 1000101100010010100010000002
- Hexadecimal: 0x4589440
- Base-36: 17ESSG
Squares and roots of 72913984
- 72913984 squared (729139842) is 5316449062752256
- 72913984 cubed (729139843) is 387643481898332989947904
-
The
square root of 72913984 is 8538.9685559791 -
The
cube root of 72913984 is 417.7697044195
Scales and comparisons
How big is 72913984?- 72,913,984 seconds is equal to 2 years, 16 weeks, 3 days, 21 hours, 53 minutes, 4 seconds.
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To count from 1 to 72,913,984 would take you about three 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 72913984 cubic inches would be around 34.8 feet tall.
Recreational maths with 72913984
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