72492992
72,492,992 is an even composite number composed of four prime numbers multiplied together.
What does the number 72492992 look like?
This visualization shows the relationship between its 4 prime factors (large circles) and 84 divisors.
72492992 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of eighty-four divisors.
Prime factorization of 72492992:
26 × 11 × 13 × 892
(2 × 2 × 2 × 2 × 2 × 2 × 11 × 13 × 89 × 89)See below for interesting mathematical facts about the number 72492992 from the Numbermatics database.
Names of 72492992
- Cardinal: 72492992 can be written as Seventy-two million, four hundred ninety-two thousand, nine hundred ninety-two.
Scientific notation
- Scientific notation: 7.2492992 × 107
Factors of 72492992
Divisors of 72492992
- Number of divisors d(n): 84
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Complete list of divisors:
1 2 4 8 11 13 16 22 26 32 44 52 64 88 89 104 143 176 178 208 286 352 356 416 572 704 712 832 979 1144 1157 1424 1958 2288 2314 2848 3916 4576 4628 5696 7832 7921 9152 9256 12727 15664 15842 18512 25454 31328 31684 37024 50908 62656 63368 74048 87131 101816 102973 126736 174262 203632 205946 253472 348524 407264 411892 506944 697048 814528 823784 1132703 1394096 1647568 2265406 2788192 3295136 4530812 5576384 6590272 9061624 18123248 36246496 72492992
- Sum of all divisors σ(n): 170922696
- Sum of proper divisors (its aliquot sum) s(n): 98429704
- 72492992 is an abundant number, because the sum of its proper divisors (98429704) is greater than itself. Its abundance is 25936712
Bases of 72492992
- Binary: 1000101001000100111110000002
- Hexadecimal: 0x45227C0
- Base-36: 175RY8
Squares and roots of 72492992
- 72492992 squared (724929922) is 5255233889112064
- 72492992 cubed (724929923) is 380967628281529742655488
-
The
square root of 72492992 is 8514.2816490881 -
The
cube root of 72492992 is 416.9641100333
Scales and comparisons
How big is 72492992?- 72,492,992 seconds is equal to 2 years, 15 weeks, 6 days, 56 minutes, 32 seconds.
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To count from 1 to 72,492,992 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 72492992 cubic inches would be around 34.7 feet tall.
Recreational maths with 72492992
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