72161496
72,161,496 is an even composite number composed of four prime numbers multiplied together.
72161496 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of one hundred twenty-eight divisors.
Prime factorization of 72161496:
23 × 33 × 113 × 251
(2 × 2 × 2 × 3 × 3 × 3 × 11 × 11 × 11 × 251)See below for interesting mathematical facts about the number 72161496 from the Numbermatics database.
Names of 72161496
- Cardinal: 72161496 can be written as Seventy-two million, one hundred sixty-one thousand, four hundred ninety-six.
Scientific notation
- Scientific notation: 7.2161496 × 107
Factors of 72161496
Divisors of 72161496
- Number of divisors d(n): 128
-
Complete list of divisors:
1 2 3 4 6 8 9 11 12 18 22 24 27 33 36 44 54 66 72 88 99 108 121 132 198 216 242 251 264 297 363 396 484 502 594 726 753 792 968 1004 1089 1188 1331 1452 1506 2008 2178 2259 2376 2662 2761 2904 3012 3267 3993 4356 4518 5324 5522 6024 6534 6777 7986 8283 8712 9036 10648 11044 11979 13068 13554 15972 16566 18072 22088 23958 24849 26136 27108 30371 31944 33132 35937 47916 49698 54216 60742 66264 71874 74547 91113 95832 99396 121484 143748 149094 182226 198792 242968 273339 287496 298188 334081 364452 546678 596376 668162 728904 820017 1002243 1093356 1336324 1640034 2004486 2186712 2672648 3006729 3280068 4008972 6013458 6560136 8017944 9020187 12026916 18040374 24053832 36080748 72161496
- Sum of all divisors σ(n): 221356800
- Sum of proper divisors (its aliquot sum) s(n): 149195304
- 72161496 is an abundant number, because the sum of its proper divisors (149195304) is greater than itself. Its abundance is 77033808
Bases of 72161496
- Binary: 1000100110100011000110110002
- Hexadecimal: 0x44D18D8
- Base-36: 16YO60
Squares and roots of 72161496
- 72161496 squared (721614962) is 5207281504958016
- 72161496 cubed (721614963) is 375765223490901851751936
-
The
square root of 72161496 is 8494.7922870427 -
The
cube root of 72161496 is 416.3275742119
Scales and comparisons
How big is 72161496?- 72,161,496 seconds is equal to 2 years, 15 weeks, 2 days, 4 hours, 51 minutes, 36 seconds.
-
To count from 1 to 72,161,496 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 72161496 cubic inches would be around 34.7 feet tall.
Recreational maths with 72161496
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