13398720
13,398,720 is an even composite number composed of five prime numbers multiplied together.
13398720 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 13398720:
26 × 3 × 5 × 17 × 821
(2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 17 × 821)See below for interesting mathematical facts about the number 13398720 from the Numbermatics database.
Names of 13398720
- Cardinal: 13398720 can be written as Thirteen million, three hundred ninety-eight thousand, seven hundred twenty.
Scientific notation
- Scientific notation: 1.339872 × 107
Factors of 13398720
Divisors of 13398720
- Number of divisors d(n): 112
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Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 16 17 20 24 30 32 34 40 48 51 60 64 68 80 85 96 102 120 136 160 170 192 204 240 255 272 320 340 408 480 510 544 680 816 821 960 1020 1088 1360 1632 1642 2040 2463 2720 3264 3284 4080 4105 4926 5440 6568 8160 8210 9852 12315 13136 13957 16320 16420 19704 24630 26272 27914 32840 39408 41871 49260 52544 55828 65680 69785 78816 83742 98520 111656 131360 139570 157632 167484 197040 209355 223312 262720 279140 334968 394080 418710 446624 558280 669936 788160 837420 893248 1116560 1339872 1674840 2233120 2679744 3349680 4466240 6699360 13398720
- Sum of all divisors σ(n): 45098208
- Sum of proper divisors (its aliquot sum) s(n): 31699488
- 13398720 is an abundant number, because the sum of its proper divisors (31699488) is greater than itself. Its abundance is 18300768
Bases of 13398720
- Binary: 1100110001110010110000002
- Hexadecimal: 0xCC72C0
- Base-36: 7Z6IO
Squares and roots of 13398720
- 13398720 squared (133987202) is 179525697638400
- 13398720 cubed (133987203) is 2405414555461582848000
-
The
square root of 13398720 is 3660.4262046927 -
The
cube root of 13398720 is 237.5132107149
Scales and comparisons
How big is 13398720?- 13,398,720 seconds is equal to 22 weeks, 1 day, 1 hour, 52 minutes.
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To count from 1 to 13,398,720 would take you about thirty-three weeks!
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 13398720 cubic inches would be around 19.8 feet tall.
Recreational maths with 13398720
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