12951680
12,951,680 is an even composite number composed of four prime numbers multiplied together.
12951680 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 12951680:
27 × 5 × 73 × 59
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 7 × 7 × 7 × 59)See below for interesting mathematical facts about the number 12951680 from the Numbermatics database.
Names of 12951680
- Cardinal: 12951680 can be written as Twelve million, nine hundred fifty-one thousand, six hundred eighty.
Scientific notation
- Scientific notation: 1.295168 × 107
Factors of 12951680
Divisors of 12951680
- Number of divisors d(n): 128
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Complete list of divisors:
1 2 4 5 7 8 10 14 16 20 28 32 35 40 49 56 59 64 70 80 98 112 118 128 140 160 196 224 236 245 280 295 320 343 392 413 448 472 490 560 590 640 686 784 826 896 944 980 1120 1180 1372 1568 1652 1715 1888 1960 2065 2240 2360 2744 2891 3136 3304 3430 3776 3920 4130 4480 4720 5488 5782 6272 6608 6860 7552 7840 8260 9440 10976 11564 13216 13720 14455 15680 16520 18880 20237 21952 23128 26432 27440 28910 31360 33040 37760 40474 43904 46256 52864 54880 57820 66080 80948 92512 101185 109760 115640 132160 161896 185024 202370 219520 231280 264320 323792 370048 404740 462560 647584 809480 925120 1295168 1618960 1850240 2590336 3237920 6475840 12951680
- Sum of all divisors σ(n): 36720000
- Sum of proper divisors (its aliquot sum) s(n): 23768320
- 12951680 is an abundant number, because the sum of its proper divisors (23768320) is greater than itself. Its abundance is 10816640
Bases of 12951680
- Binary: 1100010110100000100000002
- Hexadecimal: 0xC5A080
- Base-36: 7PLKW
Squares and roots of 12951680
- 12951680 squared (129516802) is 167746014822400
- 12951680 cubed (129516803) is 2172592705254981632000
-
The
square root of 12951680 is 3598.8442589253 -
The
cube root of 12951680 is 234.8417827427
Scales and comparisons
How big is 12951680?- 12,951,680 seconds is equal to 21 weeks, 2 days, 21 hours, 41 minutes, 20 seconds.
-
To count from 1 to 12,951,680 would take you about thirty-two 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 12951680 cubic inches would be around 19.6 feet tall.
Recreational maths with 12951680
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