12893985
12,893,985 is an odd composite number composed of five prime numbers multiplied together.
12893985 is an odd composite number. It is composed of five distinct prime numbers multiplied together. It has a total of eighty divisors.
Prime factorization of 12893985:
34 × 5 × 13 × 31 × 79
(3 × 3 × 3 × 3 × 5 × 13 × 31 × 79)See below for interesting mathematical facts about the number 12893985 from the Numbermatics database.
Names of 12893985
- Cardinal: 12893985 can be written as Twelve million, eight hundred ninety-three thousand, nine hundred eighty-five.
Scientific notation
- Scientific notation: 1.2893985 × 107
Factors of 12893985
Divisors of 12893985
- Number of divisors d(n): 80
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Complete list of divisors:
1 3 5 9 13 15 27 31 39 45 65 79 81 93 117 135 155 195 237 279 351 395 403 405 465 585 711 837 1027 1053 1185 1209 1395 1755 2015 2133 2449 2511 3081 3555 3627 4185 5135 5265 6045 6399 7347 9243 10665 10881 12245 12555 15405 18135 22041 27729 31837 31995 32643 36735 46215 54405 66123 83187 95511 110205 138645 159185 163215 198369 286533 330615 415935 477555 859599 991845 1432665 2578797 4297995 12893985
- Sum of all divisors σ(n): 26019840
- Sum of proper divisors (its aliquot sum) s(n): 13125855
- 12893985 is an abundant number, because the sum of its proper divisors (13125855) is greater than itself. Its abundance is 231870
Bases of 12893985
- Binary: 1100010010111111001000012
- Hexadecimal: 0xC4BF21
- Base-36: 7OD29
Squares and roots of 12893985
- 12893985 squared (128939852) is 166254849180225
- 12893985 cubed (128939853) is 2143687531507083446625
-
The
square root of 12893985 is 3590.8195443381 -
The
cube root of 12893985 is 234.4925522311
Scales and comparisons
How big is 12893985?- 12,893,985 seconds is equal to 21 weeks, 2 days, 5 hours, 39 minutes, 45 seconds.
-
To count from 1 to 12,893,985 would take you about thirty-one 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 12893985 cubic inches would be around 19.5 feet tall.
Recreational maths with 12893985
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