814998990
814,998,990 is an even composite number composed of six prime numbers multiplied together.
814998990 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of sixty-four divisors.
Prime factorization of 814998990:
2 × 3 × 5 × 13 × 31 × 67411
See below for interesting mathematical facts about the number 814998990 from the Numbermatics database.
Names of 814998990
- Cardinal: 814998990 can be written as Eight hundred fourteen million, nine hundred ninety-eight thousand, nine hundred ninety.
Scientific notation
- Scientific notation: 8.1499899 × 108
Factors of 814998990
Divisors of 814998990
- Number of divisors d(n): 64
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Complete list of divisors:
1 2 3 5 6 10 13 15 26 30 31 39 62 65 78 93 130 155 186 195 310 390 403 465 806 930 1209 2015 2418 4030 6045 12090 67411 134822 202233 337055 404466 674110 876343 1011165 1752686 2022330 2089741 2629029 4179482 4381715 5258058 6269223 8763430 10448705 12538446 13145145 20897410 26290290 27166633 31346115 54333266 62692230 81499899 135833165 162999798 271666330 407499495 814998990
- Sum of all divisors σ(n): 2174441472
- Sum of proper divisors (its aliquot sum) s(n): 1359442482
- 814998990 is an abundant number, because the sum of its proper divisors (1359442482) is greater than itself. Its abundance is 544443492
Bases of 814998990
- Binary: 1100001001001111100101110011102
- Hexadecimal: 0x3093E5CE
- Base-36: DH898U
Squares and roots of 814998990
- 814998990 squared (8149989902) is 664223353701020100
- 814998990 cubed (8149989903) is 541341362400744143469699000
-
The
square root of 814998990 is 28548.1871578565 -
The
cube root of 814998990 is 934.0834775687
Scales and comparisons
How big is 814998990?- 814,998,990 seconds is equal to 25 years, 47 weeks, 3 days, 20 hours, 36 minutes, 30 seconds.
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To count from 1 to 814,998,990 would take you about thirty-eight 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 814998990 cubic inches would be around 77.8 feet tall.
Recreational maths with 814998990
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