680976990
680,976,990 is an even composite number composed of five prime numbers multiplied together.
680976990 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of sixty-four divisors.
Prime factorization of 680976990:
2 × 33 × 5 × 17 × 148361
(2 × 3 × 3 × 3 × 5 × 17 × 148361)See below for interesting mathematical facts about the number 680976990 from the Numbermatics database.
Names of 680976990
- Cardinal: 680976990 can be written as Six hundred eighty million, nine hundred seventy-six thousand, nine hundred ninety.
Scientific notation
- Scientific notation: 6.8097699 × 108
Factors of 680976990
Divisors of 680976990
- Number of divisors d(n): 64
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Complete list of divisors:
1 2 3 5 6 9 10 15 17 18 27 30 34 45 51 54 85 90 102 135 153 170 255 270 306 459 510 765 918 1530 2295 4590 148361 296722 445083 741805 890166 1335249 1483610 2225415 2522137 2670498 4005747 4450830 5044274 6676245 7566411 8011494 12610685 13352490 15132822 20028735 22699233 25221370 37832055 40057470 45398466 68097699 75664110 113496165 136195398 226992330 340488495 680976990
- Sum of all divisors σ(n): 1922771520
- Sum of proper divisors (its aliquot sum) s(n): 1241794530
- 680976990 is an abundant number, because the sum of its proper divisors (1241794530) is greater than itself. Its abundance is 560817540
Bases of 680976990
- Binary: 1010001001011011100010010111102
- Hexadecimal: 0x2896E25E
- Base-36: B9FP7I
Squares and roots of 680976990
- 680976990 squared (6809769902) is 463729660909460100
- 680976990 cubed (6809769903) is 315789228659844801423099000
-
The
square root of 680976990 is 26095.5358251177 -
The
cube root of 680976990 is 879.7868759021
Scales and comparisons
How big is 680976990?- 680,976,990 seconds is equal to 21 years, 33 weeks, 6 days, 16 hours, 16 minutes, 30 seconds.
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To count from 1 to 680,976,990 would take you about thirty-two 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 680976990 cubic inches would be around 73.3 feet tall.
Recreational maths with 680976990
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