82691420
82,691,420 is an even composite number composed of five prime numbers multiplied together.
82691420 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 82691420:
22 × 5 × 72 × 19 × 4441
(2 × 2 × 5 × 7 × 7 × 19 × 4441)See below for interesting mathematical facts about the number 82691420 from the Numbermatics database.
Names of 82691420
- Cardinal: 82691420 can be written as Eighty-two million, six hundred ninety-one thousand, four hundred twenty.
Scientific notation
- Scientific notation: 8.269142 × 107
Factors of 82691420
Divisors of 82691420
- Number of divisors d(n): 72
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Complete list of divisors:
1 2 4 5 7 10 14 19 20 28 35 38 49 70 76 95 98 133 140 190 196 245 266 380 490 532 665 931 980 1330 1862 2660 3724 4441 4655 8882 9310 17764 18620 22205 31087 44410 62174 84379 88820 124348 155435 168758 217609 310870 337516 421895 435218 590653 621740 843790 870436 1088045 1181306 1687580 2176090 2362612 2953265 4134571 4352180 5906530 8269142 11813060 16538284 20672855 41345710 82691420
- Sum of all divisors σ(n): 212682960
- Sum of proper divisors (its aliquot sum) s(n): 129991540
- 82691420 is an abundant number, because the sum of its proper divisors (129991540) is greater than itself. Its abundance is 47300120
Bases of 82691420
- Binary: 1001110110111000101010111002
- Hexadecimal: 0x4EDC55C
- Base-36: 1D8D3W
Squares and roots of 82691420
- 82691420 squared (826914202) is 6837870941616400
- 82691420 cubed (826914203) is 565433257938997211288000
-
The
square root of 82691420 is 9093.4822812827 -
The
cube root of 82691420 is 435.6658143953
Scales and comparisons
How big is 82691420?- 82,691,420 seconds is equal to 2 years, 32 weeks, 5 days, 1 hour, 50 minutes, 20 seconds.
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To count from 1 to 82,691,420 would take you about three 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 82691420 cubic inches would be around 36.3 feet tall.
Recreational maths with 82691420
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