80856420
80,856,420 is an even composite number composed of five prime numbers multiplied together.
80856420 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 80856420:
22 × 3 × 5 × 172 × 4663
(2 × 2 × 3 × 5 × 17 × 17 × 4663)See below for interesting mathematical facts about the number 80856420 from the Numbermatics database.
Names of 80856420
- Cardinal: 80856420 can be written as Eighty million, eight hundred fifty-six thousand, four hundred twenty.
Scientific notation
- Scientific notation: 8.085642 × 107
Factors of 80856420
Divisors of 80856420
- Number of divisors d(n): 72
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Complete list of divisors:
1 2 3 4 5 6 10 12 15 17 20 30 34 51 60 68 85 102 170 204 255 289 340 510 578 867 1020 1156 1445 1734 2890 3468 4335 4663 5780 8670 9326 13989 17340 18652 23315 27978 46630 55956 69945 79271 93260 139890 158542 237813 279780 317084 396355 475626 792710 951252 1189065 1347607 1585420 2378130 2695214 4042821 4756260 5390428 6738035 8085642 13476070 16171284 20214105 26952140 40428210 80856420
- Sum of all divisors σ(n): 240550464
- Sum of proper divisors (its aliquot sum) s(n): 159694044
- 80856420 is an abundant number, because the sum of its proper divisors (159694044) is greater than itself. Its abundance is 78837624
Bases of 80856420
- Binary: 1001101000111000101011001002
- Hexadecimal: 0x4D1C564
- Base-36: 1C517O
Squares and roots of 80856420
- 80856420 squared (808564202) is 6537760655216400
- 80856420 cubed (808564203) is 528619921397652429288000
-
The
square root of 80856420 is 8992.0197953519 -
The
cube root of 80856420 is 432.4190677971
Scales and comparisons
How big is 80856420?- 80,856,420 seconds is equal to 2 years, 29 weeks, 4 days, 20 hours, 7 minutes.
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To count from 1 to 80,856,420 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 80856420 cubic inches would be around 36 feet tall.
Recreational maths with 80856420
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