86420490
86,420,490 is an even composite number composed of six prime numbers multiplied together.
86420490 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 86420490:
2 × 3 × 5 × 13 × 71 × 3121
See below for interesting mathematical facts about the number 86420490 from the Numbermatics database.
Names of 86420490
- Cardinal: 86420490 can be written as Eighty-six million, four hundred twenty thousand, four hundred ninety.
Scientific notation
- Scientific notation: 8.642049 × 107
Factors of 86420490
Divisors of 86420490
- Number of divisors d(n): 64
-
Complete list of divisors:
1 2 3 5 6 10 13 15 26 30 39 65 71 78 130 142 195 213 355 390 426 710 923 1065 1846 2130 2769 3121 4615 5538 6242 9230 9363 13845 15605 18726 27690 31210 40573 46815 81146 93630 121719 202865 221591 243438 405730 443182 608595 664773 1107955 1217190 1329546 2215910 2880683 3323865 5761366 6647730 8642049 14403415 17284098 28806830 43210245 86420490
- Sum of all divisors σ(n): 226582272
- Sum of proper divisors (its aliquot sum) s(n): 140161782
- 86420490 is an abundant number, because the sum of its proper divisors (140161782) is greater than itself. Its abundance is 53741292
Bases of 86420490
- Binary: 1010010011010101100000010102
- Hexadecimal: 0x526AC0A
- Base-36: 1FGAH6
Squares and roots of 86420490
- 86420490 squared (864204902) is 7468501091840100
- 86420490 cubed (864204903) is 645431523922356443649000
-
The
square root of 86420490 is 9296.2621520695 -
The
cube root of 86420490 is 442.1187242067
Scales and comparisons
How big is 86420490?- 86,420,490 seconds is equal to 2 years, 38 weeks, 6 days, 5 hours, 41 minutes, 30 seconds.
-
To count from 1 to 86,420,490 would take you about four 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 86420490 cubic inches would be around 36.8 feet tall.
Recreational maths with 86420490
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