85142860
85,142,860 is an even composite number composed of five prime numbers multiplied together.
85142860 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 85142860:
22 × 5 × 112 × 151 × 233
(2 × 2 × 5 × 11 × 11 × 151 × 233)See below for interesting mathematical facts about the number 85142860 from the Numbermatics database.
Names of 85142860
- Cardinal: 85142860 can be written as Eighty-five million, one hundred forty-two thousand, eight hundred sixty.
Scientific notation
- Scientific notation: 8.514286 × 107
Factors of 85142860
Divisors of 85142860
- Number of divisors d(n): 72
-
Complete list of divisors:
1 2 4 5 10 11 20 22 44 55 110 121 151 220 233 242 302 466 484 604 605 755 932 1165 1210 1510 1661 2330 2420 2563 3020 3322 4660 5126 6644 8305 10252 12815 16610 18271 25630 28193 33220 35183 36542 51260 56386 70366 73084 91355 112772 140732 140965 175915 182710 281930 351830 365420 387013 563860 703660 774026 1548052 1935065 3870130 4257143 7740260 8514286 17028572 21285715 42571430 85142860
- Sum of all divisors σ(n): 198682848
- Sum of proper divisors (its aliquot sum) s(n): 113539988
- 85142860 is an abundant number, because the sum of its proper divisors (113539988) is greater than itself. Its abundance is 28397128
Bases of 85142860
- Binary: 1010001001100101101010011002
- Hexadecimal: 0x5132D4C
- Base-36: 1EOWNG
Squares and roots of 85142860
- 85142860 squared (851428602) is 7249306608979600
- 85142860 cubed (851428603) is 617226697705424825656000
-
The
square root of 85142860 is 9227.2888759377 -
The
cube root of 85142860 is 439.9291552607
Scales and comparisons
How big is 85142860?- 85,142,860 seconds is equal to 2 years, 36 weeks, 5 days, 10 hours, 47 minutes, 40 seconds.
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To count from 1 to 85,142,860 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 85142860 cubic inches would be around 36.7 feet tall.
Recreational maths with 85142860
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