85398820
85,398,820 is an even composite number composed of five prime numbers multiplied together.
85398820 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 85398820:
22 × 5 × 13 × 17 × 1392
(2 × 2 × 5 × 13 × 17 × 139 × 139)See below for interesting mathematical facts about the number 85398820 from the Numbermatics database.
Names of 85398820
- Cardinal: 85398820 can be written as Eighty-five million, three hundred ninety-eight thousand, eight hundred twenty.
Scientific notation
- Scientific notation: 8.539882 × 107
Factors of 85398820
Divisors of 85398820
- Number of divisors d(n): 72
-
Complete list of divisors:
1 2 4 5 10 13 17 20 26 34 52 65 68 85 130 139 170 221 260 278 340 442 556 695 884 1105 1390 1807 2210 2363 2780 3614 4420 4726 7228 9035 9452 11815 18070 19321 23630 30719 36140 38642 47260 61438 77284 96605 122876 153595 193210 251173 307190 328457 386420 502346 614380 656914 1004692 1255865 1313828 1642285 2511730 3284570 4269941 5023460 6569140 8539882 17079764 21349705 42699410 85398820
- Sum of all divisors σ(n): 205975224
- Sum of proper divisors (its aliquot sum) s(n): 120576404
- 85398820 is an abundant number, because the sum of its proper divisors (120576404) is greater than itself. Its abundance is 35177584
Bases of 85398820
- Binary: 1010001011100010101001001002
- Hexadecimal: 0x5171524
- Base-36: 1EUE5G
Squares and roots of 85398820
- 85398820 squared (853988202) is 7292958457392400
- 85398820 cubed (853988203) is 622810046570331236968000
-
The
square root of 85398820 is 9241.1481970587 -
The
cube root of 85398820 is 440.3695586645
Scales and comparisons
How big is 85398820?- 85,398,820 seconds is equal to 2 years, 37 weeks, 1 day, 9 hours, 53 minutes, 40 seconds.
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To count from 1 to 85,398,820 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 85398820 cubic inches would be around 36.7 feet tall.
Recreational maths with 85398820
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