87990028
87,990,028 is an even composite number composed of six prime numbers multiplied together.
87990028 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of ninety-six divisors.
Prime factorization of 87990028:
22 × 7 × 17 × 31 × 67 × 89
(2 × 2 × 7 × 17 × 31 × 67 × 89)See below for interesting mathematical facts about the number 87990028 from the Numbermatics database.
Names of 87990028
- Cardinal: 87990028 can be written as Eighty-seven million, nine hundred ninety thousand and twenty-eight.
Scientific notation
- Scientific notation: 8.7990028 × 107
Factors of 87990028
Divisors of 87990028
- Number of divisors d(n): 96
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Complete list of divisors:
1 2 4 7 14 17 28 31 34 62 67 68 89 119 124 134 178 217 238 268 356 434 469 476 527 623 868 938 1054 1139 1246 1513 1876 2077 2108 2278 2492 2759 3026 3689 4154 4556 5518 5963 6052 7378 7973 8308 10591 11036 11926 14539 14756 15946 19313 21182 23852 29078 31892 35309 38626 41741 42364 46903 58156 70618 77252 83482 93806 101371 141236 166964 184853 187612 202742 247163 328321 369706 405484 494326 656642 709597 739412 988652 1293971 1313284 1419194 2587942 2838388 3142501 5175884 6285002 12570004 21997507 43995014 87990028
- Sum of all divisors σ(n): 197406720
- Sum of proper divisors (its aliquot sum) s(n): 109416692
- 87990028 is an abundant number, because the sum of its proper divisors (109416692) is greater than itself. Its abundance is 21426664
Bases of 87990028
- Binary: 1010011111010011111000011002
- Hexadecimal: 0x53E9F0C
- Base-36: 1GDXJG
Squares and roots of 87990028
- 87990028 squared (879900282) is 7742245027440784
- 87990028 cubed (879900283) is 681240356747375352501952
-
The
square root of 87990028 is 9380.2999952027 -
The
cube root of 87990028 is 444.7792163205
Scales and comparisons
How big is 87990028?- 87,990,028 seconds is equal to 2 years, 41 weeks, 3 days, 9 hours, 40 minutes, 28 seconds.
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To count from 1 to 87,990,028 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 87990028 cubic inches would be around 37.1 feet tall.
Recreational maths with 87990028
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