85309072990
85,309,072,990 is an even composite number composed of seven prime numbers multiplied together.
85309072990 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of one hundred twenty-eight divisors.
Prime factorization of 85309072990:
2 × 5 × 19 × 23 × 43 × 89 × 5101
See below for interesting mathematical facts about the number 85309072990 from the Numbermatics database.
Names of 85309072990
- Cardinal: 85309072990 can be written as Eighty-five billion, three hundred nine million, seventy-two thousand, nine hundred ninety.
Scientific notation
- Scientific notation: 8.530907299 × 1010
Factors of 85309072990
Divisors of 85309072990
- Number of divisors d(n): 128
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Complete list of divisors:
1 2 5 10 19 23 38 43 46 86 89 95 115 178 190 215 230 430 437 445 817 874 890 989 1634 1691 1978 2047 2185 3382 3827 4085 4094 4370 4945 5101 7654 8170 8455 9890 10202 10235 16910 18791 19135 20470 25505 37582 38270 38893 51010 72713 77786 88021 93955 96919 117323 145426 176042 187910 193838 194465 219343 234646 363565 388930 438686 440105 453989 484595 586615 727130 880210 907978 969190 1096715 1173230 1672399 2193430 2229137 2269945 3344798 4167517 4458274 4539890 5044889 8335034 8361995 8625791 10089778 10441747 11145685 16723990 17251582 19521527 20837585 20883494 22291370 25224445 39043054 41675170 43128955 50448890 52208735 86257910 95852891 97607635 104417470 191705782 195215270 198393193 370909013 396786386 448995121 479264455 741818026 897990242 958528910 991965965 1854545065 1983931930 2244975605 3709090130 4489951210 8530907299 17061814598 42654536495 85309072990
- Sum of all divisors σ(n): 174561868800
- Sum of proper divisors (its aliquot sum) s(n): 89252795810
- 85309072990 is an abundant number, because the sum of its proper divisors (89252795810) is greater than itself. Its abundance is 3943722820
Bases of 85309072990
- Binary: 10011110111001101000100100110010111102
- Hexadecimal: 0x13DCD1265E
- Base-36: 136UTHZY
Squares and roots of 85309072990
- 85309072990 squared (853090729902) is 7277637934413147540100
- 85309072990 cubed (853090729903) is 620848545741644036314029851899000
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The
square root of 85309072990 is 292077.1695802327 -
The
cube root of 85309072990 is 4402.1524074777
Scales and comparisons
How big is 85309072990?- 85,309,072,990 seconds is equal to 2,712 years, 29 weeks, 2 days, 12 hours, 43 minutes, 10 seconds.
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To count from 1 to 85,309,072,990 would take you about five thousand, four hundred twenty-five 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 85309072990 cubic inches would be around 366.8 feet tall.
Recreational maths with 85309072990
- 85309072990 backwards is 09927090358
- The number of decimal digits it has is: 11
- The sum of 85309072990's digits is 52
- More coming soon!
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