81460125
81,460,125 is an odd composite number composed of five prime numbers multiplied together.
81460125 is an odd composite number. It is composed of five distinct prime numbers multiplied together. It has a total of ninety-six divisors.
Prime factorization of 81460125:
32 × 53 × 19 × 37 × 103
(3 × 3 × 5 × 5 × 5 × 19 × 37 × 103)See below for interesting mathematical facts about the number 81460125 from the Numbermatics database.
Names of 81460125
- Cardinal: 81460125 can be written as Eighty-one million, four hundred sixty thousand, one hundred twenty-five.
Scientific notation
- Scientific notation: 8.1460125 × 107
Factors of 81460125
Divisors of 81460125
- Number of divisors d(n): 96
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Complete list of divisors:
1 3 5 9 15 19 25 37 45 57 75 95 103 111 125 171 185 225 285 309 333 375 475 515 555 703 855 925 927 1125 1425 1545 1665 1957 2109 2375 2575 2775 3515 3811 4275 4625 4635 5871 6327 7125 7725 8325 9785 10545 11433 12875 13875 17575 17613 19055 21375 23175 29355 31635 34299 38625 41625 48925 52725 57165 72409 87875 88065 95275 115875 146775 158175 171495 217227 244625 263625 285825 362045 440325 476375 651681 733875 790875 857475 1086135 1429125 1810225 2201625 3258405 4287375 5430675 9051125 16292025 27153375 81460125
- Sum of all divisors σ(n): 160293120
- Sum of proper divisors (its aliquot sum) s(n): 78832995
- 81460125 is a deficient number, because the sum of its proper divisors (78832995) is less than itself. Its deficiency is 2627130
Bases of 81460125
- Binary: 1001101101011111011100111012
- Hexadecimal: 0x4DAFB9D
- Base-36: 1CHZ19
Squares and roots of 81460125
- 81460125 squared (814601252) is 6635751965015625
- 81460125 cubed (814601253) is 540549184539168439453125
-
The
square root of 81460125 is 9025.5263004437 -
The
cube root of 81460125 is 433.4926025325
Scales and comparisons
How big is 81460125?- 81,460,125 seconds is equal to 2 years, 30 weeks, 4 days, 19 hours, 48 minutes, 45 seconds.
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To count from 1 to 81,460,125 would take you about three 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 81460125 cubic inches would be around 36.1 feet tall.
Recreational maths with 81460125
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