20648625
20,648,625 is an odd composite number composed of five prime numbers multiplied together.
20648625 is an odd composite number. It is composed of five distinct prime numbers multiplied together. It has a total of sixty-four divisors.
Prime factorization of 20648625:
3 × 53 × 17 × 41 × 79
(3 × 5 × 5 × 5 × 17 × 41 × 79)See below for interesting mathematical facts about the number 20648625 from the Numbermatics database.
Names of 20648625
- Cardinal: 20648625 can be written as Twenty million, six hundred forty-eight thousand, six hundred twenty-five.
Scientific notation
- Scientific notation: 2.0648625 × 107
Factors of 20648625
Divisors of 20648625
- Number of divisors d(n): 64
-
Complete list of divisors:
1 3 5 15 17 25 41 51 75 79 85 123 125 205 237 255 375 395 425 615 697 1025 1185 1275 1343 1975 2091 2125 3075 3239 3485 4029 5125 5925 6375 6715 9717 9875 10455 15375 16195 17425 20145 29625 33575 48585 52275 55063 80975 87125 100725 165189 167875 242925 261375 275315 404875 503625 825945 1214625 1376575 4129725 6882875 20648625
- Sum of all divisors σ(n): 37739520
- Sum of proper divisors (its aliquot sum) s(n): 17090895
- 20648625 is a deficient number, because the sum of its proper divisors (17090895) is less than itself. Its deficiency is 3557730
Bases of 20648625
- Binary: 10011101100010010101100012
- Hexadecimal: 0x13B12B1
- Base-36: CAKKX
Squares and roots of 20648625
- 20648625 squared (206486252) is 426365714390625
- 20648625 cubed (206486253) is 8803865749309119140625
-
The
square root of 20648625 is 4544.0758136281 -
The
cube root of 20648625 is 274.3449976101
Scales and comparisons
How big is 20648625?- 20,648,625 seconds is equal to 34 weeks, 23 hours, 43 minutes, 45 seconds.
-
To count from 1 to 20,648,625 would take you about fifty-one weeks!
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 20648625 cubic inches would be around 22.9 feet tall.
Recreational maths with 20648625
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