972421981
972,421,981 is an odd composite number composed of four prime numbers multiplied together.
972421981 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixteen divisors.
Prime factorization of 972421981:
17 × 31 × 79 × 23357
See below for interesting mathematical facts about the number 972421981 from the Numbermatics database.
Names of 972421981
- Cardinal: 972421981 can be written as Nine hundred seventy-two million, four hundred twenty-one thousand, nine hundred eighty-one.
Scientific notation
- Scientific notation: 9.72421981 × 108
Factors of 972421981
Divisors of 972421981
- Number of divisors d(n): 16
- Complete list of divisors:
- Sum of all divisors σ(n): 1076336640
- Sum of proper divisors (its aliquot sum) s(n): 103914659
- 972421981 is a deficient number, because the sum of its proper divisors (103914659) is less than itself. Its deficiency is 868507322
Bases of 972421981
- Binary: 1110011111010111111011010111012
- Hexadecimal: 0x39F5FB5D
- Base-36: G2YDLP
Squares and roots of 972421981
- 972421981 squared (9724219812) is 945604509131964361
- 972421981 cubed (9724219813) is 919526610012637374345019141
-
The
square root of 972421981 is 31183.6813253343 -
The
cube root of 972421981 is 990.7215027523
Scales and comparisons
How big is 972421981?- 972,421,981 seconds is equal to 30 years, 47 weeks, 5 days, 21 hours, 13 minutes, 1 second.
-
To count from 1 to 972,421,981 would take you about forty-six 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 972421981 cubic inches would be around 82.6 feet tall.
Recreational maths with 972421981
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