389412972
389,412,972 is an even composite number composed of four prime numbers multiplied together.
389412972 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of thirty-six divisors.
Prime factorization of 389412972:
22 × 32 × 13 × 832079
(2 × 2 × 3 × 3 × 13 × 832079)See below for interesting mathematical facts about the number 389412972 from the Numbermatics database.
Names of 389412972
- Cardinal: 389412972 can be written as Three hundred eighty-nine million, four hundred twelve thousand, nine hundred seventy-two.
Scientific notation
- Scientific notation: 3.89412972 × 108
Factors of 389412972
Divisors of 389412972
- Number of divisors d(n): 36
- Complete list of divisors:
- Sum of all divisors σ(n): 1060069920
- Sum of proper divisors (its aliquot sum) s(n): 670656948
- 389412972 is an abundant number, because the sum of its proper divisors (670656948) is greater than itself. Its abundance is 281243976
Bases of 389412972
- Binary: 101110011010111111000011011002
- Hexadecimal: 0x1735F86C
- Base-36: 6FUGZ0
Squares and roots of 389412972
- 389412972 squared (3894129722) is 151642462761872784
- 389412972 cubed (3894129723) is 59051542105500209103354048
-
The
square root of 389412972 is 19733.5494019703 -
The
cube root of 389412972 is 730.2475997533
Scales and comparisons
How big is 389412972?- 389,412,972 seconds is equal to 12 years, 19 weeks, 6 days, 2 hours, 16 minutes, 12 seconds.
-
To count from 1 to 389,412,972 would take you about eighteen 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 389412972 cubic inches would be around 60.9 feet tall.
Recreational maths with 389412972
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