72009989440
72,009,989,440 is an even composite number composed of three prime numbers multiplied together.
What does the number 72009989440 look like?
This visualization shows the relationship between its 3 prime factors (large circles) and 28 divisors.
72009989440 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twenty-eight divisors.
Prime factorization of 72009989440:
26 × 5 × 225031217
(2 × 2 × 2 × 2 × 2 × 2 × 5 × 225031217)See below for interesting mathematical facts about the number 72009989440 from the Numbermatics database.
Names of 72009989440
- Cardinal: 72009989440 can be written as Seventy-two billion, nine million, nine hundred eighty-nine thousand, four hundred forty.
Scientific notation
- Scientific notation: 7.200998944 × 1010
Factors of 72009989440
Divisors of 72009989440
- Number of divisors d(n): 28
- Complete list of divisors:
- Sum of all divisors σ(n): 171473788116
- Sum of proper divisors (its aliquot sum) s(n): 99463798676
- 72009989440 is an abundant number, because the sum of its proper divisors (99463798676) is greater than itself. Its abundance is 27453809236
Bases of 72009989440
- Binary: 10000110001000010000100111101010000002
- Hexadecimal: 0x10C4213D40
- Base-36: X2WVZGG
Squares and roots of 72009989440
- 72009989440 squared (720099894402) is 5185438579148911513600
- 72009989440 cubed (720099894403) is 373403377326281722281830416384000
-
The
square root of 72009989440 is 268346.7708767891 -
The
cube root of 72009989440 is 4160.3600341747
Scales and comparisons
How big is 72009989440?- 72,009,989,440 seconds is equal to 2,289 years, 36 weeks, 22 hours, 50 minutes, 40 seconds.
-
To count from 1 to 72,009,989,440 would take you about four thousand, five hundred seventy-nine 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 72009989440 cubic inches would be around 346.7 feet tall.
Recreational maths with 72009989440
- 72009989440 backwards is 04498990027
- The number of decimal digits it has is: 11
- The sum of 72009989440's digits is 52
- More coming soon!
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