16808947389
16,808,947,389 is an odd composite number composed of three prime numbers multiplied together.
What does the number 16808947389 look like?
This visualization shows the relationship between its 3 prime factors (large circles) and 56 divisors.
16808947389 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of fifty-six divisors.
Prime factorization of 16808947389:
313 × 13 × 811
(3 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 13 × 811)See below for interesting mathematical facts about the number 16808947389 from the Numbermatics database.
Names of 16808947389
- Cardinal: 16808947389 can be written as Sixteen billion, eight hundred eight million, nine hundred forty-seven thousand, three hundred eighty-nine.
Scientific notation
- Scientific notation: 1.6808947389 × 1010
Factors of 16808947389
Divisors of 16808947389
- Number of divisors d(n): 56
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Complete list of divisors:
1 3 9 13 27 39 81 117 243 351 729 811 1053 2187 2433 3159 6561 7299 9477 10543 19683 21897 28431 31629 59049 65691 85293 94887 177147 197073 255879 284661 531441 591219 767637 853983 1594323 1773657 2302911 2561949 5320971 6908733 7685847 15962913 20726199 23057541 47888739 69172623 143666217 207517869 430998651 622553607 1292995953 1867660821 5602982463 16808947389
- Sum of all divisors σ(n): 27186390112
- Sum of proper divisors (its aliquot sum) s(n): 10377442723
- 16808947389 is a deficient number, because the sum of its proper divisors (10377442723) is less than itself. Its deficiency is 6431504666
Bases of 16808947389
- Binary: 11111010011110010000101110101111012
- Hexadecimal: 0x3E9E42EBD
- Base-36: 7PZM2T9
Squares and roots of 16808947389
- 16808947389 squared (168089473892) is 282540712326169917321
- 16808947389 cubed (168089473893) is 4749211968741173948123168824869
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The
square root of 16808947389 is 129649.3246762203 -
The
cube root of 16808947389 is 2561.6129254691
Scales and comparisons
How big is 16808947389?- 16,808,947,389 seconds is equal to 534 years, 24 weeks, 4 days, 3 minutes, 9 seconds.
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To count from 1 to 16,808,947,389 would take you about one thousand and sixty-eight 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 16808947389 cubic inches would be around 213.5 feet tall.
Recreational maths with 16808947389
- 16808947389 backwards is 98374980861
- The number of decimal digits it has is: 11
- The sum of 16808947389's digits is 63
- More coming soon!
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