80721013989
80,721,013,989 is an odd composite number composed of six prime numbers multiplied together.
80721013989 is an odd composite number. It is composed of six distinct prime numbers multiplied together. It has a total of sixty-four divisors.
Prime factorization of 80721013989:
3 × 7 × 11 × 29 × 367 × 32833
See below for interesting mathematical facts about the number 80721013989 from the Numbermatics database.
Names of 80721013989
- Cardinal: 80721013989 can be written as Eighty billion, seven hundred twenty-one million, thirteen thousand, nine hundred eighty-nine.
Scientific notation
- Scientific notation: 8.0721013989 × 1010
Factors of 80721013989
Divisors of 80721013989
- Number of divisors d(n): 64
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Complete list of divisors:
1 3 7 11 21 29 33 77 87 203 231 319 367 609 957 1101 2233 2569 4037 6699 7707 10643 12111 28259 31929 32833 74501 84777 98499 117073 223503 229831 351219 361163 689493 819511 952157 1083489 2458533 2528141 2856471 6665099 7584423 10473727 12049711 19995297 31421181 36149133 73316089 84347977 132546821 219948267 253043931 349441619 397640463 927827747 1048324857 2446091333 2783483241 3843857809 7338273999 11531573427 26907004663 80721013989
- Sum of all divisors σ(n): 139195146240
- Sum of proper divisors (its aliquot sum) s(n): 58474132251
- 80721013989 is a deficient number, because the sum of its proper divisors (58474132251) is less than itself. Its deficiency is 22246881738
Bases of 80721013989
- Binary: 10010110010110101100011101100111001012
- Hexadecimal: 0x12CB58ECE5
- Base-36: 112Z7H0L
Squares and roots of 80721013989
- 80721013989 squared (807210139892) is 6515882099412333692121
- 80721013989 cubed (807210139893) is 525968610097337676640835260080669
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The
square root of 80721013989 is 284114.4381917259 -
The
cube root of 80721013989 is 4321.7754974069
Scales and comparisons
How big is 80721013989?- 80,721,013,989 seconds is equal to 2,566 years, 35 weeks, 1 day, 23 hours, 53 minutes, 9 seconds.
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To count from 1 to 80,721,013,989 would take you about five thousand, one hundred thirty-three 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 80721013989 cubic inches would be around 360.1 feet tall.
Recreational maths with 80721013989
- 80721013989 backwards is 98931012708
- The number of decimal digits it has is: 11
- The sum of 80721013989's digits is 48
- More coming soon!
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The information we have on file for 80721013989 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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