16401357981
16,401,357,981 is an odd composite number composed of four prime numbers multiplied together.
16401357981 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of forty divisors.
Prime factorization of 16401357981:
34 × 61 × 1093 × 3037
(3 × 3 × 3 × 3 × 61 × 1093 × 3037)See below for interesting mathematical facts about the number 16401357981 from the Numbermatics database.
Names of 16401357981
- Cardinal: 16401357981 can be written as Sixteen billion, four hundred one million, three hundred fifty-seven thousand, nine hundred eighty-one.
Scientific notation
- Scientific notation: 1.6401357981 × 1010
Factors of 16401357981
Divisors of 16401357981
- Number of divisors d(n): 40
- Complete list of divisors:
- Sum of all divisors σ(n): 24933437144
- Sum of proper divisors (its aliquot sum) s(n): 8532079163
- 16401357981 is a deficient number, because the sum of its proper divisors (8532079163) is less than itself. Its deficiency is 7869278818
Bases of 16401357981
- Binary: 11110100011001100011011100100111012
- Hexadecimal: 0x3D198DC9D
- Base-36: 7J8Y0T9
Squares and roots of 16401357981
- 16401357981 squared (164013579812) is 269004543620912396361
- 16401357981 cubed (164013579813) is 4412039818442114170557322707141
-
The
square root of 16401357981 is 128067.7866639381 -
The
cube root of 16401357981 is 2540.7383092015
Scales and comparisons
How big is 16401357981?- 16,401,357,981 seconds is equal to 521 years, 26 weeks, 4 days, 12 hours, 46 minutes, 21 seconds.
-
To count from 1 to 16,401,357,981 would take you about one thousand and forty-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 16401357981 cubic inches would be around 211.7 feet tall.
Recreational maths with 16401357981
- 16401357981 backwards is 18975310461
- The number of decimal digits it has is: 11
- The sum of 16401357981's digits is 45
- More coming soon!
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The information we have on file for 16401357981 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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