121351390721
121,351,390,721 is an odd composite number composed of five prime numbers multiplied together.
What does the number 121351390721 look like?
This visualization shows the relationship between its 5 prime factors (large circles) and 48 divisors.
121351390721 is an odd composite number. It is composed of five distinct prime numbers multiplied together. It has a total of forty-eight divisors.
Prime factorization of 121351390721:
11 × 312 × 61 × 307 × 613
(11 × 31 × 31 × 61 × 307 × 613)See below for interesting mathematical facts about the number 121351390721 from the Numbermatics database.
Names of 121351390721
- Cardinal: 121351390721 can be written as One hundred twenty-one billion, three hundred fifty-one million, three hundred ninety thousand, seven hundred twenty-one.
Scientific notation
- Scientific notation: 1.21351390721 × 1011
Factors of 121351390721
Divisors of 121351390721
- Number of divisors d(n): 48
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Complete list of divisors:
1 11 31 61 307 341 613 671 961 1891 3377 6743 9517 10571 18727 19003 20801 37393 58621 104687 188191 205997 209033 295027 411323 580537 589093 644831 1159183 2070101 3245297 5833921 6385907 6480023 11479651 12751013 17996647 35934673 64173131 126276161 180851551 197963117 355869181 395281403 1989367061 3914560991 11031944611 121351390721
- Sum of all divisors σ(n): 139714432704
- Sum of proper divisors (its aliquot sum) s(n): 18363041983
- 121351390721 is a deficient number, because the sum of its proper divisors (18363041983) is less than itself. Its deficiency is 102988348738
Bases of 121351390721
- Binary: 11100010000010001101101000110000000012
- Hexadecimal: 0x1C411B4601
- Base-36: 1JQXHGCH
Squares and roots of 121351390721
- 121351390721 squared (1213513907212) is 14726160029920804899841
- 121351390721 cubed (1213513907213) is 1787039999610892646087416461775361
-
The
square root of 121351390721 is 348355.2650972855 -
The
cube root of 121351390721 is 4950.8707201545
Scales and comparisons
How big is 121351390721?- 121,351,390,721 seconds is equal to 3,858 years, 31 weeks, 23 hours, 38 minutes, 41 seconds.
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To count from 1 to 121,351,390,721 would take you about seven thousand, seven hundred seventeen 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 121351390721 cubic inches would be around 412.6 feet tall.
Recreational maths with 121351390721
- 121351390721 backwards is 127093153121
- The number of decimal digits it has is: 12
- The sum of 121351390721's digits is 35
- More coming soon!
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The information we have on file for 121351390721 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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