7972131321
7,972,131,321 is an odd composite number composed of five prime numbers multiplied together.
7972131321 is an odd composite number. It is composed of five distinct prime numbers multiplied together. It has a total of sixty-four divisors.
Prime factorization of 7972131321:
33 × 7 × 11 × 19 × 201821
(3 × 3 × 3 × 7 × 11 × 19 × 201821)See below for interesting mathematical facts about the number 7972131321 from the Numbermatics database.
Names of 7972131321
- Cardinal: 7972131321 can be written as Seven billion, nine hundred seventy-two million, one hundred thirty-one thousand, three hundred twenty-one.
Scientific notation
- Scientific notation: 7.972131321 × 109
Factors of 7972131321
Divisors of 7972131321
- Number of divisors d(n): 64
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Complete list of divisors:
1 3 7 9 11 19 21 27 33 57 63 77 99 133 171 189 209 231 297 399 513 627 693 1197 1463 1881 2079 3591 4389 5643 13167 39501 201821 605463 1412747 1816389 2220031 3834599 4238241 5449167 6660093 11503797 12714723 15540217 19980279 26842193 34511391 38144169 42180589 46620651 59940837 80526579 103534173 126541767 139861953 241579737 295264123 379625301 419585859 724739211 885792369 1138875903 2657377107 7972131321
- Sum of all divisors σ(n): 15499929600
- Sum of proper divisors (its aliquot sum) s(n): 7527798279
- 7972131321 is a deficient number, because the sum of its proper divisors (7527798279) is less than itself. Its deficiency is 444333042
Bases of 7972131321
- Binary: 1110110110010110100010001111110012
- Hexadecimal: 0x1DB2D11F9
- Base-36: 3NUEFW9
Squares and roots of 7972131321
- 7972131321 squared (79721313212) is 63554877799269205041
- 7972131321 cubed (79721313213) is 506667831905881580418127189161
-
The
square root of 7972131321 is 89286.7925339465 -
The
cube root of 7972131321 is 1997.6749081047
Scales and comparisons
How big is 7972131321?- 7,972,131,321 seconds is equal to 253 years, 25 weeks, 3 days, 55 minutes, 21 seconds.
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To count from 1 to 7,972,131,321 would take you about five hundred six 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 7972131321 cubic inches would be around 166.5 feet tall.
Recreational maths with 7972131321
- 7972131321 backwards is 1231312797
- The number of decimal digits it has is: 10
- The sum of 7972131321's digits is 36
- More coming soon!
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