13893973821
13,893,973,821 is an odd composite number composed of four prime numbers multiplied together.
13893973821 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of eighty divisors.
Prime factorization of 13893973821:
39 × 7 × 13 × 7757
(3 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 7 × 13 × 7757)See below for interesting mathematical facts about the number 13893973821 from the Numbermatics database.
Names of 13893973821
- Cardinal: 13893973821 can be written as Thirteen billion, eight hundred ninety-three million, nine hundred seventy-three thousand, eight hundred twenty-one.
Scientific notation
- Scientific notation: 1.3893973821 × 1010
Factors of 13893973821
Divisors of 13893973821
- Number of divisors d(n): 80
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Complete list of divisors:
1 3 7 9 13 21 27 39 63 81 91 117 189 243 273 351 567 729 819 1053 1701 2187 2457 3159 5103 6561 7371 7757 9477 15309 19683 22113 23271 28431 45927 54299 66339 69813 85293 100841 137781 162897 199017 209439 255879 302523 488691 597051 628317 705887 907569 1466073 1791153 1884951 2117661 2722707 4398219 5654853 6352983 8168121 13194657 16964559 19058949 24504363 39583971 50893677 57176847 73513089 118751913 152681031 171530541 220539267 356255739 514591623 661617801 1068767217 1543774869 1984853403 4631324607 13893973821
- Sum of all divisors σ(n): 25653285504
- Sum of proper divisors (its aliquot sum) s(n): 11759311683
- 13893973821 is a deficient number, because the sum of its proper divisors (11759311683) is less than itself. Its deficiency is 2134662138
Bases of 13893973821
- Binary: 11001111000010010100110111001111012
- Hexadecimal: 0x33C25373D
- Base-36: 6DS42T9
Squares and roots of 13893973821
- 13893973821 squared (138939738212) is 193042508538633340041
- 13893973821 cubed (138939738213) is 2682127559975940593647445066661
-
The
square root of 13893973821 is 117872.7017633855 -
The
cube root of 13893973821 is 2404.0425976991
Scales and comparisons
How big is 13893973821?- 13,893,973,821 seconds is equal to 441 years, 40 weeks, 5 days, 21 hours, 10 minutes, 21 seconds.
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To count from 1 to 13,893,973,821 would take you about eight hundred eighty-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 13893973821 cubic inches would be around 200.3 feet tall.
Recreational maths with 13893973821
- 13893973821 backwards is 12837939831
- The number of decimal digits it has is: 11
- The sum of 13893973821's digits is 54
- More coming soon!
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