82143366921
82,143,366,921 is an odd composite number composed of four prime numbers multiplied together.
82143366921 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 82143366921:
35 × 7 × 112 × 399101
(3 × 3 × 3 × 3 × 3 × 7 × 11 × 11 × 399101)See below for interesting mathematical facts about the number 82143366921 from the Numbermatics database.
Names of 82143366921
- Cardinal: 82143366921 can be written as Eighty-two billion, one hundred forty-three million, three hundred sixty-six thousand, nine hundred twenty-one.
Scientific notation
- Scientific notation: 8.2143366921 × 1010
Factors of 82143366921
Divisors of 82143366921
- Number of divisors d(n): 72
-
Complete list of divisors:
1 3 7 9 11 21 27 33 63 77 81 99 121 189 231 243 297 363 567 693 847 891 1089 1701 2079 2541 2673 3267 6237 7623 9801 18711 22869 29403 68607 205821 399101 1197303 2793707 3591909 4390111 8381121 10775727 13170333 25143363 30730777 32327181 39510999 48291221 75430089 92192331 96981543 118532997 144873663 226290267 276576993 338038547 355598991 434620989 678870801 829730979 1014115641 1066796973 1303862967 2489192937 3042346923 3911588901 7467578811 9127040769 11734766703 27381122307 82143366921
- Sum of all divisors σ(n): 154570608192
- Sum of proper divisors (its aliquot sum) s(n): 72427241271
- 82143366921 is a deficient number, because the sum of its proper divisors (72427241271) is less than itself. Its deficiency is 9716125650
Bases of 82143366921
- Binary: 10011001000000010000001001111000010012
- Hexadecimal: 0x1320204F09
- Base-36: 11QI1FK9
Squares and roots of 82143366921
- 82143366921 squared (821433669212) is 6747532729118037020241
- 82143366921 cubed (821433669213) is 554265056779399415672917966847961
-
The
square root of 82143366921 is 286606.6414460767 -
The
cube root of 82143366921 is 4347.0119422363
Scales and comparisons
How big is 82143366921?- 82,143,366,921 seconds is equal to 2,611 years, 47 weeks, 9 hours, 55 minutes, 21 seconds.
-
To count from 1 to 82,143,366,921 would take you about five thousand, two hundred twenty-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 82143366921 cubic inches would be around 362.3 feet tall.
Recreational maths with 82143366921
- 82143366921 backwards is 12966334128
- The number of decimal digits it has is: 11
- The sum of 82143366921's digits is 45
- More coming soon!
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