7990029621
7,990,029,621 is an odd composite number composed of four prime numbers multiplied together.
7990029621 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 7990029621:
34 × 73 × 31 × 9277
(3 × 3 × 3 × 3 × 7 × 7 × 7 × 31 × 9277)See below for interesting mathematical facts about the number 7990029621 from the Numbermatics database.
Names of 7990029621
- Cardinal: 7990029621 can be written as Seven billion, nine hundred ninety million, twenty-nine thousand, six hundred twenty-one.
Scientific notation
- Scientific notation: 7.990029621 × 109
Factors of 7990029621
Divisors of 7990029621
- Number of divisors d(n): 80
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Complete list of divisors:
1 3 7 9 21 27 31 49 63 81 93 147 189 217 279 343 441 567 651 837 1029 1323 1519 1953 2511 3087 3969 4557 5859 9261 9277 10633 13671 17577 27783 27831 31899 41013 64939 83493 95697 123039 194817 250479 287091 287587 454573 584451 751437 861273 862761 1363719 1753353 2013109 2588283 3182011 4091157 5260059 6039327 7764849 9546033 12273471 14091763 18117981 23294547 28638099 36820413 42275289 54353943 85914297 98642341 126825867 163061829 257742891 295927023 380477601 887781069 1141432803 2663343207 7990029621
- Sum of all divisors σ(n): 14369766400
- Sum of proper divisors (its aliquot sum) s(n): 6379736779
- 7990029621 is a deficient number, because the sum of its proper divisors (6379736779) is less than itself. Its deficiency is 1610292842
Bases of 7990029621
- Binary: 1110111000011111000101101001101012
- Hexadecimal: 0x1DC3E2D35
- Base-36: 3O522B9
Squares and roots of 7990029621
- 7990029621 squared (79900296212) is 63840573344457403641
- 7990029621 cubed (79900296213) is 510088072043837691264343250061
-
The
square root of 7990029621 is 89386.9656102051 -
The
cube root of 7990029621 is 1999.1687896759
Scales and comparisons
How big is 7990029621?- 7,990,029,621 seconds is equal to 254 years, 3 weeks, 4 hours, 40 minutes, 21 seconds.
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To count from 1 to 7,990,029,621 would take you about five hundred eight 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 7990029621 cubic inches would be around 166.6 feet tall.
Recreational maths with 7990029621
- 7990029621 backwards is 1269200997
- The number of decimal digits it has is: 10
- The sum of 7990029621's digits is 45
- More coming soon!
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