208108989
208,108,989 is an odd composite number composed of five prime numbers multiplied together.
208108989 is an odd composite number. It is composed of five distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 208108989:
32 × 112 × 41 × 59 × 79
(3 × 3 × 11 × 11 × 41 × 59 × 79)See below for interesting mathematical facts about the number 208108989 from the Numbermatics database.
Names of 208108989
- Cardinal: 208108989 can be written as Two hundred eight million, one hundred eight thousand, nine hundred eighty-nine.
Scientific notation
- Scientific notation: 2.08108989 × 108
Factors of 208108989
Divisors of 208108989
- Number of divisors d(n): 72
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Complete list of divisors:
1 3 9 11 33 41 59 79 99 121 123 177 237 363 369 451 531 649 711 869 1089 1353 1947 2419 2607 3239 4059 4661 4961 5841 7139 7257 7821 9559 9717 13983 14883 21417 21771 26609 28677 29151 35629 41949 44649 51271 64251 79827 86031 106887 153813 191101 239481 292699 320661 391919 461439 563981 573303 878097 1175757 1691943 1719909 2102111 2634291 3527271 5075829 6306333 18918999 23123221 69369663 208108989
- Sum of all divisors σ(n): 348566400
- Sum of proper divisors (its aliquot sum) s(n): 140457411
- 208108989 is a deficient number, because the sum of its proper divisors (140457411) is less than itself. Its deficiency is 67651578
Bases of 208108989
- Binary: 11000110011101111101101111012
- Hexadecimal: 0xC677DBD
- Base-36: 3FWHX9
Squares and roots of 208108989
- 208108989 squared (2081089892) is 43309351302602121
- 208108989 cubed (2081089893) is 9013065313830360470565669
-
The
square root of 208108989 is 14425.9831207443 -
The
cube root of 208108989 is 592.6026826257
Scales and comparisons
How big is 208108989?- 208,108,989 seconds is equal to 6 years, 32 weeks, 16 hours, 3 minutes, 9 seconds.
-
To count from 1 to 208,108,989 would take you about nine 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 208108989 cubic inches would be around 49.4 feet tall.
Recreational maths with 208108989
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