82808985
82,808,985 is an odd composite number composed of six prime numbers multiplied together.
82808985 is an odd composite number. It is composed of six distinct prime numbers multiplied together. It has a total of sixty-four divisors.
Prime factorization of 82808985:
3 × 5 × 7 × 67 × 79 × 149
See below for interesting mathematical facts about the number 82808985 from the Numbermatics database.
Names of 82808985
- Cardinal: 82808985 can be written as Eighty-two million, eight hundred eight thousand, nine hundred eighty-five.
Scientific notation
- Scientific notation: 8.2808985 × 107
Factors of 82808985
Divisors of 82808985
- Number of divisors d(n): 64
-
Complete list of divisors:
1 3 5 7 15 21 35 67 79 105 149 201 237 335 395 447 469 553 745 1005 1043 1185 1407 1659 2235 2345 2765 3129 5215 5293 7035 8295 9983 11771 15645 15879 26465 29949 35313 37051 49915 58855 69881 79395 82397 111153 149745 176565 185255 209643 247191 349405 411985 555765 788657 1048215 1235955 2365971 3943285 5520599 11829855 16561797 27602995 82808985
- Sum of all divisors σ(n): 156672000
- Sum of proper divisors (its aliquot sum) s(n): 73863015
- 82808985 is a deficient number, because the sum of its proper divisors (73863015) is less than itself. Its deficiency is 8945970
Bases of 82808985
- Binary: 1001110111110010000100110012
- Hexadecimal: 0x4EF9099
- Base-36: 1DAVTL
Squares and roots of 82808985
- 82808985 squared (828089852) is 6857327996730225
- 82808985 cubed (828089853) is 567848371221313251071625
-
The
square root of 82808985 is 9099.9442305983 -
The
cube root of 82808985 is 435.8721832357
Scales and comparisons
How big is 82808985?- 82,808,985 seconds is equal to 2 years, 32 weeks, 6 days, 10 hours, 29 minutes, 45 seconds.
-
To count from 1 to 82,808,985 would take you about 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 82808985 cubic inches would be around 36.3 feet tall.
Recreational maths with 82808985
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