29985990
29,985,990 is an even composite number composed of six prime numbers multiplied together.
29985990 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of sixty-four divisors.
Prime factorization of 29985990:
2 × 3 × 5 × 19 × 31 × 1697
See below for interesting mathematical facts about the number 29985990 from the Numbermatics database.
Names of 29985990
- Cardinal: 29985990 can be written as Twenty-nine million, nine hundred eighty-five thousand, nine hundred ninety.
Scientific notation
- Scientific notation: 2.998599 × 107
Factors of 29985990
Divisors of 29985990
- Number of divisors d(n): 64
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Complete list of divisors:
1 2 3 5 6 10 15 19 30 31 38 57 62 93 95 114 155 186 190 285 310 465 570 589 930 1178 1697 1767 2945 3394 3534 5091 5890 8485 8835 10182 16970 17670 25455 32243 50910 52607 64486 96729 105214 157821 161215 193458 263035 315642 322430 483645 526070 789105 967290 999533 1578210 1999066 2998599 4997665 5997198 9995330 14992995 29985990
- Sum of all divisors σ(n): 78243840
- Sum of proper divisors (its aliquot sum) s(n): 48257850
- 29985990 is an abundant number, because the sum of its proper divisors (48257850) is greater than itself. Its abundance is 18271860
Bases of 29985990
- Binary: 11100100110001100110001102
- Hexadecimal: 0x1C98CC6
- Base-36: HUPC6
Squares and roots of 29985990
- 29985990 squared (299859902) is 899159596280100
- 29985990 cubed (299859903) is 26962190662459115799000
-
The
square root of 29985990 is 5475.9464935297 -
The
cube root of 29985990 is 310.6748738113
Scales and comparisons
How big is 29985990?- 29,985,990 seconds is equal to 49 weeks, 4 days, 1 hour, 26 minutes, 30 seconds.
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To count from 1 to 29,985,990 would take you about twenty-two weeks!
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 29985990 cubic inches would be around 25.9 feet tall.
Recreational maths with 29985990
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