29978920
29,978,920 is an even composite number composed of five prime numbers multiplied together.
What does the number 29978920 look like?
This visualization shows the relationship between its 5 prime factors (large circles) and 64 divisors.
29978920 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of sixty-four divisors.
Prime factorization of 29978920:
23 × 5 × 53 × 79 × 179
(2 × 2 × 2 × 5 × 53 × 79 × 179)See below for interesting mathematical facts about the number 29978920 from the Numbermatics database.
Names of 29978920
- Cardinal: 29978920 can be written as Twenty-nine million, nine hundred seventy-eight thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 2.997892 × 107
Factors of 29978920
Divisors of 29978920
- Number of divisors d(n): 64
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Complete list of divisors:
1 2 4 5 8 10 20 40 53 79 106 158 179 212 265 316 358 395 424 530 632 716 790 895 1060 1432 1580 1790 2120 3160 3580 4187 7160 8374 9487 14141 16748 18974 20935 28282 33496 37948 41870 47435 56564 70705 75896 83740 94870 113128 141410 167480 189740 282820 379480 565640 749473 1498946 2997892 3747365 5995784 7494730 14989460 29978920
- Sum of all divisors σ(n): 69984000
- Sum of proper divisors (its aliquot sum) s(n): 40005080
- 29978920 is an abundant number, because the sum of its proper divisors (40005080) is greater than itself. Its abundance is 10026160
Bases of 29978920
- Binary: 11100100101110001001010002
- Hexadecimal: 0x1C97128
- Base-36: HUJVS
Squares and roots of 29978920
- 29978920 squared (299789202) is 898735644366400
- 29978920 cubed (299789203) is 26943123983608756288000
-
The
square root of 29978920 is 5475.3009049731 -
The
cube root of 29978920 is 310.6504552521
Scales and comparisons
How big is 29978920?- 29,978,920 seconds is equal to 49 weeks, 3 days, 23 hours, 28 minutes, 40 seconds.
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To count from 1 to 29,978,920 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 29978920 cubic inches would be around 25.9 feet tall.
Recreational maths with 29978920
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