129732100
129,732,100 is an even composite number composed of four prime numbers multiplied together.
129732100 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of eighty-one divisors.
Prime factorization of 129732100:
22 × 52 × 172 × 672
(2 × 2 × 5 × 5 × 17 × 17 × 67 × 67)See below for interesting mathematical facts about the number 129732100 from the Numbermatics database.
Names of 129732100
- Cardinal: 129732100 can be written as One hundred twenty-nine million, seven hundred thirty-two thousand, one hundred.
Scientific notation
- Scientific notation: 1.297321 × 108
Factors of 129732100
Divisors of 129732100
- Number of divisors d(n): 81
-
Complete list of divisors:
1 2 4 5 10 17 20 25 34 50 67 68 85 100 134 170 268 289 335 340 425 578 670 850 1139 1156 1340 1445 1675 1700 2278 2890 3350 4489 4556 5695 5780 6700 7225 8978 11390 14450 17956 19363 22445 22780 28475 28900 38726 44890 56950 76313 77452 89780 96815 112225 113900 152626 193630 224450 305252 381565 387260 448900 484075 763130 968150 1297321 1526260 1907825 1936300 2594642 3815650 5189284 6486605 7631300 12973210 25946420 32433025 64866050 129732100
- Sum of all divisors σ(n): 303582783
- Sum of proper divisors (its aliquot sum) s(n): 173850683
- 129732100 is an abundant number, because the sum of its proper divisors (173850683) is greater than itself. Its abundance is 44118583
Bases of 129732100
- Binary: 1111011101110001110000001002
- Hexadecimal: 0x7BB8E04
- Base-36: 258LXG
Squares and roots of 129732100
- 129732100 squared (1297321002) is 16830417770410000
- 129732100 cubed (1297321003) is 2183445441232607161000000
-
129732100 is a
perfect square number . Itssquare root is 11390 -
The
cube root of 129732100 is 506.2314813121
Scales and comparisons
How big is 129732100?- 129,732,100 seconds is equal to 4 years, 6 weeks, 3 days, 12 hours, 41 minutes, 40 seconds.
-
To count from 1 to 129,732,100 would take you about six 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 129732100 cubic inches would be around 42.2 feet tall.
Recreational maths with 129732100
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