129775200
129,775,200 is an even composite number composed of five prime numbers multiplied together.
129775200 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 129775200:
25 × 3 × 52 × 23 × 2351
(2 × 2 × 2 × 2 × 2 × 3 × 5 × 5 × 23 × 2351)See below for interesting mathematical facts about the number 129775200 from the Numbermatics database.
Names of 129775200
- Cardinal: 129775200 can be written as One hundred twenty-nine million, seven hundred seventy-five thousand, two hundred.
Scientific notation
- Scientific notation: 1.297752 × 108
Factors of 129775200
Divisors of 129775200
- Number of divisors d(n): 144
-
Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 16 20 23 24 25 30 32 40 46 48 50 60 69 75 80 92 96 100 115 120 138 150 160 184 200 230 240 276 300 345 368 400 460 480 552 575 600 690 736 800 920 1104 1150 1200 1380 1725 1840 2208 2300 2351 2400 2760 3450 3680 4600 4702 5520 6900 7053 9200 9404 11040 11755 13800 14106 18400 18808 23510 27600 28212 35265 37616 47020 54073 55200 56424 58775 70530 75232 94040 108146 112848 117550 141060 162219 176325 188080 216292 225696 235100 270365 282120 324438 352650 376160 432584 470200 540730 564240 648876 705300 811095 865168 940400 1081460 1128480 1297752 1351825 1410600 1622190 1730336 1880800 2162920 2595504 2703650 2821200 3244380 4055475 4325840 5191008 5407300 5642400 6488760 8110950 8651680 10814600 12977520 16221900 21629200 25955040 32443800 43258400 64887600 129775200
- Sum of all divisors σ(n): 440971776
- Sum of proper divisors (its aliquot sum) s(n): 311196576
- 129775200 is an abundant number, because the sum of its proper divisors (311196576) is greater than itself. Its abundance is 181421376
Bases of 129775200
- Binary: 1111011110000110110011000002
- Hexadecimal: 0x7BC3660
- Base-36: 259J6O
Squares and roots of 129775200
- 129775200 squared (1297752002) is 16841602535040000
- 129775200 cubed (1297752003) is 2185622337305323008000000
-
The
square root of 129775200 is 11391.8918534193 -
The
cube root of 129775200 is 506.2875357019
Scales and comparisons
How big is 129775200?- 129,775,200 seconds is equal to 4 years, 6 weeks, 4 days, 40 minutes.
-
To count from 1 to 129,775,200 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 129775200 cubic inches would be around 42.2 feet tall.
Recreational maths with 129775200
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