129747200
129,747,200 is an even composite number composed of five prime numbers multiplied together.
129747200 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred sixteen divisors.
Prime factorization of 129747200:
28 × 52 × 11 × 19 × 97
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 5 × 11 × 19 × 97)See below for interesting mathematical facts about the number 129747200 from the Numbermatics database.
Names of 129747200
- Cardinal: 129747200 can be written as One hundred twenty-nine million, seven hundred forty-seven thousand, two hundred.
Scientific notation
- Scientific notation: 1.297472 × 108
Factors of 129747200
Divisors of 129747200
- Number of divisors d(n): 216
-
Complete list of divisors:
1 2 4 5 8 10 11 16 19 20 22 25 32 38 40 44 50 55 64 76 80 88 95 97 100 110 128 152 160 176 190 194 200 209 220 256 275 304 320 352 380 388 400 418 440 475 485 550 608 640 704 760 776 800 836 880 950 970 1045 1067 1100 1216 1280 1408 1520 1552 1600 1672 1760 1843 1900 1940 2090 2134 2200 2425 2432 2816 3040 3104 3200 3344 3520 3686 3800 3880 4180 4268 4400 4850 4864 5225 5335 6080 6208 6400 6688 7040 7372 7600 7760 8360 8536 8800 9215 9700 10450 10670 12160 12416 13376 14080 14744 15200 15520 16720 17072 17600 18430 19400 20273 20900 21340 24320 24832 26675 26752 29488 30400 31040 33440 34144 35200 36860 38800 40546 41800 42680 46075 53350 53504 58976 60800 62080 66880 68288 70400 73720 77600 81092 83600 85360 92150 101365 106700 117952 121600 124160 133760 136576 147440 155200 162184 167200 170720 184300 202730 213400 235904 267520 273152 294880 310400 324368 334400 341440 368600 405460 426800 471808 506825 589760 620800 648736 668800 682880 737200 810920 853600 1013650 1179520 1297472 1337600 1365760 1474400 1621840 1707200 2027300 2359040 2594944 2948800 3243680 3414400 4054600 5189888 5897600 6487360 6828800 8109200 11795200 12974720 16218400 25949440 32436800 64873600 129747200
- Sum of all divisors σ(n): 372580320
- Sum of proper divisors (its aliquot sum) s(n): 242833120
- 129747200 is an abundant number, because the sum of its proper divisors (242833120) is greater than itself. Its abundance is 113085920
Bases of 129747200
- Binary: 1111011101111001001000000002
- Hexadecimal: 0x7BBC900
- Base-36: 258XKW
Squares and roots of 129747200
- 129747200 squared (1297472002) is 16834335907840000
- 129747200 cubed (1297472003) is 2184207947901698048000000
-
The
square root of 129747200 is 11390.6628428727 -
The
cube root of 129747200 is 506.2511212697
Scales and comparisons
How big is 129747200?- 129,747,200 seconds is equal to 4 years, 6 weeks, 3 days, 16 hours, 53 minutes, 20 seconds.
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To count from 1 to 129,747,200 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 129747200 cubic inches would be around 42.2 feet tall.
Recreational maths with 129747200
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