128320800
128,320,800 is an even composite number composed of five prime numbers multiplied together.
128320800 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 128320800:
25 × 3 × 52 × 127 × 421
(2 × 2 × 2 × 2 × 2 × 3 × 5 × 5 × 127 × 421)See below for interesting mathematical facts about the number 128320800 from the Numbermatics database.
Names of 128320800
- Cardinal: 128320800 can be written as One hundred twenty-eight million, three hundred twenty thousand, eight hundred.
Scientific notation
- Scientific notation: 1.283208 × 108
Factors of 128320800
Divisors of 128320800
- Number of divisors d(n): 144
-
Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 32 40 48 50 60 75 80 96 100 120 127 150 160 200 240 254 300 381 400 421 480 508 600 635 762 800 842 1016 1200 1263 1270 1524 1684 1905 2032 2105 2400 2526 2540 3048 3175 3368 3810 4064 4210 5052 5080 6096 6315 6350 6736 7620 8420 9525 10104 10160 10525 12192 12630 12700 13472 15240 16840 19050 20208 20320 21050 25260 25400 30480 31575 33680 38100 40416 42100 50520 50800 53467 60960 63150 67360 76200 84200 101040 101600 106934 126300 152400 160401 168400 202080 213868 252600 267335 304800 320802 336800 427736 505200 534670 641604 802005 855472 1010400 1069340 1283208 1336675 1604010 1710944 2138680 2566416 2673350 3208020 4010025 4277360 5132832 5346700 6416040 8020050 8554720 10693400 12832080 16040100 21386800 25664160 32080200 42773600 64160400 128320800
- Sum of all divisors σ(n): 421972992
- Sum of proper divisors (its aliquot sum) s(n): 293652192
- 128320800 is an abundant number, because the sum of its proper divisors (293652192) is greater than itself. Its abundance is 165331392
Bases of 128320800
- Binary: 1111010011000000101001000002
- Hexadecimal: 0x7A60520
- Base-36: 24ECYO
Squares and roots of 128320800
- 128320800 squared (1283208002) is 16466227712640000
- 128320800 cubed (1283208003) is 2112959513068134912000000
-
The
square root of 128320800 is 11327.8771179775 -
The
cube root of 128320800 is 504.3890923343
Scales and comparisons
How big is 128320800?- 128,320,800 seconds is equal to 4 years, 4 weeks, 1 day, 4 hours, 40 minutes.
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To count from 1 to 128,320,800 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 128320800 cubic inches would be around 42 feet tall.
Recreational maths with 128320800
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