128021012400
128,021,012,400 is an even composite number composed of five prime numbers multiplied together.
128021012400 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred twenty divisors.
Prime factorization of 128021012400:
24 × 3 × 52 × 53 × 2012909
(2 × 2 × 2 × 2 × 3 × 5 × 5 × 53 × 2012909)See below for interesting mathematical facts about the number 128021012400 from the Numbermatics database.
Names of 128021012400
- Cardinal: 128021012400 can be written as One hundred twenty-eight billion, twenty-one million, twelve thousand, four hundred.
Scientific notation
- Scientific notation: 1.280210124 × 1011
Factors of 128021012400
Divisors of 128021012400
- Number of divisors d(n): 120
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Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 40 48 50 53 60 75 80 100 106 120 150 159 200 212 240 265 300 318 400 424 530 600 636 795 848 1060 1200 1272 1325 1590 2120 2544 2650 3180 3975 4240 5300 6360 7950 10600 12720 15900 21200 31800 63600 2012909 4025818 6038727 8051636 10064545 12077454 16103272 20129090 24154908 30193635 32206544 40258180 48309816 50322725 60387270 80516360 96619632 100645450 106684177 120774540 150968175 161032720 201290900 213368354 241549080 301936350 320052531 402581800 426736708 483098160 533420885 603872700 640105062 805163600 853473416 1066841770 1207745400 1280210124 1600262655 1706946832 2133683540 2415490800 2560420248 2667104425 3200525310 4267367080 5120840496 5334208850 6401050620 8001313275 8534734160 10668417700 12802101240 16002626550 21336835400 25604202480 32005253100 42673670800 64010506200 128021012400
- Sum of all divisors σ(n): 417831806160
- Sum of proper divisors (its aliquot sum) s(n): 289810793760
- 128021012400 is an abundant number, because the sum of its proper divisors (289810793760) is greater than itself. Its abundance is 161789781360
Bases of 128021012400
- Binary: 11101110011101010010110011111101100002
- Hexadecimal: 0x1DCEA59FB0
- Base-36: 1MT8ELDC
Squares and roots of 128021012400
- 128021012400 squared (1280210124002) is 16389379615920953760000
- 128021012400 cubed (1280210124003) is 2098184971038123658728786624000000
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The
square root of 128021012400 is 357800.2409166323 -
The
cube root of 128021012400 is 5039.9599549603
Scales and comparisons
How big is 128021012400?- 128,021,012,400 seconds is equal to 4,070 years, 34 weeks, 6 days, 16 hours, 20 minutes.
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To count from 1 to 128,021,012,400 would take you about eight thousand, one hundred forty-one 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 128021012400 cubic inches would be around 420 feet tall.
Recreational maths with 128021012400
- 128021012400 backwards is 004210120821
- The number of decimal digits it has is: 12
- The sum of 128021012400's digits is 21
- More coming soon!
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The information we have on file for 128021012400 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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