128396400
128,396,400 is an even composite number composed of six prime numbers multiplied together.
128396400 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred forty divisors.
Prime factorization of 128396400:
24 × 3 × 52 × 11 × 71 × 137
(2 × 2 × 2 × 2 × 3 × 5 × 5 × 11 × 71 × 137)See below for interesting mathematical facts about the number 128396400 from the Numbermatics database.
Names of 128396400
- Cardinal: 128396400 can be written as One hundred twenty-eight million, three hundred ninety-six thousand, four hundred.
Scientific notation
- Scientific notation: 1.283964 × 108
Factors of 128396400
Divisors of 128396400
- Number of divisors d(n): 240
-
Complete list of divisors:
1 2 3 4 5 6 8 10 11 12 15 16 20 22 24 25 30 33 40 44 48 50 55 60 66 71 75 80 88 100 110 120 132 137 142 150 165 176 200 213 220 240 264 274 275 284 300 330 355 400 411 426 440 528 548 550 568 600 660 685 710 781 822 825 852 880 1065 1096 1100 1136 1200 1320 1370 1420 1507 1562 1644 1650 1704 1775 2055 2130 2192 2200 2343 2640 2740 2840 3014 3124 3288 3300 3408 3425 3550 3905 4110 4260 4400 4521 4686 5325 5480 5680 6028 6248 6576 6600 6850 7100 7535 7810 8220 8520 9042 9372 9727 10275 10650 10960 11715 12056 12496 13200 13700 14200 15070 15620 16440 17040 18084 18744 19454 19525 20550 21300 22605 23430 24112 27400 28400 29181 30140 31240 32880 36168 37488 37675 38908 39050 41100 42600 45210 46860 48635 54800 58362 58575 60280 62480 72336 75350 77816 78100 82200 85200 90420 93720 97270 106997 113025 116724 117150 120560 145905 150700 155632 156200 164400 180840 187440 194540 213994 226050 233448 234300 243175 291810 301400 312400 320991 361680 389080 427988 452100 466896 468600 486350 534985 583620 602800 641982 729525 778160 855976 904200 937200 972700 1069970 1167240 1283964 1459050 1604955 1711952 1808400 1945400 2139940 2334480 2567928 2674925 2918100 3209910 3890800 4279880 5135856 5349850 5836200 6419820 8024775 8559760 10699700 11672400 12839640 16049550 21399400 25679280 32099100 42798800 64198200 128396400
- Sum of all divisors σ(n): 458327808
- Sum of proper divisors (its aliquot sum) s(n): 329931408
- 128396400 is an abundant number, because the sum of its proper divisors (329931408) is greater than itself. Its abundance is 201535008
Bases of 128396400
- Binary: 1111010011100101100011100002
- Hexadecimal: 0x7A72C70
- Base-36: 24FZAO
Squares and roots of 128396400
- 128396400 squared (1283964002) is 16485635532960000
- 128396400 cubed (1283964003) is 2116696254144145344000000
-
The
square root of 128396400 is 11331.2135272441 -
The
cube root of 128396400 is 504.4881262383
Scales and comparisons
How big is 128396400?- 128,396,400 seconds is equal to 4 years, 4 weeks, 2 days, 1 hour, 40 minutes.
-
To count from 1 to 128,396,400 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 128396400 cubic inches would be around 42 feet tall.
Recreational maths with 128396400
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The information we have on file for 128396400 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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