12388728920
12,388,728,920 is an even composite number composed of six prime numbers multiplied together.
12388728920 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred twenty-eight divisors.
Prime factorization of 12388728920:
23 × 5 × 17 × 41 × 587 × 757
(2 × 2 × 2 × 5 × 17 × 41 × 587 × 757)See below for interesting mathematical facts about the number 12388728920 from the Numbermatics database.
Names of 12388728920
- Cardinal: 12388728920 can be written as Twelve billion, three hundred eighty-eight million, seven hundred twenty-eight thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 1.238872892 × 1010
Factors of 12388728920
Divisors of 12388728920
- Number of divisors d(n): 128
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Complete list of divisors:
1 2 4 5 8 10 17 20 34 40 41 68 82 85 136 164 170 205 328 340 410 587 680 697 757 820 1174 1394 1514 1640 2348 2788 2935 3028 3485 3785 4696 5576 5870 6056 6970 7570 9979 11740 12869 13940 15140 19958 23480 24067 25738 27880 30280 31037 39916 48134 49895 51476 62074 64345 79832 96268 99790 102952 120335 124148 128690 155185 192536 199580 240670 248296 257380 310370 399160 409139 444359 481340 514760 527629 620740 818278 888718 962680 1055258 1241480 1636556 1777436 2045695 2110516 2221795 2638145 3273112 3554872 4091390 4221032 4443590 5276290 7554103 8182780 8887180 10552580 15108206 16365560 17774360 18218719 21105160 30216412 36437438 37770515 60432824 72874876 75541030 91093595 145749752 151082060 182187190 302164120 309718223 364374380 619436446 728748760 1238872892 1548591115 2477745784 3097182230 6194364460 12388728920
- Sum of all divisors σ(n): 30325700160
- Sum of proper divisors (its aliquot sum) s(n): 17936971240
- 12388728920 is an abundant number, because the sum of its proper divisors (17936971240) is greater than itself. Its abundance is 5548242320
Bases of 12388728920
- Binary: 10111000100110110100000000010110002
- Hexadecimal: 0x2E26D0058
- Base-36: 5OVXGEW
Squares and roots of 12388728920
- 12388728920 squared (123887289202) is 153480604253244366400
- 12388728920 cubed (123887289203) is 1901429600571243485846756288000
-
The
square root of 12388728920 is 111304.6671078981 -
The
cube root of 12388728920 is 2313.8875538091
Scales and comparisons
How big is 12388728920?- 12,388,728,920 seconds is equal to 393 years, 48 weeks, 1 hour, 35 minutes, 20 seconds.
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To count from 1 to 12,388,728,920 would take you about seven hundred eighty-seven 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 12388728920 cubic inches would be around 192.8 feet tall.
Recreational maths with 12388728920
- 12388728920 backwards is 02982788321
- The number of decimal digits it has is: 11
- The sum of 12388728920's digits is 50
- More coming soon!
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The information we have on file for 12388728920 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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