138428189100
138,428,189,100 is an even composite number composed of five prime numbers multiplied together.
138428189100 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred eight divisors.
Prime factorization of 138428189100:
22 × 32 × 52 × 521 × 295219
(2 × 2 × 3 × 3 × 5 × 5 × 521 × 295219)See below for interesting mathematical facts about the number 138428189100 from the Numbermatics database.
Names of 138428189100
- Cardinal: 138428189100 can be written as One hundred thirty-eight billion, four hundred twenty-eight million, one hundred eighty-nine thousand, one hundred.
Scientific notation
- Scientific notation: 1.384281891 × 1011
Factors of 138428189100
Divisors of 138428189100
- Number of divisors d(n): 108
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Complete list of divisors:
1 2 3 4 5 6 9 10 12 15 18 20 25 30 36 45 50 60 75 90 100 150 180 225 300 450 521 900 1042 1563 2084 2605 3126 4689 5210 6252 7815 9378 10420 13025 15630 18756 23445 26050 31260 39075 46890 52100 78150 93780 117225 156300 234450 295219 468900 590438 885657 1180876 1476095 1771314 2656971 2952190 3542628 4428285 5313942 5904380 7380475 8856570 10627884 13284855 14760950 17713140 22141425 26569710 29521900 44282850 53139420 66424275 88565700 132848550 153809099 265697100 307618198 461427297 615236396 769045495 922854594 1384281891 1538090990 1845709188 2307136485 2768563782 3076181980 3845227475 4614272970 5537127564 6921409455 7690454950 9228545940 11535682425 13842818910 15380909900 23071364850 27685637820 34607047275 46142729700 69214094550 138428189100
- Sum of all divisors σ(n): 434729753640
- Sum of proper divisors (its aliquot sum) s(n): 296301564540
- 138428189100 is an abundant number, because the sum of its proper divisors (296301564540) is greater than itself. Its abundance is 157873375440
Bases of 138428189100
- Binary: 100000001110101111011010001001101011002
- Hexadecimal: 0x203AF689AC
- Base-36: 1RLCKIB0
Squares and roots of 138428189100
- 138428189100 squared (1384281891002) is 19162363537505358810000
- 138428189100 cubed (1384281891003) is 2652611283372736751614030971000000
-
The
square root of 138428189100 is 372059.3892109161 -
The
cube root of 138428189100 is 5172.9884949987
Scales and comparisons
How big is 138428189100?- 138,428,189,100 seconds is equal to 4,401 years, 30 weeks, 4 days, 2 hours, 45 minutes.
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To count from 1 to 138,428,189,100 would take you about eight thousand, eight hundred three 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 138428189100 cubic inches would be around 431.1 feet tall.
Recreational maths with 138428189100
- 138428189100 backwards is 001981824831
- 138428189100 is a
Harshad number . - The number of decimal digits it has is: 12
- The sum of 138428189100's digits is 45
- More coming soon!
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