155256400
155,256,400 is an even composite number composed of five prime numbers multiplied together.
155256400 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 155256400:
24 × 52 × 13 × 73 × 409
(2 × 2 × 2 × 2 × 5 × 5 × 13 × 73 × 409)See below for interesting mathematical facts about the number 155256400 from the Numbermatics database.
Names of 155256400
- Cardinal: 155256400 can be written as One hundred fifty-five million, two hundred fifty-six thousand, four hundred.
Scientific notation
- Scientific notation: 1.552564 × 108
Factors of 155256400
Divisors of 155256400
- Number of divisors d(n): 120
-
Complete list of divisors:
1 2 4 5 8 10 13 16 20 25 26 40 50 52 65 73 80 100 104 130 146 200 208 260 292 325 365 400 409 520 584 650 730 818 949 1040 1168 1300 1460 1636 1825 1898 2045 2600 2920 3272 3650 3796 4090 4745 5200 5317 5840 6544 7300 7592 8180 9490 10225 10634 14600 15184 16360 18980 20450 21268 23725 26585 29200 29857 32720 37960 40900 42536 47450 53170 59714 75920 81800 85072 94900 106340 119428 132925 149285 163600 189800 212680 238856 265850 298570 379600 388141 425360 477712 531700 597140 746425 776282 1063400 1194280 1492850 1552564 1940705 2126800 2388560 2985700 3105128 3881410 5971400 6210256 7762820 9703525 11942800 15525640 19407050 31051280 38814100 77628200 155256400
- Sum of all divisors σ(n): 408194360
- Sum of proper divisors (its aliquot sum) s(n): 252937960
- 155256400 is an abundant number, because the sum of its proper divisors (252937960) is greater than itself. Its abundance is 97681560
Bases of 155256400
- Binary: 10010100000100000110010100002
- Hexadecimal: 0x9410650
- Base-36: 2KFOLS
Squares and roots of 155256400
- 155256400 squared (1552564002) is 24104549740960000
- 155256400 cubed (1552564003) is 3742385616402382144000000
-
The
square root of 155256400 is 12460.1926148837 -
The
cube root of 155256400 is 537.4645658991
Scales and comparisons
How big is 155256400?- 155,256,400 seconds is equal to 4 years, 48 weeks, 4 days, 22 hours, 46 minutes, 40 seconds.
-
To count from 1 to 155,256,400 would take you about 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 155256400 cubic inches would be around 44.8 feet tall.
Recreational maths with 155256400
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The information we have on file for 155256400 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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