155342220
155,342,220 is an even composite number composed of five prime numbers multiplied together.
155342220 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 155342220:
22 × 3 × 5 × 112 × 21397
(2 × 2 × 3 × 5 × 11 × 11 × 21397)See below for interesting mathematical facts about the number 155342220 from the Numbermatics database.
Names of 155342220
- Cardinal: 155342220 can be written as One hundred fifty-five million, three hundred forty-two thousand, two hundred twenty.
Scientific notation
- Scientific notation: 1.5534222 × 108
Factors of 155342220
Divisors of 155342220
- Number of divisors d(n): 72
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Complete list of divisors:
1 2 3 4 5 6 10 11 12 15 20 22 30 33 44 55 60 66 110 121 132 165 220 242 330 363 484 605 660 726 1210 1452 1815 2420 3630 7260 21397 42794 64191 85588 106985 128382 213970 235367 256764 320955 427940 470734 641910 706101 941468 1176835 1283820 1412202 2353670 2589037 2824404 3530505 4707340 5178074 7061010 7767111 10356148 12945185 14122020 15534222 25890370 31068444 38835555 51780740 77671110 155342220
- Sum of all divisors σ(n): 478116912
- Sum of proper divisors (its aliquot sum) s(n): 322774692
- 155342220 is an abundant number, because the sum of its proper divisors (322774692) is greater than itself. Its abundance is 167432472
Bases of 155342220
- Binary: 10010100001001010101100011002
- Hexadecimal: 0x942558C
- Base-36: 2KHITO
Squares and roots of 155342220
- 155342220 squared (1553422202) is 24131205314528400
- 155342220 cubed (1553422203) is 3748595004834639909048000
-
The
square root of 155342220 is 12463.6359061071 -
The
cube root of 155342220 is 537.5635778409
Scales and comparisons
How big is 155342220?- 155,342,220 seconds is equal to 4 years, 48 weeks, 5 days, 22 hours, 37 minutes.
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To count from 1 to 155,342,220 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 155342220 cubic inches would be around 44.8 feet tall.
Recreational maths with 155342220
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The information we have on file for 155342220 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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