100742720
100,742,720 is an even composite number composed of five prime numbers multiplied together.
100742720 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred twelve divisors.
Prime factorization of 100742720:
26 × 5 × 13 × 61 × 397
(2 × 2 × 2 × 2 × 2 × 2 × 5 × 13 × 61 × 397)See below for interesting mathematical facts about the number 100742720 from the Numbermatics database.
Names of 100742720
- Cardinal: 100742720 can be written as One hundred million, seven hundred forty-two thousand, seven hundred twenty.
Scientific notation
- Scientific notation: 1.0074272 × 108
Factors of 100742720
Divisors of 100742720
- Number of divisors d(n): 112
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Complete list of divisors:
1 2 4 5 8 10 13 16 20 26 32 40 52 61 64 65 80 104 122 130 160 208 244 260 305 320 397 416 488 520 610 793 794 832 976 1040 1220 1586 1588 1952 1985 2080 2440 3172 3176 3904 3965 3970 4160 4880 5161 6344 6352 7930 7940 9760 10322 12688 12704 15860 15880 19520 20644 24217 25376 25408 25805 31720 31760 41288 48434 50752 51610 63440 63520 82576 96868 103220 121085 126880 127040 165152 193736 206440 242170 253760 314821 330304 387472 412880 484340 629642 774944 825760 968680 1259284 1549888 1574105 1651520 1937360 2518568 3148210 3874720 5037136 6296420 7749440 10074272 12592840 20148544 25185680 50371360 100742720
- Sum of all divisors σ(n): 263243568
- Sum of proper divisors (its aliquot sum) s(n): 162500848
- 100742720 is an abundant number, because the sum of its proper divisors (162500848) is greater than itself. Its abundance is 61758128
Bases of 100742720
- Binary: 1100000000100110110010000002
- Hexadecimal: 0x6013640
- Base-36: 1NZ9KW
Squares and roots of 100742720
- 100742720 squared (1007427202) is 10149095632998400
- 100742720 cubed (1007427203) is 1022447499608380571648000
-
The
square root of 100742720 is 10037.0673007607 -
The
cube root of 100742720 is 465.3051837135
Scales and comparisons
How big is 100742720?- 100,742,720 seconds is equal to 3 years, 10 weeks, 4 days, 5 minutes, 20 seconds.
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To count from 1 to 100,742,720 would take you about four 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 100742720 cubic inches would be around 38.8 feet tall.
Recreational maths with 100742720
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