13898720
13,898,720 is an even composite number composed of five prime numbers multiplied together.
13898720 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of ninety-six divisors.
Prime factorization of 13898720:
25 × 5 × 11 × 53 × 149
(2 × 2 × 2 × 2 × 2 × 5 × 11 × 53 × 149)See below for interesting mathematical facts about the number 13898720 from the Numbermatics database.
Names of 13898720
- Cardinal: 13898720 can be written as Thirteen million, eight hundred ninety-eight thousand, seven hundred twenty.
Scientific notation
- Scientific notation: 1.389872 × 107
Factors of 13898720
Divisors of 13898720
- Number of divisors d(n): 96
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Complete list of divisors:
1 2 4 5 8 10 11 16 20 22 32 40 44 53 55 80 88 106 110 149 160 176 212 220 265 298 352 424 440 530 583 596 745 848 880 1060 1166 1192 1490 1639 1696 1760 2120 2332 2384 2915 2980 3278 4240 4664 4768 5830 5960 6556 7897 8195 8480 9328 11660 11920 13112 15794 16390 18656 23320 23840 26224 31588 32780 39485 46640 52448 63176 65560 78970 86867 93280 126352 131120 157940 173734 252704 262240 315880 347468 434335 631760 694936 868670 1263520 1389872 1737340 2779744 3474680 6949360 13898720
- Sum of all divisors σ(n): 36741600
- Sum of proper divisors (its aliquot sum) s(n): 22842880
- 13898720 is an abundant number, because the sum of its proper divisors (22842880) is greater than itself. Its abundance is 8944160
Bases of 13898720
- Binary: 1101010000010011111000002
- Hexadecimal: 0xD413E0
- Base-36: 89WBK
Squares and roots of 13898720
- 13898720 squared (138987202) is 193174417638400
- 13898720 cubed (138987203) is 2684877141919182848000
-
The
square root of 13898720 is 3728.0987111395 -
The
cube root of 13898720 is 240.4316306711
Scales and comparisons
How big is 13898720?- 13,898,720 seconds is equal to 22 weeks, 6 days, 20 hours, 45 minutes, 20 seconds.
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To count from 1 to 13,898,720 would take you about thirty-four weeks!
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 13898720 cubic inches would be around 20 feet tall.
Recreational maths with 13898720
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