1138639920
1,138,639,920 is an even composite number composed of six prime numbers multiplied together.
1138639920 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred sixty divisors.
Prime factorization of 1138639920:
24 × 3 × 5 × 11 × 31 × 13913
(2 × 2 × 2 × 2 × 3 × 5 × 11 × 31 × 13913)See below for interesting mathematical facts about the number 1138639920 from the Numbermatics database.
Names of 1138639920
- Cardinal: 1138639920 can be written as One billion, one hundred thirty-eight million, six hundred thirty-nine thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 1.13863992 × 109
Factors of 1138639920
Divisors of 1138639920
- Number of divisors d(n): 160
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Complete list of divisors:
1 2 3 4 5 6 8 10 11 12 15 16 20 22 24 30 31 33 40 44 48 55 60 62 66 80 88 93 110 120 124 132 155 165 176 186 220 240 248 264 310 330 341 372 440 465 496 528 620 660 682 744 880 930 1023 1240 1320 1364 1488 1705 1860 2046 2480 2640 2728 3410 3720 4092 5115 5456 6820 7440 8184 10230 13640 13913 16368 20460 27280 27826 40920 41739 55652 69565 81840 83478 111304 139130 153043 166956 208695 222608 278260 306086 333912 417390 431303 459129 556520 612172 667824 765215 834780 862606 918258 1113040 1224344 1293909 1530430 1669560 1725212 1836516 2156515 2295645 2448688 2587818 3060860 3339120 3450424 3673032 4313030 4591290 4744333 5175636 6121720 6469545 6900848 7346064 8626060 9182580 9488666 10351272 12243440 12939090 14232999 17252120 18365160 18977332 20702544 23721665 25878180 28465998 34504240 36730320 37954664 47443330 51756360 56931996 71164995 75909328 94886660 103512720 113863992 142329990 189773320 227727984 284659980 379546640 569319960 1138639920
- Sum of all divisors σ(n): 3975174144
- Sum of proper divisors (its aliquot sum) s(n): 2836534224
- 1138639920 is an abundant number, because the sum of its proper divisors (2836534224) is greater than itself. Its abundance is 1697894304
Bases of 1138639920
- Binary: 10000111101111001000100001100002
- Hexadecimal: 0x43DE4430
- Base-36: ITX06O
Squares and roots of 1138639920
- 1138639920 squared (11386399202) is 1296500867417606400
- 1138639920 cubed (11386399203) is 1476247643956313957887488000
-
The
square root of 1138639920 is 33743.7389748083 -
The
cube root of 1138639920 is 1044.2283231041
Scales and comparisons
How big is 1138639920?- 1,138,639,920 seconds is equal to 36 years, 10 weeks, 4 days, 16 hours, 52 minutes.
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To count from 1 to 1,138,639,920 would take you about seventy-two 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 1138639920 cubic inches would be around 87 feet tall.
Recreational maths with 1138639920
- 1138639920 backwards is 0299368311
- The number of decimal digits it has is: 10
- The sum of 1138639920's digits is 42
- More coming soon!
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The information we have on file for 1138639920 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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