1311139840
1,311,139,840 is an even composite number composed of five prime numbers multiplied together.
1311139840 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred ninety-two divisors.
Prime factorization of 1311139840:
211 × 5 × 19 × 23 × 293
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 19 × 23 × 293)See below for interesting mathematical facts about the number 1311139840 from the Numbermatics database.
Names of 1311139840
- Cardinal: 1311139840 can be written as One billion, three hundred eleven million, one hundred thirty-nine thousand, eight hundred forty.
Scientific notation
- Scientific notation: 1.31113984 × 109
Factors of 1311139840
Divisors of 1311139840
- Number of divisors d(n): 192
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Complete list of divisors:
1 2 4 5 8 10 16 19 20 23 32 38 40 46 64 76 80 92 95 115 128 152 160 184 190 230 256 293 304 320 368 380 437 460 512 586 608 640 736 760 874 920 1024 1172 1216 1280 1465 1472 1520 1748 1840 2048 2185 2344 2432 2560 2930 2944 3040 3496 3680 4370 4688 4864 5120 5567 5860 5888 6080 6739 6992 7360 8740 9376 9728 10240 11134 11720 11776 12160 13478 13984 14720 17480 18752 19456 22268 23440 23552 24320 26956 27835 27968 29440 33695 34960 37504 38912 44536 46880 47104 48640 53912 55670 55936 58880 67390 69920 75008 89072 93760 97280 107824 111340 111872 117760 128041 134780 139840 150016 178144 187520 194560 215648 222680 223744 235520 256082 269560 279680 300032 356288 375040 431296 445360 447488 512164 539120 559360 600064 640205 712576 750080 862592 890720 894976 1024328 1078240 1118720 1280410 1425152 1500160 1725184 1781440 2048656 2156480 2237440 2560820 2850304 3000320 3450368 3562880 4097312 4312960 4474880 5121640 5700608 6900736 7125760 8194624 8625920 10243280 11401216 13801472 14251520 16389248 17251840 20486560 28503040 32778496 34503680 40973120 57006080 65556992 69007360 81946240 131113984 163892480 262227968 327784960 655569920 1311139840
- Sum of all divisors σ(n): 3467318400
- Sum of proper divisors (its aliquot sum) s(n): 2156178560
- 1311139840 is an abundant number, because the sum of its proper divisors (2156178560) is greater than itself. Its abundance is 845038720
Bases of 1311139840
- Binary: 10011100010011001101000000000002
- Hexadecimal: 0x4E266800
- Base-36: LOM9Z4
Squares and roots of 1311139840
- 1311139840 squared (13111398402) is 1719087680035225600
- 1311139840 cubed (13111398403) is 2253964345747356887547904000
-
The
square root of 1311139840 is 36209.6650081163 -
The
cube root of 1311139840 is 1094.5014417557
Scales and comparisons
How big is 1311139840?- 1,311,139,840 seconds is equal to 41 years, 35 weeks, 6 days, 5 hours, 30 minutes, 40 seconds.
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To count from 1 to 1,311,139,840 would take you about eighty-three 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 1311139840 cubic inches would be around 91.2 feet tall.
Recreational maths with 1311139840
- 1311139840 backwards is 0489311131
- The number of decimal digits it has is: 10
- The sum of 1311139840's digits is 31
- More coming soon!
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