31221393040
31,221,393,040 is an even composite number composed of six prime numbers multiplied together.
31221393040 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 31221393040:
24 × 5 × 29 × 107 × 173 × 727
(2 × 2 × 2 × 2 × 5 × 29 × 107 × 173 × 727)See below for interesting mathematical facts about the number 31221393040 from the Numbermatics database.
Names of 31221393040
- Cardinal: 31221393040 can be written as Thirty-one billion, two hundred twenty-one million, three hundred ninety-three thousand and forty.
Scientific notation
- Scientific notation: 3.122139304 × 1010
Factors of 31221393040
Divisors of 31221393040
- Number of divisors d(n): 160
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Complete list of divisors:
1 2 4 5 8 10 16 20 29 40 58 80 107 116 145 173 214 232 290 346 428 464 535 580 692 727 856 865 1070 1160 1384 1454 1712 1730 2140 2320 2768 2908 3103 3460 3635 4280 5017 5816 6206 6920 7270 8560 10034 11632 12412 13840 14540 15515 18511 20068 21083 24824 25085 29080 31030 37022 40136 42166 49648 50170 58160 62060 74044 77789 80272 84332 92555 100340 105415 124120 125771 148088 155578 168664 185110 200680 210830 248240 251542 296176 311156 337328 370220 388945 401360 421660 503084 536819 622312 628855 740440 777890 843320 1006168 1073638 1244624 1257710 1480880 1555780 1686640 2012336 2147276 2255881 2515420 2684095 3111560 3647359 4294552 4511762 5030840 5368190 6223120 7294718 8589104 9023524 10061680 10736380 11279405 13457497 14589436 18047048 18236795 21472760 22558810 26914994 29178872 36094096 36473590 42945520 45117620 53829988 58357744 67287485 72947180 90235240 107659976 134574970 145894360 180470480 215319952 269149940 291788720 390267413 538299880 780534826 1076599760 1561069652 1951337065 3122139304 3902674130 6244278608 7805348260 15610696520 31221393040
- Sum of all divisors σ(n): 76337614080
- Sum of proper divisors (its aliquot sum) s(n): 45116221040
- 31221393040 is an abundant number, because the sum of its proper divisors (45116221040) is greater than itself. Its abundance is 13894828000
Bases of 31221393040
- Binary: 111010001001111000010100110100100002
- Hexadecimal: 0x744F0A690
- Base-36: ECCET1S
Squares and roots of 31221393040
- 31221393040 squared (312213930402) is 974775383358160441600
- 31221393040 cubed (312213930403) is 30433845369541802238573566464000
-
The
square root of 31221393040 is 176695.7640692045 -
The
cube root of 31221393040 is 3148.8411976781
Scales and comparisons
How big is 31221393040?- 31,221,393,040 seconds is equal to 992 years, 38 weeks, 4 days, 17 hours, 10 minutes, 40 seconds.
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To count from 1 to 31,221,393,040 would take you about one thousand, nine hundred eighty-five 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 31221393040 cubic inches would be around 262.4 feet tall.
Recreational maths with 31221393040
- 31221393040 backwards is 04039312213
- The number of decimal digits it has is: 11
- The sum of 31221393040's digits is 28
- More coming soon!
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