31421742940
31,421,742,940 is an even composite number composed of six prime numbers multiplied together.
31421742940 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred forty divisors.
Prime factorization of 31421742940:
22 × 5 × 74 × 17 × 61 × 631
(2 × 2 × 5 × 7 × 7 × 7 × 7 × 17 × 61 × 631)See below for interesting mathematical facts about the number 31421742940 from the Numbermatics database.
Names of 31421742940
- Cardinal: 31421742940 can be written as Thirty-one billion, four hundred twenty-one million, seven hundred forty-two thousand, nine hundred forty.
Scientific notation
- Scientific notation: 3.142174294 × 1010
Factors of 31421742940
Divisors of 31421742940
- Number of divisors d(n): 240
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Complete list of divisors:
1 2 4 5 7 10 14 17 20 28 34 35 49 61 68 70 85 98 119 122 140 170 196 238 244 245 305 340 343 427 476 490 595 610 631 686 833 854 980 1037 1190 1220 1262 1372 1666 1708 1715 2074 2135 2380 2401 2524 2989 3155 3332 3430 4148 4165 4270 4417 4802 5185 5831 5978 6310 6860 7259 8330 8540 8834 9604 10370 10727 11662 11956 12005 12620 14518 14945 16660 17668 20740 20923 21454 22085 23324 24010 29036 29155 29890 30919 36295 38491 40817 41846 42908 44170 48020 50813 53635 58310 59780 61838 72590 75089 76982 81634 83692 88340 101626 104615 107270 116620 123676 145180 146461 150178 153964 154595 163268 192455 203252 204085 209230 214540 216433 254065 269437 292922 300356 309190 355691 375445 384910 408170 418460 432866 508130 525623 538874 585844 618380 654347 711382 732305 750890 769820 816340 865732 1016260 1051246 1077748 1082165 1308694 1347185 1422764 1464610 1501780 1515031 1778455 1886059 2102492 2164330 2489837 2617388 2628115 2694370 2929220 3030062 3271735 3556910 3679361 3772118 4328660 4580429 4979674 5256230 5388740 6060124 6543470 7113820 7358722 7544236 7575155 9160858 9430295 9959348 10512460 12449185 13086940 13202413 14717444 15150310 18321716 18396805 18860590 22902145 24898370 25755527 26404826 30300620 32063003 36793610 37721180 45804290 49796740 51511054 52809652 64126006 66012065 73587220 91608580 92416891 103022108 128252012 128777635 132024130 160315015 184833782 224441021 257555270 264048260 320630030 369667564 448882042 462084455 515110540 641260060 897764084 924168910 1122205105 1571087147 1848337820 2244410210 3142174294 4488820420 6284348588 7855435735 15710871470 31421742940
- Sum of all divisors σ(n): 82974314304
- Sum of proper divisors (its aliquot sum) s(n): 51552571364
- 31421742940 is an abundant number, because the sum of its proper divisors (51552571364) is greater than itself. Its abundance is 20130828424
Bases of 31421742940
- Binary: 111010100001110000110111111010111002
- Hexadecimal: 0x750E1BF5C
- Base-36: EFNP00S
Squares and roots of 31421742940
- 31421742940 squared (314217429402) is 987325929387439843600
- 31421742940 cubed (314217429403) is 31023501551208726430313004184000
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The
square root of 31421742940 is 177261.7921042209 -
The
cube root of 31421742940 is 3155.5622875269
Scales and comparisons
How big is 31421742940?- 31,421,742,940 seconds is equal to 999 years, 5 weeks, 6 days, 13 hours, 55 minutes, 40 seconds.
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To count from 1 to 31,421,742,940 would take you about one thousand, nine hundred ninety-eight 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 31421742940 cubic inches would be around 263 feet tall.
Recreational maths with 31421742940
- 31421742940 backwards is 04924712413
- The number of decimal digits it has is: 11
- The sum of 31421742940's digits is 37
- More coming soon!
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