642238743146
642,238,743,146 is an even composite number composed of seven prime numbers multiplied together.
642238743146 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of one hundred ninety-two divisors.
Prime factorization of 642238743146:
2 × 7 × 11 × 13 × 612 × 73 × 1181
(2 × 7 × 11 × 13 × 61 × 61 × 73 × 1181)See below for interesting mathematical facts about the number 642238743146 from the Numbermatics database.
Names of 642238743146
- Cardinal: 642238743146 can be written as Six hundred forty-two billion, two hundred thirty-eight million, seven hundred forty-three thousand, one hundred forty-six.
Scientific notation
- Scientific notation: 6.42238743146 × 1011
Factors of 642238743146
Divisors of 642238743146
- Number of divisors d(n): 192
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Complete list of divisors:
1 2 7 11 13 14 22 26 61 73 77 91 122 143 146 154 182 286 427 511 671 793 803 854 949 1001 1022 1181 1342 1586 1606 1898 2002 2362 3721 4453 4697 5551 5621 6643 7442 8267 8723 8906 9394 10439 11102 11242 12991 13286 15353 16534 17446 20878 25982 26047 30706 31171 40931 48373 48983 52094 57889 61061 62342 72041 73073 81862 86213 90937 96746 97966 107471 115778 122122 144082 146146 168883 172426 181874 214942 271633 286517 337766 338611 342881 405223 504287 532103 543266 573034 603491 636779 677222 685762 792451 810446 936533 948343 1008574 1064206 1120769 1182181 1206982 1273558 1584902 1873066 1896686 1901431 2241538 2364362 2987963 3531229 3724721 3802862 4394501 4457453 5258993 5547157 5975926 6555731 6638401 7062458 7449442 7845383 8789002 8914906 10301863 10517986 11094314 12328459 13111462 13276802 15690766 20603726 20915741 24656918 24718603 30761507 36812951 38843519 41831482 48339511 49437206 57128513 57848923 61523014 68366909 72113041 73625902 77687038 86299213 96679022 114257026 115697846 136733818 144226082 172598426 271904633 320798573 338376577 399899591 404942461 478568363 543809266 628413643 641597146 676753154 752035999 799799182 809884922 957136726 1256827286 1504071998 2245590011 3528784303 4170381449 4398895501 4491180022 5264251993 7057568606 8340762898 8797791002 10528503986 24701490121 29192670143 45874195939 49402980242 58385340286 91748391878 321119371573 642238743146
- Sum of all divisors σ(n): 1334154302208
- Sum of proper divisors (its aliquot sum) s(n): 691915559062
- 642238743146 is an abundant number, because the sum of its proper divisors (691915559062) is greater than itself. Its abundance is 49676815916
Bases of 642238743146
- Binary: 10010101100010000110100110000010011010102
- Hexadecimal: 0x958869826A
- Base-36: 871GD5RE
Squares and roots of 642238743146
- 642238743146 squared (6422387431462) is 412470603197753761977316
- 642238743146 cubed (6422387431463) is 264904601782397864582704671602476136
-
The
square root of 642238743146 is 801397.9929760243 -
The
cube root of 642238743146 is 8627.7754535861
Scales and comparisons
How big is 642238743146?- 642,238,743,146 seconds is equal to 20,421 years, 10 weeks, 4 days, 18 hours, 52 minutes, 26 seconds.
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To count from 1 to 642,238,743,146 would take you about forty thousand, eight hundred forty-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 642238743146 cubic inches would be around 719 feet tall.
Recreational maths with 642238743146
- 642238743146 backwards is 641347832246
- The number of decimal digits it has is: 12
- The sum of 642238743146's digits is 50
- More coming soon!
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