31213428428
31,213,428,428 is an even composite number composed of seven prime numbers multiplied together.
31213428428 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 31213428428:
22 × 7 × 13 × 31 × 61 × 137 × 331
(2 × 2 × 7 × 13 × 31 × 61 × 137 × 331)See below for interesting mathematical facts about the number 31213428428 from the Numbermatics database.
Names of 31213428428
- Cardinal: 31213428428 can be written as Thirty-one billion, two hundred thirteen million, four hundred twenty-eight thousand, four hundred twenty-eight.
Scientific notation
- Scientific notation: 3.1213428428 × 1010
Factors of 31213428428
Divisors of 31213428428
- Number of divisors d(n): 192
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Complete list of divisors:
1 2 4 7 13 14 26 28 31 52 61 62 91 122 124 137 182 217 244 274 331 364 403 427 434 548 662 793 806 854 868 959 1324 1586 1612 1708 1781 1891 1918 2317 2821 3172 3562 3782 3836 4247 4303 4634 5551 5642 7124 7564 8357 8494 8606 9268 10261 11102 11284 12467 13237 16714 16988 17212 20191 20522 22204 24583 24934 26474 29729 30121 33428 40382 41044 45347 49166 49868 52948 55211 58499 59458 60242 71827 80764 90694 98332 108641 110422 116998 118916 120484 133393 141337 143654 172081 181388 217282 220844 233996 259067 262483 266786 282674 287308 317429 344162 386477 434564 518134 524966 533572 565348 589511 625921 634858 688324 760487 772954 933751 1036268 1049932 1179022 1251842 1269716 1405757 1520974 1545908 1813469 1837381 1867502 2358044 2503684 2766167 2811514 3041948 3367871 3626938 3674762 3735004 4126577 4381447 5532334 5623028 6735742 7253876 7349524 8136973 8253154 8762894 9840299 11064668 13471484 16273946 16506308 17525788 18274841 19363169 19680598 23575097 32547892 35960171 36549682 38726338 39361196 47150194 56958811 71920342 73099364 77452676 85751177 94300388 113917622 127923887 143840684 171502354 227835244 251721197 255847774 343004708 503442394 511695548 600258239 1006884788 1114765301 1200516478 2229530602 2401032956 4459061204 7803357107 15606714214 31213428428
- Sum of all divisors σ(n): 71264772096
- Sum of proper divisors (its aliquot sum) s(n): 40051343668
- 31213428428 is an abundant number, because the sum of its proper divisors (40051343668) is greater than itself. Its abundance is 8837915240
Bases of 31213428428
- Binary: 111010001000111011100011110110011002
- Hexadecimal: 0x744771ECC
- Base-36: EC7O3IK
Squares and roots of 31213428428
- 31213428428 squared (312134284282) is 974278114229878551184
- 31213428428 cubed (312134284283) is 30410560187481122496514118658752
-
The
square root of 31213428428 is 176673.2249889609 -
The
cube root of 31213428428 is 3148.5734172789
Scales and comparisons
How big is 31213428428?- 31,213,428,428 seconds is equal to 992 years, 25 weeks, 3 days, 12 hours, 47 minutes, 8 seconds.
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To count from 1 to 31,213,428,428 would take you about one thousand, nine hundred eighty-four 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 31213428428 cubic inches would be around 262.4 feet tall.
Recreational maths with 31213428428
- 31213428428 backwards is 82482431213
- The number of decimal digits it has is: 11
- The sum of 31213428428's digits is 38
- More coming soon!
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The information we have on file for 31213428428 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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