31309069428
31,309,069,428 is an even composite number composed of six prime numbers multiplied together.
31309069428 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred ninety-two divisors.
Prime factorization of 31309069428:
22 × 33 × 7 × 13 × 409 × 7789
(2 × 2 × 3 × 3 × 3 × 7 × 13 × 409 × 7789)See below for interesting mathematical facts about the number 31309069428 from the Numbermatics database.
Names of 31309069428
- Cardinal: 31309069428 can be written as Thirty-one billion, three hundred nine million, sixty-nine thousand, four hundred twenty-eight.
Scientific notation
- Scientific notation: 3.1309069428 × 1010
Factors of 31309069428
Divisors of 31309069428
- Number of divisors d(n): 192
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Complete list of divisors:
1 2 3 4 6 7 9 12 13 14 18 21 26 27 28 36 39 42 52 54 63 78 84 91 108 117 126 156 182 189 234 252 273 351 364 378 409 468 546 702 756 818 819 1092 1227 1404 1636 1638 2454 2457 2863 3276 3681 4908 4914 5317 5726 7362 7789 8589 9828 10634 11043 11452 14724 15578 15951 17178 21268 22086 23367 25767 31156 31902 34356 37219 44172 46734 47853 51534 54523 63804 70101 74438 77301 93468 95706 101257 103068 109046 111657 140202 143559 148876 154602 163569 191412 202514 210303 218092 223314 280404 287118 303771 309204 327138 334971 405028 420606 446628 490707 574236 607542 654276 669942 708799 841212 911313 981414 1004913 1215084 1339884 1417598 1472121 1822626 1962828 2009826 2126397 2733939 2835196 2944242 3185701 3645252 4019652 4252794 5467878 5888484 6371402 6379191 8505588 9557103 10935756 12742804 12758382 19114206 19137573 22299907 25516764 28671309 38228412 38275146 41414113 44599814 57342618 66899721 76550292 82828226 86013927 89199628 114685236 124242339 133799442 165656452 172027854 200699163 248484678 267598884 289898791 344055708 372727017 401398326 496969356 579797582 602097489 745454034 802796652 869696373 1118181051 1159595164 1204194978 1490908068 1739392746 2236362102 2408389956 2609089119 3478785492 4472724204 5218178238 7827267357 10436356476 15654534714 31309069428
- Sum of all divisors σ(n): 100160704000
- Sum of proper divisors (its aliquot sum) s(n): 68851634572
- 31309069428 is an abundant number, because the sum of its proper divisors (68851634572) is greater than itself. Its abundance is 37542565144
Bases of 31309069428
- Binary: 111010010100010101001111100011101002
- Hexadecimal: 0x74A2A7C74
- Base-36: EDSM0L0
Squares and roots of 31309069428
- 31309069428 squared (313090694282) is 980257828447324247184
- 31309069428 cubed (313090694283) is 30690960408197788295911689490752
-
The
square root of 31309069428 is 176943.6899920423 -
The
cube root of 31309069428 is 3151.7859840185
Scales and comparisons
How big is 31309069428?- 31,309,069,428 seconds is equal to 995 years, 27 weeks, 4 days, 11 hours, 43 minutes, 48 seconds.
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To count from 1 to 31,309,069,428 would take you about one thousand, nine hundred ninety-one 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 31309069428 cubic inches would be around 262.6 feet tall.
Recreational maths with 31309069428
- 31309069428 backwards is 82496090313
- The number of decimal digits it has is: 11
- The sum of 31309069428's digits is 45
- More coming soon!
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