82139904
82,139,904 is an even composite number composed of five prime numbers multiplied together.
82139904 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred sixteen divisors.
Prime factorization of 82139904:
28 × 32 × 7 × 11 × 463
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 7 × 11 × 463)See below for interesting mathematical facts about the number 82139904 from the Numbermatics database.
Names of 82139904
- Cardinal: 82139904 can be written as Eighty-two million, one hundred thirty-nine thousand, nine hundred four.
Scientific notation
- Scientific notation: 8.2139904 × 107
Factors of 82139904
Divisors of 82139904
- Number of divisors d(n): 216
-
Complete list of divisors:
1 2 3 4 6 7 8 9 11 12 14 16 18 21 22 24 28 32 33 36 42 44 48 56 63 64 66 72 77 84 88 96 99 112 126 128 132 144 154 168 176 192 198 224 231 252 256 264 288 308 336 352 384 396 448 462 463 504 528 576 616 672 693 704 768 792 896 924 926 1008 1056 1152 1232 1344 1386 1389 1408 1584 1792 1848 1852 2016 2112 2304 2464 2688 2772 2778 2816 3168 3241 3696 3704 4032 4167 4224 4928 5093 5376 5544 5556 6336 6482 7392 7408 8064 8334 8448 9723 9856 10186 11088 11112 12672 12964 14784 14816 15279 16128 16668 19446 19712 20372 22176 22224 25344 25928 29169 29568 29632 30558 33336 35651 38892 40744 44352 44448 45837 51856 58338 59136 59264 61116 66672 71302 77784 81488 88704 88896 91674 103712 106953 116676 118528 122232 133344 142604 155568 162976 177408 177792 183348 207424 213906 233352 244464 266688 285208 311136 320859 325952 355584 366696 414848 427812 466704 488928 533376 570416 622272 641718 651904 733392 829696 855624 933408 977856 1066752 1140832 1244544 1283436 1303808 1466784 1711248 1866816 1955712 2281664 2489088 2566872 2933568 3422496 3733632 3911424 4563328 5133744 5867136 6844992 7467264 9126656 10267488 11734272 13689984 20534976 27379968 41069952 82139904
- Sum of all divisors σ(n): 295905792
- Sum of proper divisors (its aliquot sum) s(n): 213765888
- 82139904 is an abundant number, because the sum of its proper divisors (213765888) is greater than itself. Its abundance is 131625984
Bases of 82139904
- Binary: 1001110010101011011000000002
- Hexadecimal: 0x4E55B00
- Base-36: 1CWJK0
Squares and roots of 82139904
- 82139904 squared (821399042) is 6746963829129216
- 82139904 cubed (821399043) is 554194961216146205835264
-
The
square root of 82139904 is 9063.1067521021 -
The
cube root of 82139904 is 434.6950855663
Scales and comparisons
How big is 82139904?- 82,139,904 seconds is equal to 2 years, 31 weeks, 5 days, 16 hours, 38 minutes, 24 seconds.
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To count from 1 to 82,139,904 would take you about three 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 82139904 cubic inches would be around 36.2 feet tall.
Recreational maths with 82139904
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