61138728
61,138,728 is an even composite number composed of six prime numbers multiplied together.
61138728 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 61138728:
23 × 32 × 7 × 29 × 47 × 89
(2 × 2 × 2 × 3 × 3 × 7 × 29 × 47 × 89)See below for interesting mathematical facts about the number 61138728 from the Numbermatics database.
Names of 61138728
- Cardinal: 61138728 can be written as Sixty-one million, one hundred thirty-eight thousand, seven hundred twenty-eight.
Scientific notation
- Scientific notation: 6.1138728 × 107
Factors of 61138728
Divisors of 61138728
- Number of divisors d(n): 192
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Complete list of divisors:
1 2 3 4 6 7 8 9 12 14 18 21 24 28 29 36 42 47 56 58 63 72 84 87 89 94 116 126 141 168 174 178 188 203 232 252 261 267 282 329 348 356 376 406 423 504 522 534 564 609 623 658 696 712 801 812 846 987 1044 1068 1128 1218 1246 1316 1363 1602 1624 1692 1827 1869 1974 2088 2136 2436 2492 2581 2632 2726 2961 3204 3384 3654 3738 3948 4089 4183 4872 4984 5162 5452 5607 5922 6408 7308 7476 7743 7896 8178 8366 9541 10324 10904 11214 11844 12267 12549 14616 14952 15486 16356 16732 18067 19082 20648 22428 23229 23688 24534 25098 28623 29281 30972 32712 33464 36134 37647 38164 44856 46458 49068 50196 54201 57246 58562 61944 72268 75294 76328 85869 87843 92916 98136 100392 108402 114492 117124 121307 144536 150588 162603 171738 175686 185832 216804 228984 234248 242614 263529 301176 325206 343476 351372 363921 433608 485228 527058 650412 686952 702744 727842 849149 970456 1054116 1091763 1300824 1455684 1698298 2108232 2183526 2547447 2911368 3396596 4367052 5094894 6793192 7642341 8734104 10189788 15284682 20379576 30569364 61138728
- Sum of all divisors σ(n): 202176000
- Sum of proper divisors (its aliquot sum) s(n): 141037272
- 61138728 is an abundant number, because the sum of its proper divisors (141037272) is greater than itself. Its abundance is 79898544
Bases of 61138728
- Binary: 111010010011100111001010002
- Hexadecimal: 0x3A4E728
- Base-36: 10EEY0
Squares and roots of 61138728
- 61138728 squared (611387282) is 3737944061457984
- 61138728 cubed (611387283) is 228533145252694967204352
-
The
square root of 61138728 is 7819.1257823365 -
The
cube root of 61138728 is 393.9479089747
Scales and comparisons
How big is 61138728?- 61,138,728 seconds is equal to 1 year, 49 weeks, 14 hours, 58 minutes, 48 seconds.
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To count from 1 to 61,138,728 would take you about 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 61138728 cubic inches would be around 32.8 feet tall.
Recreational maths with 61138728
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The information we have on file for 61138728 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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