61086740
61,086,740 is an even composite number composed of six prime numbers multiplied together.
61086740 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 61086740:
22 × 5 × 11 × 132 × 31 × 53
(2 × 2 × 5 × 11 × 13 × 13 × 31 × 53)See below for interesting mathematical facts about the number 61086740 from the Numbermatics database.
Names of 61086740
- Cardinal: 61086740 can be written as Sixty-one million, eighty-six thousand, seven hundred forty.
Scientific notation
- Scientific notation: 6.108674 × 107
Factors of 61086740
Divisors of 61086740
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 4 5 10 11 13 20 22 26 31 44 52 53 55 62 65 106 110 124 130 143 155 169 212 220 260 265 286 310 338 341 403 530 572 583 620 676 682 689 715 806 845 1060 1166 1364 1378 1430 1612 1643 1690 1705 1859 2015 2332 2756 2860 2915 3286 3380 3410 3445 3718 4030 4433 5239 5830 6572 6820 6890 7436 7579 8060 8215 8866 8957 9295 10478 11660 13780 15158 16430 17732 17914 18073 18590 20956 21359 22165 26195 30316 32860 35828 36146 37180 37895 42718 44330 44785 52390 57629 72292 75790 85436 88660 89570 90365 98527 104780 106795 115258 151580 179140 180730 197054 213590 230516 234949 277667 288145 361460 394108 427180 469898 492635 555334 576290 939796 985270 1110668 1152580 1174745 1388335 1970540 2349490 2776670 3054337 4698980 5553340 6108674 12217348 15271685 30543370 61086740
- Sum of all divisors σ(n): 159376896
- Sum of proper divisors (its aliquot sum) s(n): 98290156
- 61086740 is an abundant number, because the sum of its proper divisors (98290156) is greater than itself. Its abundance is 37203416
Bases of 61086740
- Binary: 111010010000011100000101002
- Hexadecimal: 0x3A41C14
- Base-36: 10DATW
Squares and roots of 61086740
- 61086740 squared (610867402) is 3731589803827600
- 61086740 cubed (610867403) is 227950656133067606024000
-
The
square root of 61086740 is 7815.8006627601 -
The
cube root of 61086740 is 393.8362156047
Scales and comparisons
How big is 61086740?- 61,086,740 seconds is equal to 1 year, 49 weeks, 32 minutes, 20 seconds.
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To count from 1 to 61,086,740 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 61086740 cubic inches would be around 32.8 feet tall.
Recreational maths with 61086740
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