61989984
61,989,984 is an even composite number composed of five prime numbers multiplied together.
61989984 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 61989984:
25 × 32 × 7 × 97 × 317
(2 × 2 × 2 × 2 × 2 × 3 × 3 × 7 × 97 × 317)See below for interesting mathematical facts about the number 61989984 from the Numbermatics database.
Names of 61989984
- Cardinal: 61989984 can be written as Sixty-one million, nine hundred eighty-nine thousand, nine hundred eighty-four.
Scientific notation
- Scientific notation: 6.1989984 × 107
Factors of 61989984
Divisors of 61989984
- Number of divisors d(n): 144
-
Complete list of divisors:
1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 32 36 42 48 56 63 72 84 96 97 112 126 144 168 194 224 252 288 291 317 336 388 504 582 634 672 679 776 873 951 1008 1164 1268 1358 1552 1746 1902 2016 2037 2219 2328 2536 2716 2853 3104 3492 3804 4074 4438 4656 5072 5432 5706 6111 6657 6984 7608 8148 8876 9312 10144 10864 11412 12222 13314 13968 15216 16296 17752 19971 21728 22824 24444 26628 27936 30432 30749 32592 35504 39942 45648 48888 53256 61498 65184 71008 79884 91296 92247 97776 106512 122996 159768 184494 195552 213024 215243 245992 276741 319536 368988 430486 491984 553482 639072 645729 737976 860972 983968 1106964 1291458 1475952 1721944 1937187 2213928 2582916 2951904 3443888 3874374 4427856 5165832 6887776 7748748 8855712 10331664 15497496 20663328 30994992 61989984
- Sum of all divisors σ(n): 204186528
- Sum of proper divisors (its aliquot sum) s(n): 142196544
- 61989984 is an abundant number, because the sum of its proper divisors (142196544) is greater than itself. Its abundance is 80206560
Bases of 61989984
- Binary: 111011000111100100011000002
- Hexadecimal: 0x3B1E460
- Base-36: 10WNS0
Squares and roots of 61989984
- 61989984 squared (619899842) is 3842758116320256
- 61989984 cubed (619899843) is 238212514146562808315904
-
The
square root of 61989984 is 7873.3718316869 -
The
cube root of 61989984 is 395.7678467867
Scales and comparisons
How big is 61989984?- 61,989,984 seconds is equal to 1 year, 50 weeks, 3 days, 11 hours, 26 minutes, 24 seconds.
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To count from 1 to 61,989,984 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 61989984 cubic inches would be around 33 feet tall.
Recreational maths with 61989984
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