65939987 is an odd 8-digits composite number following 65939986
and preceding 65939988 . In scientific notation, it is written as 6.5939987 × 10^7.
The sum of its digits is 56. It has a total of 2 prime factors and 4 positive divisors.
There are 65903400 positive integers (up to 65939987) that are relatively prime to 65939987.
65939987 has 4 divisors, whose sum is 65976576
The reverse of 65939987 is 78993956
Previous prime number is 1901
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 56
Digital Root 2
Name
sixty-five million nine hundred thirty-nine thousand nine hundred eighty-seven
Scientific notation
6.5939987 × 10^7
Engineering notation
6.5939987 × 10^6
Prime Factorization
1901 × 34687
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
65939987
Product of the distinct prime numbers
The prime factorization of 65939987 is 1901 × 34687.
Since it has a total of 2 prime factors.
1 , 4 , 62 , 90 , 116 , 444 , 5772 , 543 , 67351 , 42375 , 770387 , 516560 , 7041274 , 5038461 , 6254602 , 59666699 , 857230710 , 17565184 , 1648213885 , 427003343
n×2
131879974
n×3
197819961
n×4
263759948
n×5
329699935
n÷2
32969993.5
n÷3
21979995.666667
n÷3
16484996.75
n÷5
13187997.4
n2
4348081885560169
n3
2.8671246300877E+23
n4
1.8905816083536E+31
n5
1.2466492667728E+39
2 √n
8120.3440198061
3 √n
404.00147656553
4 √n
90.112951454306
5 √n
36.629397181426
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-65939986
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 65939987 can be divided by 4 positive divisors.
The sum of these divisors (counting 65939987) is 1, the average is 0.25.
Base
System
Value
2
Binary
11111011100010101000010011
3
Ternary
11121002002122202
4
Quaternary
3323202220103
5
Quinary
113340034422
6
Senary
10313153415
8
Octal
373425023
10
Decimal
65939987
12
Duodecimal
1a0bb86b
16
Hexadecimal
3ee2a13
20
Vigesimal
10c29j7
36
Base36
139bmb
md5
5a00f0d5b0715d6434849160c10d9e09
sha1
57a0c81a9813bb4e5ad7494f1fd4f49be6ccb192
sha256
fb8948bd671ca44bb52b2f536d1acc36ded7c1622b3fab149c01c1d504619951
sha512
11f85f2941fe374497d00581bf3dc5ba7700d63a0582f412d52854dc943c3df257b45cb82a254497a8b9b5a247785e0883d49ad770885d354e7f64da4674c7bf
ripemd-160
3ea54843683a00b5518626d031a91b04c8230af8
Diameter
131879974
Circumference
414313157.47401
Area
1.3659902108883E+16
Volume
1.2009783566413E+24
Surface area
5.4639608435531E+16
Circumference
414313157.47401
Perimeter
263759948
Area
4348081885560169
Diagonal
93253223.918106
Surface area
26088491313361014
Volume
2.8671246300877E+23
Space diagonal
114211407.73443
Perimeter
197819961
Area
1.882774685315E+15
Altitude
57105703.867216
Surface area
1.882774685315E+15
Volume
3.3789387807367E+22
Height
31084407.972702