639638061 is an odd 9-digits composite number following 639638060
and preceding 639638062 . In scientific notation, it is written as 6.39638061 × 10^8.
The sum of its digits is 42. It has a total of 4 prime factors and 12 positive divisors.
There are 424994808 positive integers (up to 639638061) that are relatively prime to 639638061.
639638061 has 12 divisors, whose sum is 855721152
The reverse of 639638061 is 160836936
Previous prime number is 367
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 42
Digital Root 6
Name
six hundred thirty-nine million six hundred thirty-eight thousand sixty-one
Scientific notation
6.39638061 × 10^8
Engineering notation
6.39638061 × 10^6
Prime Factorization
3 × 1583 × 367 × 367
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1742883
Product of the distinct prime numbers
The prime factorization of 639638061 is 3 × 1583 × 367 × 367.
Since it has a total of 4 prime factors.
4 , 6 , 95 , 96 , 281 , 874 , 6577 , 4511 , 8372 , 65175 , 90328 , 186382 , 8109930 , 3965565 , 44491166 , 25938421 , 162398723 , 680045914 , 1314657249 , 5883828552
n×2
1279276122
n×3
1918914183
n×4
2558552244
n×5
3198190305
n÷2
319819030.5
n÷3
213212687
n÷3
159909515.25
n÷5
127927612.2
n2
409136849079839721
n3
2.6169950082908E+26
n4
1.6739296127498E+35
n5
1.0707090917498E+44
2 √n
25291.066822101
3 √n
861.61139247555
4 √n
159.0316535225
5 √n
57.70146764226
1 , 3 , 367 , 1101 , 1583 , 4749 , 134689 , 404067 , 580961 , 1742883 , 213212687 , 639638061
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-639638060
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 639638061 can be divided by 12 positive divisors.
The sum of these divisors (counting 639638061) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100110001000000001101000101101
3
Ternary
1122120120222110120
4
Quaternary
212020001220231
5
Quinary
2302221404221
6
Senary
143245355153
8
Octal
4610015055
10
Decimal
639638061
12
Duodecimal
15a268ab9
16
Hexadecimal
26201a2d
20
Vigesimal
9jhef31
36
Base36
aktnvx
md5
9bb0f79b2ad0f40ae27f86789e68f284
sha1
b14d8a5d007edff12757d55893d907a729c9ad28
sha256
1a2673e95bdec226fc54e9e40d091287c57c32ec278596eaa55dbeb0ef9afdd3
sha512
00cf129cf13a2fc4ed356475f22ecb7f11221757941614d259e3cd8183e5edb901a67d572b97351e47be1b015e4f13a3d2b6e834e57733dfe27578a271b7ab53
ripemd-160
3e73389f1118f063f9d06c4f626c69eba2bc643f
Diameter
1279276122
Circumference
4018964466.788
Area
1.2853413193821E+18
Volume
1.0962043056703E+27
Surface area
5.1413652775284E+18
Circumference
4018964466.788
Perimeter
2558552244
Area
409136849079839721
Diagonal
904584820.87623
Surface area
2454821094479038326
Volume
2.6169950082908E+26
Space diagonal
1107885620.1068
Perimeter
1918914183
Area
1.7716145246373E+17
Altitude
553942810.05342
Surface area
1.7716145246373E+17
Volume
3.0841581944896E+25
Height
301528273.62541