639628085 is an odd 9-digits composite number following 639628084
and preceding 639628086 . In scientific notation, it is written as 6.39628085 × 10^8.
The sum of its digits is 47. It has a total of 3 prime factors and 8 positive divisors.
There are 499221760 positive integers (up to 639628085) that are relatively prime to 639628085.
639628085 has 8 divisors, whose sum is 786274776
The reverse of 639628085 is 580826936
Previous prime number is 41
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 47
Digital Root 2
Name
six hundred thirty-nine million six hundred twenty-eight thousand eighty-five
Scientific notation
6.39628085 × 10^8
Engineering notation
6.39628085 × 10^6
Prime Factorization
5 × 41 × 3120137
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
639628085
Product of the distinct prime numbers
The prime factorization of 639628085 is 5 × 41 × 3120137.
Since it has a total of 3 prime factors.
6 , 3 , 78 , 82 , 711 , 838 , 6605 , 7281 , 54510 , 92218 , 930075 , 253310 , 4135685 , 652340 , 32608982 , 9179653 , 696491009 , 348291956 , 1685533999 , 3995891335
n×2
1279256170
n×3
1918884255
n×4
2558512340
n×5
3198140425
n÷2
319814042.5
n÷3
213209361.66667
n÷3
159907021.25
n÷5
127925617
n2
409124087120767225
n3
2.6168725637243E+26
n4
1.673825186624E+35
n5
1.0706255987451E+44
2 √n
25290.869597544
3 √n
861.60691312988
4 √n
159.03103344173
5 √n
57.701287655025
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-639628084
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 639628085 can be divided by 8 positive divisors.
The sum of these divisors (counting 639628085) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110000111111111001100110101
3
Ternary
1122120120110210002
4
Quaternary
212013333030311
5
Quinary
2302221044320
6
Senary
143245241045
8
Octal
4607771465
10
Decimal
639628085
12
Duodecimal
15a263185
16
Hexadecimal
261ff335
20
Vigesimal
9jhda45
36
Base36
aktg6t
md5
7fb0e482165d29fa17025626a456c028
sha1
9a7a682a89933170cfd96aabc38678bb6313156b
sha256
6bfb72b22bb60befadefb589b79a4bfbb62d605e23f92715a7bd2e4ab598c045
sha512
5b4a072e5f40e54453e2fef5404de6ec32d0fb37267d5a0fe198c0c5ac79878bca547383b932581cc1194e839b72535f17a16549fe7eba59d1edeffb38eb2c7d
ripemd-160
92bbc7e08fd2cf5972b84abe9338811840994b7e
Diameter
1279256170
Circumference
4018901785.7314
Area
1.2853012265052E+18
Volume
1.0961530162103E+27
Surface area
5.1412049060209E+18
Circumference
4018901785.7314
Perimeter
2558512340
Area
409124087120767225
Diagonal
904570712.68173
Surface area
2454744522724603350
Volume
2.6168725637243E+26
Space diagonal
1107868341.168
Perimeter
1918884255
Area
1.7715592637335E+17
Altitude
553934170.58399
Surface area
1.7715592637335E+17
Volume
3.0840138921841E+25
Height
301523570.89391