639632457 is an odd 9-digits composite number following 639632456
and preceding 639632458 . In scientific notation, it is written as 6.39632457 × 10^8.
The sum of its digits is 45. It has a total of 4 prime factors and 12 positive divisors.
There are 425386080 positive integers (up to 639632457) that are relatively prime to 639632457.
639632457 has 12 divisors, whose sum is 720344716
The reverse of 639632457 is 754236936
Previous prime number is 421
Is Prime? no Number parity odd Number length 9 Sum of Digits 45 Digital Root 9
Name
six hundred thirty-nine million six hundred thirty-two thousand four hundred fifty-seven
Scientific notation
6.39632457 × 10^8
Engineering notation
6.39632457 × 10^6
Prime Factorization
9 × 9 × 421 × 18757
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
71070273 Product of the distinct prime numbers
The prime factorization of 639632457 is 9 × 9 × 421 × 18757.
Since it has a total of 4 prime factors.
10 , 2 , 1 , 39 , 620 , 711 , 2845 , 1668 , 5205 , 14600 , 965639 , 71919 , 9939156 , 2174064 , 69482714 , 51778101 , 223610094 , 865324846 , 1812895283 , 8064979849
n×2
1279264914
n×3
1918897371
n×4
2558529828
n×5
3198162285
n÷2
319816228.5
n÷3
213210819
n÷3
159908114.25
n÷5
127926491.4
n2
409129680047856849
n3
2.6169262248063E+26
n4
1.6738709509606E+35
n5
1.0706621890639E+44
2 √n25290.956031752
3 √n861.60887621693
4 √n159.03130519414
5 √n57.701366535032
1 , 9 , 81 , 421 , 3789 , 18757 , 34101 , 168813 , 1519317 , 7896697 , 71070273 , 639632457
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
-639632456 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 639632457 can be divided by 12 positive divisors.
The sum of these divisors (counting 639632457) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100110001000000000010001001001
3
Ternary
1122120120200210000
4
Quaternary
212020000101021
5
Quinary
2302221214312
6
Senary
143245313213
8
Octal
4610002111
10
Decimal
639632457
12
Duodecimal
15a265809
16
Hexadecimal
26200449
20
Vigesimal
9jhe12h
36
Base36
aktjk9
md5
b323ab4ed258891a212fc9e30486ce85
sha1
580b1adfdf18e5e1c93717ded4b01dce4307b134
sha256
79a60c98554056a3784eaa1b365b939ade95067f54abbae99c3b5653f1ab53b2
sha512
d4c06db6c066cc232f1fb7bfeef25469911be53d682ac86ea579e357c2fb20b47d14362f6eb42e1df6088eb6155a31ebac1edd4f90f15c91be8999baa01a296c
ripemd-160
7871a31cabaf9ad1aa72dda98101b88e4e1bd993
Diameter
1279264914
Circumference
4018929255.8176
Area
1.2853187972039E+18
Volume
1.0961754937117E+27
Surface area
5.1412751888156E+18
Circumference
4018929255.8176
Perimeter
2558529828
Area
409129680047856849
Diagonal
904576895.62343
Surface area
2454778080287141094
Volume
2.6169262248063E+26
Space diagonal
1107875913.6941
Perimeter
1918897371
Area
1.7715834818182E+17
Altitude
553937956.84706
Surface area
1.7715834818182E+17
Volume
3.0840771323758E+25
Height
301525631.87448