639526972 is an even 9-digits composite number following 639526971
and preceding 639526973 . In scientific notation, it is written as 6.39526972 × 10^8.
The sum of its digits is 49. It has a total of 4 prime factors and 12 positive divisors.
There are 274082976 positive integers (up to 639526972) that are relatively prime to 639526972.
639526972 has 12 divisors, whose sum is 1279054000
The reverse of 639526972 is 279625936
Previous prime number is 7
Is Prime? no Number parity even Number length 9 Sum of Digits 49 Digital Root 4
Name
six hundred thirty-nine million five hundred twenty-six thousand nine hundred seventy-two
Scientific notation
6.39526972 × 10^8
Engineering notation
6.39526972 × 10^6
Prime Factorization
2 × 2 × 7 × 22840249
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
319763486 Product of the distinct prime numbers
The prime factorization of 639526972 is 2 × 2 × 7 × 22840249.
Since it has a total of 4 prime factors.
5 , 10 , 72 , 29 , 285 , 611 , 7899 , 9065 , 39742 , 80921 , 313377 , 599245 , 96460 , 8428533 , 14043687 , 82873663 , 206638686 , 671874661 , 3754544937 , 5048898188
n×2
1279053944
n×3
1918580916
n×4
2558107888
n×5
3197634860
n÷2
319763486
n÷3
213175657.33333
n÷3
159881743
n÷5
127905394.4
n2
408994747915488784
n3
2.615631726983E+26
n4
1.6727670382245E+35
n5
1.0697796388171E+44
2 √n25288.870516494
3 √n861.56150953108
4 √n159.02474812586
5 √n57.699463245062
1 , 2 , 4 , 7 , 14 , 28 , 22840249 , 45680498 , 91360996 , 159881743 , 319763486 , 639526972
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
-639526971 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 639526972 can be divided by 12 positive divisors.
The sum of these divisors (counting 639526972) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100110000111100110100000111100
3
Ternary
1122120101100002011
4
Quaternary
212013212200330
5
Quinary
2302204330342
6
Senary
143243141004
8
Octal
4607464074
10
Decimal
639526972
12
Duodecimal
15a214764
16
Hexadecimal
261e683c
20
Vigesimal
9jh0h8c
36
Base36
akra64
md5
863eb8531d37d22df19b9fd40faecdfc
sha1
b3c7d9bde31b481af3a148b70ac1f86d4f827c85
sha256
06c437ba8da5ea95134fc144565e9384a30ecce3e9dc1e099c60e4a6a79c6cdc
sha512
67e912d7cf21964080b64bd025a62273080dd710c93476262e3a5aada8704f2199350c2cd5b59a060f4a6f7edae272218dfe152ac854fc5f467e8c27710a0da0
ripemd-160
3dc56f506d8ea9a92dc3588fabcbeb2f0778eb8e
Diameter
1279053944
Circumference
4018266474.0155
Area
1.2848948954081E+18
Volume
1.0956332557315E+27
Surface area
5.1395795816324E+18
Circumference
4018266474.0155
Perimeter
2558107888
Area
408994747915488784
Diagonal
904427717.3058
Surface area
2453968487492932704
Volume
2.615631726983E+26
Space diagonal
1107693208.3147
Perimeter
1918580916
Area
1.7709992085461E+17
Altitude
553846604.15734
Surface area
1.7709992085461E+17
Volume
3.0825515520606E+25
Height
301475905.7686