638606972 is an even 9-digits composite number following 638606971
and preceding 638606973 . In scientific notation, it is written as 6.38606972 × 10^8.
The sum of its digits is 47. It has a total of 4 prime factors and 12 positive divisors.
There are 298941440 positive integers (up to 638606972) that are relatively prime to 638606972.
638606972 has 12 divisors, whose sum is 1117929120
The reverse of 638606972 is 279606836
Previous prime number is 3247
Is Prime? no Number parity even Number length 9 Sum of Digits 47 Digital Root 2
Name
six hundred thirty-eight million six hundred six thousand nine hundred seventy-two
Scientific notation
6.38606972 × 10^8
Engineering notation
6.38606972 × 10^6
Prime Factorization
2 × 2 × 3247 × 49169
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
319303486 Product of the distinct prime numbers
The prime factorization of 638606972 is 2 × 2 × 3247 × 49169.
Since it has a total of 4 prime factors.
4 , 10 , 67 , 93 , 545 , 401 , 9597 , 8594 , 39117 , 24161 , 475788 , 265674 , 8174758 , 4495079 , 43291373 , 58726576 , 803737961 , 987871534 , 7981696995 , 9886987084
n×2
1277213944
n×3
1915820916
n×4
2554427888
n×5
3193034860
n÷2
319303486
n÷3
212868990.66667
n÷3
159651743
n÷5
127721394.4
n2
407818864687008784
n3
2.6043597030225E+26
n4
1.663162263946E+35
n5
1.0621070173232E+44
2 √n25270.674150089
3 √n861.14817435602
4 √n158.96752545753
5 √n57.682852818764
1 , 2 , 4 , 3247 , 6494 , 12988 , 49169 , 98338 , 196676 , 159651743 , 319303486 , 638606972
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
-638606971 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 638606972 can be divided by 12 positive divisors.
The sum of these divisors (counting 638606972) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100110000100000101111001111100
3
Ternary
1122111122121002002
4
Quaternary
212010011321330
5
Quinary
2301440410342
6
Senary
143211321432
8
Octal
4604057174
10
Decimal
638606972
12
Duodecimal
159a50278
16
Hexadecimal
26105e7c
20
Vigesimal
9jb5h8c
36
Base36
ak7kak
md5
5303ae0d811bb1f6390b6b69a7aca999
sha1
ae9bc8871017c812f46eb6ced5da011042ba0756
sha256
2a4ed88dbb57c64b35274920b96ae85ed0e5ed36f221d35e50f3dc7cca2cd173
sha512
847fcf7216e8bdc39394861b1a92493bda5329f9f82d87dd2ecb42487b6591ce98aaf4d70418b67c82d7cf3824f6613c34ebd93a4af8c2a3236e1ec5eaed3755
ripemd-160
a5122d59206bdb25e46db991916698be131123ac
Diameter
1277213944
Circumference
4012485943.5328
Area
1.281200749296E+18
Volume
1.0909116413761E+27
Surface area
5.1248029971841E+18
Circumference
4012485943.5328
Perimeter
2554427888
Area
407818864687008784
Diagonal
903126640.82842
Surface area
2446913188122052704
Volume
2.6043597030225E+26
Space diagonal
1106099721.5717
Perimeter
1915820916
Area
1.7659074848074E+17
Altitude
553049860.78586
Surface area
1.7659074848074E+17
Volume
3.069267344427E+25
Height
301042213.60947