638996967 is an odd 9-digits composite number following 638996966
and preceding 638996968 . In scientific notation, it is written as 6.38996967 × 10^8.
The sum of its digits is 63. It has a total of 4 prime factors and 12 positive divisors.
There are 365141088 positive integers (up to 638996967) that are relatively prime to 638996967.
638996967 has 12 divisors, whose sum is 1054852240
The reverse of 638996967 is 769699836
Previous prime number is 3
Is Prime? no Number parity odd Number length 9 Sum of Digits 63 Digital Root 9
Name
six hundred thirty-eight million nine hundred ninety-six thousand nine hundred sixty-seven
Scientific notation
6.38996967 × 10^8
Engineering notation
6.38996967 × 10^6
Prime Factorization
3 × 7 × 3 × 10142809
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
212998989 Product of the distinct prime numbers
The prime factorization of 638996967 is 3 × 7 × 3 × 10142809.
Since it has a total of 4 prime factors.
8 , 7 , 3 , 99 , 14 , 881 , 5224 , 7649 , 61688 , 93394 , 535052 , 727136 , 4827233 , 9295711 , 4107051 , 28049530 , 646207589 , 12937007 , 1483075687 , 1877720293
n×2
1277993934
n×3
1916990901
n×4
2555987868
n×5
3194984835
n÷2
319498483.5
n÷3
212998989
n÷3
159749241.75
n÷5
127799393.4
n2
408317123835199089
n3
2.6091340370486E+26
n4
1.6672287361705E+35
n5
1.0653541057082E+44
2 √n25278.389327645
3 √n861.32343872259
4 √n158.99179012655
5 √n57.689896440863
1 , 3 , 7 , 9 , 21 , 63 , 10142809 , 30428427 , 70999663 , 91285281 , 212998989 , 638996967
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
-638996966 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 638996967 can be divided by 12 positive divisors.
The sum of these divisors (counting 638996967) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100110000101100101000111100111
3
Ternary
1122112101102001100
4
Quaternary
212011211013213
5
Quinary
2302040400332
6
Senary
143223531143
8
Octal
4605450747
10
Decimal
638996967
12
Duodecimal
159bb9ab3
16
Hexadecimal
261651e7
20
Vigesimal
9jdec87
36
Base36
akfx7r
md5
f4b00be7124e07af44a75b71323f144e
sha1
322eccb6287017cab4bac53976ffeb6916f7ed3f
sha256
9786b7d2bb52ba2dca7c5436ee2f627b5a0c9796f9039ff0372df5a6e55ade6b
sha512
e07e00228ed9d4f515e0dbcad7a52b9c976323060ab16869ce0a01bb119795eb117540640e7468358b8b10d874460bc9ffa3c88758f69229fb04ddb68523e069
ripemd-160
7ed6c5c8317f887c317b30b207ce7be0b94b926a
Diameter
1277993934
Circumference
4014936354.3867
Area
1.2827660765756E+18
Volume
1.0929115097364E+27
Surface area
5.1310643063023E+18
Circumference
4014936354.3867
Perimeter
2555987868
Area
408317123835199089
Diagonal
903678177.04667
Surface area
2449902743011194534
Volume
2.6091340370486E+26
Space diagonal
1106775212.7264
Perimeter
1916990901
Area
1.7680650102074E+17
Altitude
553387606.36321
Surface area
1.7680650102074E+17
Volume
3.0748939510361E+25
Height
301226059.01556