638966423 is an odd 9-digits prime number following 638966422
and preceding 638966424 . In scientific notation, it is written as 6.38966423 × 10^8.
The sum of its digits is 47. It has a total of 1 prime factors and 2 positive divisors.
There are 638966422 positive integers (up to 638966423) that are relatively prime to 638966423.
638966423 has 2 divisors, whose sum is 638966424
The reverse of 638966423 is 324669836
Previous prime number is 1
Is Prime? yes Number parity odd Number length 9 Sum of Digits 47 Digital Root 2
Name
six hundred thirty-eight million nine hundred sixty-six thousand four hundred twenty-three
Scientific notation
6.38966423 × 10^8
Engineering notation
6.38966423 × 10^6
Prime Factorization
638966423
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
638966423 Product of the distinct prime numbers
The prime factorization of 638966423 is 638966423.
Since it has a total of 1 prime factors.
1 , 6 , 73 , 42 , 248 , 940 , 2014 , 122 , 38279 , 47606 , 432978 , 620174 , 349003 , 1250330 , 58995243 , 9854559 , 972121799 , 673188816 , 9676975723 , 7940825612
n×2
1277932846
n×3
1916899269
n×4
2555865692
n×5
3194832115
n÷2
319483211.5
n÷3
212988807.66667
n÷3
159741605.75
n÷5
127793284.6
n2
408278089721414929
n3
2.6087599057857E+26
n4
1.6669099854657E+35
n5
1.065099510876E+44
2 √n25277.785168009
3 √n861.30971477518
4 √n158.98989014402
5 √n57.689344915901
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
638966424 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
319483212 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
25277.785187789 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999968699 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 638966423 can be divided by 2 positive divisors.
The sum of these divisors (counting 638966423) is 638966424, the average is 319483212.
Base
System
Value
2
Binary
100110000101011101101010010111
3
Ternary
1122112022212011002
4
Quaternary
212011131222113
5
Quinary
2302033411143
6
Senary
143223133515
8
Octal
4605355227
10
Decimal
638966423
12
Duodecimal
159ba429b
16
Hexadecimal
2615da97
20
Vigesimal
9jdag13
36
Base36
akf9nb
md5
550312ef21d01059c80b254741de785c
sha1
4c05deb9406a9b11bf090f0c9f3dfb8664604065
sha256
9346e640786fd6e559bedc935e652043566649db39255bb15c94eab69dccd226
sha512
7492cac6e1b29b709a76ff94715ceb7604e83541c3c8f0557d39ea5fd3ef2b8562416cc234eaaa6a2b58c085a3b591681e53109e9b20307765aecf258a627ca6
ripemd-160
8a30961826f95ce1d89f554136a77d67dc2231b9
Diameter
1277932846
Circumference
4014744440.7747
Area
1.2826434472905E+18
Volume
1.0927547939994E+27
Surface area
5.1305737891619E+18
Circumference
4014744440.7747
Perimeter
2555865692
Area
408278089721414929
Diagonal
903634981.30762
Surface area
2449668538328489574
Volume
2.6087599057857E+26
Space diagonal
1106722308.9665
Perimeter
1916899269
Area
1.7678959875366E+17
Altitude
553361154.48327
Surface area
1.7678959875366E+17
Volume
3.0744530331144E+25
Height
301211660.43587