638893634 is an even 9-digits composite number following 638893633
and preceding 638893635 . In scientific notation, it is written as 6.38893634 × 10^8.
The sum of its digits is 50. It has a total of 3 prime factors and 8 positive divisors.
There are 319392916 positive integers (up to 638893634) that are relatively prime to 638893634.
638893634 has 8 divisors, whose sum is 958502160
The reverse of 638893634 is 436398836
Previous prime number is 6779
Is Prime? no Number parity even Number length 9 Sum of Digits 50 Digital Root 5
Name
six hundred thirty-eight million eight hundred ninety-three thousand six hundred thirty-four
Scientific notation
6.38893634 × 10^8
Engineering notation
6.38893634 × 10^6
Prime Factorization
2 × 6779 × 47123
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
638893634 Product of the distinct prime numbers
The prime factorization of 638893634 is 2 × 6779 × 47123.
Since it has a total of 3 prime factors.
9 , 3 , 3 , 66 , 680 , 932 , 9154 , 1051 , 18406 , 41387 , 401385 , 357599 , 8553721 , 51844 , 605377 , 23224263 , 163874913 , 958584777 , 892059019 , 857925907
n×2
1277787268
n×3
1916680902
n×4
2555574536
n×5
3194468170
n÷2
319446817
n÷3
212964544.66667
n÷3
159723408.5
n÷5
127778726.8
n2
408185075565725956
n3
2.6078684627275E+26
n4
1.666150559146E+35
n5
1.0644929855239E+44
2 √n25276.345345006
3 √n861.2770076556
4 √n158.98536204634
5 √n57.688030499077
8 divisors
τ Total Divisors
8 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-638893633 Sum of the proper positive divisors of n
A Arithmetic Mean
0.125 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
8 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 638893634 can be divided by 8 positive divisors.
The sum of these divisors (counting 638893634) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110000101001011111001000010
3
Ternary
1122112012011022012
4
Quaternary
212011023321002
5
Quinary
2302024044014
6
Senary
143221412522
8
Octal
4605137102
10
Decimal
638893634
12
Duodecimal
159b6a142
16
Hexadecimal
2614be42
20
Vigesimal
9jd1e1e
36
Base36
akdphe
md5
9b55baee01823f8330b6754c0d46427c
sha1
b32220e3738a06c6807faa0c5acd940c4b62c52d
sha256
86c735ff885c6fd45b240e6ac56db21d49ad10c1ef8eac0b24d26f1f80c8aaba
sha512
f49f12b39d20bfa46e41ef3225f7825f419364a7a673f068f10426a1a47aea94b84c57309767f4d19c7b2a3979a3f8b9ad117462ce62682be465cab4e360cf7f
ripemd-160
b88e74735141696be28365a8d826b0bb41d9ee55
Diameter
1277787268
Circumference
4014287093.9994
Area
1.2823512347023E+18
Volume
1.0923813872044E+27
Surface area
5.1294049388091E+18
Circumference
4014287093.9994
Perimeter
2555574536
Area
408185075565725956
Diagonal
903532042.11663
Surface area
2449110453394355736
Volume
2.6078684627275E+26
Space diagonal
1106596234.7203
Perimeter
1916680902
Area
1.7674932244279E+17
Altitude
553298117.36016
Surface area
1.7674932244279E+17
Volume
3.0734024573953E+25
Height
301177347.37221