638698055 is an odd 9-digits composite number following 638698054
and preceding 638698056 . In scientific notation, it is written as 6.38698055 × 10^8.
The sum of its digits is 50. It has a total of 3 prime factors and 8 positive divisors.
There are 508536000 positive integers (up to 638698055) that are relatively prime to 638698055.
638698055 has 8 divisors, whose sum is 770071344
The reverse of 638698055 is 550896836
Previous prime number is 211
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 50
Digital Root 5
Name
six hundred thirty-eight million six hundred ninety-eight thousand fifty-five
Scientific notation
6.38698055 × 10^8
Engineering notation
6.38698055 × 10^6
Prime Factorization
5 × 211 × 605401
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
638698055
Product of the distinct prime numbers
The prime factorization of 638698055 is 5 × 211 × 605401.
Since it has a total of 3 prime factors.
7 , 6 , 22 , 62 , 197 , 78 , 1086 , 3823 , 786 , 60748 , 671605 , 180298 , 4391271 , 5058942 , 49739861 , 21713855 , 505073824 , 297124153 , 6588840763 , 7146540090
n×2
1277396110
n×3
1916094165
n×4
2554792220
n×5
3193490275
n÷2
319349027.5
n÷3
212899351.66667
n÷3
159674513.75
n÷5
127739611
n2
407935205460783025
n3
2.6054742229383E+26
n4
1.6641113185433E+35
n5
1.0628646624571E+44
2 √n
25272.476234038
3 √n
861.1891135846
4 √n
158.9731934448
5 √n
57.684498158636
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
-638698054
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 638698055 can be divided by 8 positive divisors.
The sum of these divisors (counting 638698055) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110000100011100001001000111
3
Ternary
1122111211020000112
4
Quaternary
212010130021013
5
Quinary
2302001314210
6
Senary
143213303235
8
Octal
4604341107
10
Decimal
638698055
12
Duodecimal
159a94b1b
16
Hexadecimal
2611c247
20
Vigesimal
9jbh52f
36
Base36
ak9ikn
md5
6d12c31dd9d76fbbd5cb1edc3ee92b6f
sha1
2e13dc716bc63b726414de567325ea82544262d9
sha256
dc981f9a396b79bd1bb15c50feeeebbc62061f47f3abce3190894c555db5d824
sha512
b4dd97a045a6c9646ece46a0879af54e885ac394cabdb2c6f56aacc640aee7cd0f3648fd26be2064e8bd601af6b051ed959098f9978194520a84f751ccba75ca
ripemd-160
7d8439282566c4a7c626b8045f29e9a0f396c404
Diameter
1277396110
Circumference
4013058234.9002
Area
1.2815662446162E+18
Volume
1.0913784903867E+27
Surface area
5.126264978465E+18
Circumference
4013058234.9002
Perimeter
2554792220
Area
407935205460783025
Diagonal
903255451.64232
Surface area
2447611232764698150
Volume
2.6054742229383E+26
Space diagonal
1106257481.9554
Perimeter
1916094165
Area
1.7664112551353E+17
Altitude
553128740.97771
Surface area
1.7664112551353E+17
Volume
3.070580818744E+25
Height
301085150.54744