638213025 is an odd 9-digits composite number following 638213024
and preceding 638213026 . In scientific notation, it is written as 6.38213025 × 10^8.
The sum of its digits is 30. It has a total of 4 prime factors and 12 positive divisors.
There are 340380240 positive integers (up to 638213025) that are relatively prime to 638213025.
638213025 has 12 divisors, whose sum is 1055178992
The reverse of 638213025 is 520312836
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 30
Digital Root 3
Name
six hundred thirty-eight million two hundred thirteen thousand twenty-five
Scientific notation
6.38213025 × 10^8
Engineering notation
6.38213025 × 10^6
Prime Factorization
3 × 5 × 5 × 8509507
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
127642605
Product of the distinct prime numbers
The prime factorization of 638213025 is 3 × 5 × 5 × 8509507.
Since it has a total of 4 prime factors.
3 , 8 , 9 , 80 , 35 , 248 , 3112 , 4207 , 92591 , 48253 , 207334 , 551279 , 7619454 , 7444105 , 58417456 , 34580926 , 213935057 , 452050094 , 91677292 , 5139018652
n×2
1276426050
n×3
1914639075
n×4
2552852100
n×5
3191065125
n÷2
319106512.5
n÷3
212737675
n÷3
159553256.25
n÷5
127642605
n2
407315865279650625
n3
2.5995429051062E+26
n4
1.6590621410851E+35
n5
1.0588350677249E+44
2 √n
25262.878398947
3 √n
860.97106149559
4 √n
158.94300361748
5 √n
57.675734325817
1 , 3 , 5 , 15 , 25 , 75 , 8509507 , 25528521 , 42547535 , 127642605 , 212737675 , 638213025
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
-638213024
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 638213025 can be divided by 12 positive divisors.
The sum of these divisors (counting 638213025) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100110000010100101101110100001
3
Ternary
1122110220120200110
4
Quaternary
212002211232201
5
Quinary
2301340304100
6
Senary
143155041533
8
Octal
4602455641
10
Decimal
638213025
12
Duodecimal
1598a02a9
16
Hexadecimal
260a5ba1
20
Vigesimal
9j8gcb5
36
Base36
ajz4bl
md5
ffa6f31c45e530bc64221c456c876573
sha1
ec6269b655d2ccbc1190045ba695b999a0686cab
sha256
edccc1fc7bfc6aaa1e7814beb4a37ecd2f6cf42c2b7da7fc84dbd15f8d7846de
sha512
b2735f297d9c81eb3b22416bd921b5f5d51f24daf1552fd165c3009703619251851c668380bdf4954fdc9a4c21d4e5d8e7bbf68fc0809b834b1b99803cddfd7c
ripemd-160
109407f655c490d8b3a8e7737f46dd41af63094e
Diameter
1276426050
Circumference
4010010701.5306
Area
1.2796205300531E+18
Volume
1.0888939857831E+27
Surface area
5.1184821202125E+18
Circumference
4010010701.5306
Perimeter
2552852100
Area
407315865279650625
Diagonal
902569515.63816
Surface area
2443895191677903750
Volume
2.5995429051062E+26
Space diagonal
1105417385.3522
Perimeter
1914639075
Area
1.7637294334831E+17
Altitude
552708692.67611
Surface area
1.7637294334831E+17
Volume
3.0635906936433E+25
Height
300856505.21272