638524940 is an even 9-digits composite number following 638524939
and preceding 638524941 . In scientific notation, it is written as 6.38524940 × 10^8.
The sum of its digits is 41. It has a total of 4 prime factors and 12 positive divisors.
There are 255409968 positive integers (up to 638524940) that are relatively prime to 638524940.
638524940 has 12 divisors, whose sum is 1340902416
The reverse of 638524940 is 049425836
Previous prime number is 5
Is Prime? no
Number parity even
Number length 9
Sum of Digits 41
Digital Root 5
Name
six hundred thirty-eight million five hundred twenty-four thousand nine hundred forty
Scientific notation
6.38524940 × 10^8
Engineering notation
6.38524940 × 10^6
Prime Factorization
2 × 2 × 5 × 31926247
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
319262470
Product of the distinct prime numbers
The prime factorization of 638524940 is 2 × 2 × 5 × 31926247.
Since it has a total of 4 prime factors.
4 , 2 , 53 , 6 , 403 , 514 , 9518 , 100 , 32303 , 592 , 565966 , 545732 , 4212 , 9668023 , 79267098 , 79391288 , 79683897 , 374591573 , 9894076187 , 1725058834
n×2
1277049880
n×3
1915574820
n×4
2554099760
n×5
3192624700
n÷2
319262470
n÷3
212841646.66667
n÷3
159631235
n÷5
127704988
n2
407714099002003600
n3
2.6033562060241E+26
n4
1.6623078652502E+35
n5
1.0614250299204E+44
2 √n
25269.051030856
3 √n
861.11129996373
4 √n
158.96242018432
5 √n
57.681370817114
1 , 2 , 4 , 5 , 10 , 20 , 31926247 , 63852494 , 127704988 , 159631235 , 319262470 , 638524940
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
-638524939
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 638524940 can be divided by 12 positive divisors.
The sum of these divisors (counting 638524940) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100110000011110001111000001100
3
Ternary
1122111111102112212
4
Quaternary
212003301320030
5
Quinary
2301430244230
6
Senary
143205445552
8
Octal
4603617014
10
Decimal
638524940
12
Duodecimal
159a108b8
16
Hexadecimal
260f1e0c
20
Vigesimal
9jafc70
36
Base36
ak5szw
md5
6b27a664a0dd555fe1b41b785adc3a22
sha1
d76fa452db7a3b5b7dcb979977f166d8ab9f7cec
sha256
b580336e7769304cd27bb76d970195e37bd13f2ee8377e878da754202bd7eaa3
sha512
f5380041650fcae29b3ff6ed82c8470feb36cc8446134ede002966622ff3c0b20bab8974b2a57ba5de366b5e2538ebc6350d04a4f40d1527fdb069a6f724f241
ripemd-160
1213419482eb6b522623a102332e849e62251338
Diameter
1277049880
Circumference
4011970521.2757
Area
1.2808716181897E+18
Volume
1.0904912975364E+27
Surface area
5.1234864727587E+18
Circumference
4011970521.2757
Perimeter
2554099760
Area
407714099002003600
Diagonal
903010630.06147
Surface area
2446284594012021600
Volume
2.6033562060241E+26
Space diagonal
1105957637.9799
Perimeter
1915574820
Area
1.7654538360841E+17
Altitude
552978818.98993
Surface area
1.7654538360841E+17
Volume
3.0680847118729E+25
Height
301003543.35382