638691325 is an odd 9-digits composite number following 638691324
and preceding 638691326 . In scientific notation, it is written as 6.38691325 × 10^8.
The sum of its digits is 43. It has a total of 3 prime factors and 6 positive divisors.
There are 510953040 positive integers (up to 638691325) that are relatively prime to 638691325.
638691325 has 6 divisors, whose sum is 791977274
The reverse of 638691325 is 523196836
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 43
Digital Root 7
Name
six hundred thirty-eight million six hundred ninety-one thousand three hundred twenty-five
Scientific notation
6.38691325 × 10^8
Engineering notation
6.38691325 × 10^6
Prime Factorization
5 × 5 × 25547653
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
127738265
Product of the distinct prime numbers
The prime factorization of 638691325 is 5 × 5 × 25547653.
Since it has a total of 3 prime factors.
8 , 10 , 100 , 40 , 549 , 821 , 8988 , 6031 , 370 , 15942 , 699668 , 547982 , 1919625 , 5267990 , 19025102 , 34959834 , 142639879 , 296836296 , 2236311947 , 3944891687
n×2
1277382650
n×3
1916073975
n×4
2554765300
n×5
3193456625
n÷2
319345662.5
n÷3
212897108.33333
n÷3
159672831.25
n÷5
127738265
n2
407926608630255625
n3
2.6053918616881E+26
n4
1.6640411802858E+35
n5
1.0628086662913E+44
2 √n
25272.343084882
3 √n
861.1860887734
4 √n
158.97277466561
5 √n
57.684376593115
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-638691324
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 638691325 can be divided by 6 positive divisors.
The sum of these divisors (counting 638691325) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
100110000100011010011111111101
3
Ternary
1122111210212210021
4
Quaternary
212010122133331
5
Quinary
2302001110300
6
Senary
143213212141
8
Octal
4604323775
10
Decimal
638691325
12
Duodecimal
159a91051
16
Hexadecimal
2611a7fd
20
Vigesimal
9jbg865
36
Base36
ak9ddp
md5
2c56ee798f9adc9158f46439e72a8cf9
sha1
049d9b71421f2c3ff89a110e44e116e30eb7fb37
sha256
a02cf94795abce67f8f49c18fbf9fe76591924ca4a249b9c50e7c3250d6359c6
sha512
f9ff7b8903d4b94c31cd19e72793cbdc814eb944933fff093115255d9813998a50031313554643f50327adb38796cfc0e2967627575441a5e09fed3b188b804f
ripemd-160
f3725772bf9b01ae7257c0200eeb0294b244698a
Diameter
1277382650
Circumference
4013015949.0631
Area
1.2815392368766E+18
Volume
1.0913439909869E+27
Surface area
5.1261569475064E+18
Circumference
4013015949.0631
Perimeter
2554765300
Area
407926608630255625
Diagonal
903245933.98504
Surface area
2447559651781533750
Volume
2.6053918616881E+26
Space diagonal
1106245825.2535
Perimeter
1916073975
Area
1.7663740297672E+17
Altitude
553122912.62674
Surface area
1.7663740297672E+17
Volume
3.0704837550799E+25
Height
301081977.99501