638992065 is an odd 9-digits composite number following 638992064
and preceding 638992066 . In scientific notation, it is written as 6.38992065 × 10^8.
The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors.
There are 335708736 positive integers (up to 638992065) that are relatively prime to 638992065.
638992065 has 16 divisors, whose sum is 1037648448
The reverse of 638992065 is 560299836
Previous prime number is 67
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 48
Digital Root 3
Name
six hundred thirty-eight million nine hundred ninety-two thousand sixty-five
Scientific notation
6.38992065 × 10^8
Engineering notation
6.38992065 × 10^6
Prime Factorization
3 × 5 × 67 × 635813
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
638992065
Product of the distinct prime numbers
The prime factorization of 638992065 is 3 × 5 × 67 × 635813.
Since it has a total of 4 prime factors.
4 , 10 , 58 , 26 , 238 , 721 , 1766 , 6209 , 81573 , 45779 , 668579 , 455705 , 8759118 , 4225505 , 58591349 , 98699122 , 373617374 , 343009553 , 6640629240 , 3653475996
n×2
1277984130
n×3
1916976195
n×4
2555968260
n×5
3194960325
n÷2
319496032.5
n÷3
212997355
n÷3
159748016.25
n÷5
127798413
n2
408310859132964225
n3
2.609073990393E+26
n4
1.667177576859E+35
n5
1.0653132425588E+44
2 √n
25278.292367168
3 √n
861.32123619868
4 √n
158.99148520335
5 √n
57.689807928161
1 , 3 , 5 , 15 , 67 , 201 , 335 , 1005 , 635813 , 1907439 , 3179065 , 9537195 , 42599471 , 127798413 , 212997355 , 638992065
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-638992064
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 638992065 can be divided by 16 positive divisors.
The sum of these divisors (counting 638992065) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110000101100011111011000001
3
Ternary
1122112101011022210
4
Quaternary
212011203323001
5
Quinary
2302040221230
6
Senary
143223452333
8
Octal
4605437301
10
Decimal
638992065
12
Duodecimal
159bb70a9
16
Hexadecimal
26163ec1
20
Vigesimal
9jde035
36
Base36
akftfl
md5
88e61befe54bfa86c22de6fa93ac46fd
sha1
8deca4936dac9d7ca3d32adbab5024713dfe8835
sha256
ac19d3c7e7ead3c2404e88fa28f02ce59dde4e63b94a052976ac3f283adf7872
sha512
8021b706cf7104a91c4a19bc4619af792f85d64417ae79504494b3d9e7a406368f2a49ea407af5b33881fe536008766075b15bec54f2a0b2ada1a58190947bbc
ripemd-160
37eb3d7c38505c38437c2aea8ebfb6cf95e44271
Diameter
1277984130
Circumference
4014905554.2123
Area
1.2827463954331E+18
Volume
1.0928863574521E+27
Surface area
5.1309855817322E+18
Circumference
4014905554.2123
Perimeter
2555968260
Area
408310859132964225
Diagonal
903671244.57179
Surface area
2449865154797785350
Volume
2.609073990393E+26
Space diagonal
1106766722.2134
Perimeter
1916976195
Area
1.768037883251E+17
Altitude
553383361.10668
Surface area
1.768037883251E+17
Volume
3.0748231853739E+25
Height
301223748.1906