638513668 is an even 9-digits composite number following 638513667
and preceding 638513669 . In scientific notation, it is written as 6.38513668 × 10^8.
The sum of its digits is 46. It has a total of 5 prime factors and 24 positive divisors.
There are 294362880 positive integers (up to 638513668) that are relatively prime to 638513668.
638513668 has 24 divisors, whose sum is 1204723800
The reverse of 638513668 is 866315836
Previous prime number is 941
Is Prime? no Number parity even Number length 9 Sum of Digits 46 Digital Root 1
Name
six hundred thirty-eight million five hundred thirteen thousand six hundred sixty-eight
Scientific notation
6.38513668 × 10^8
Engineering notation
6.38513668 × 10^6
Prime Factorization
2 × 2 × 13 × 941 × 13049
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
319256834 Product of the distinct prime numbers
The prime factorization of 638513668 is 2 × 2 × 13 × 941 × 13049.
Since it has a total of 5 prime factors.
2 , 8 , 75 , 17 , 421 , 276 , 8393 , 5175 , 99993 , 73158 , 859022 , 33560 , 7833662 , 9677796 , 29249024 , 57872652 , 403002540 , 417132781 , 9367150089 , 7184455207
n×2
1277027336
n×3
1915541004
n×4
2554054672
n×5
3192568340
n÷2
319256834
n÷3
212837889.33333
n÷3
159628417
n÷5
127702733.6
n2
407699704222814224
n3
2.6032183358582E+26
n4
1.6621904882337E+35
n5
1.0613313455568E+44
2 √n25268.827990233
3 √n861.10623281439
4 √n158.96171863135
5 √n57.681167163674
1 , 2 , 4 , 13 , 26 , 52 , 941 , 1882 , 3764 , 12233 , 13049 , 24466 , 26098 , 48932 , 52196 , 169637 , 339274 , 678548 , 12279109 , 24558218 , 49116436 , 159628417 , 319256834 , 638513668
24 divisors
τ Total Divisors
24 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-638513667 Sum of the proper positive divisors of n
A Arithmetic Mean
0.041666666666667 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
24 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 638513668 can be divided by 24 positive divisors.
The sum of these divisors (counting 638513668) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100110000011101111001000000100
3
Ternary
1122111110212002101
4
Quaternary
212003233020010
5
Quinary
2301424414133
6
Senary
143205321444
8
Octal
4603571004
10
Decimal
638513668
12
Duodecimal
159a06284
16
Hexadecimal
260ef204
20
Vigesimal
9jae438
36
Base36
ak5kas
md5
a217dcec806c44c830e4379a6a5c920a
sha1
49675e26e9c03a4cba16ec4bc070f3c89f03d03d
sha256
baf84d6b3b689b73b99b841d392d698880722e756abb4a78c482708a96a9a48a
sha512
5f9b487611395fd7a8cabfde029d54acb2272eccc4a8b47b459231afe620b0f02af1f65bc49aa92e242ac315f445640c1faea8944a6f466f89b1e7fb43409c67
ripemd-160
69672b5c896de51af8164b36b544c6a645e57e91
Diameter
1277027336
Circumference
4011899697.2109
Area
1.2808263956571E+18
Volume
1.0904335466163E+27
Surface area
5.1233055826285E+18
Circumference
4011899697.2109
Perimeter
2554054672
Area
407699704222814224
Diagonal
902994689.04619
Surface area
2446198225336885344
Volume
2.6032183358582E+26
Space diagonal
1105938114.3032
Perimeter
1915541004
Area
1.7653915048618E+17
Altitude
552969057.15158
Surface area
1.7653915048618E+17
Volume
3.0679222303242E+25
Height
300998229.68206