638993608 is an even 9-digits composite number following 638993607
and preceding 638993609 . In scientific notation, it is written as 6.38993608 × 10^8.
The sum of its digits is 52. It has a total of 5 prime factors and 16 positive divisors.
There are 290451600 positive integers (up to 638993608) that are relatively prime to 638993608.
638993608 has 16 divisors, whose sum is 1307032560
The reverse of 638993608 is 806399836
Previous prime number is 11
Is Prime? no
Number parity even
Number length 9
Sum of Digits 52
Digital Root 7
Name
six hundred thirty-eight million nine hundred ninety-three thousand six hundred eight
Scientific notation
6.38993608 × 10^8
Engineering notation
6.38993608 × 10^6
Prime Factorization
2 × 2 × 2 × 11 × 7261291
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
159748402
Product of the distinct prime numbers
The prime factorization of 638993608 is 2 × 2 × 2 × 11 × 7261291.
Since it has a total of 5 prime factors.
10 , 2 , 64 , 26 , 78 , 604 , 740 , 8956 , 45755 , 36707 , 881185 , 956996 , 1970903 , 7184594 , 93958279 , 98470631 , 757729242 , 785705823 , 203330986 , 5167981517
n×2
1277987216
n×3
1916980824
n×4
2555974432
n×5
3194968040
n÷2
319496804
n÷3
212997869.33333
n÷3
159748402
n÷5
127798721.6
n2
408312831064857664
n3
2.6090928911483E+26
n4
1.667193680122E+35
n5
1.0653261048959E+44
2 √n
25278.322887407
3 √n
861.3219294872
4 √n
158.99158118406
5 √n
57.689835789317
1 , 2 , 4 , 8 , 11 , 22 , 44 , 88 , 7261291 , 14522582 , 29045164 , 58090328 , 79874201 , 159748402 , 319496804 , 638993608
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
-638993607
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 638993608 can be divided by 16 positive divisors.
The sum of these divisors (counting 638993608) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110000101100100010011001000
3
Ternary
1122112101020102221
4
Quaternary
212011210103020
5
Quinary
2302040243413
6
Senary
143223503424
8
Octal
4605442310
10
Decimal
638993608
12
Duodecimal
159bb7b74
16
Hexadecimal
261644c8
20
Vigesimal
9jde408
36
Base36
akfumg
md5
1a642ad33eacbf990339be5aa92e9537
sha1
6421757f0e6df167fd716b06121336f58100212d
sha256
c69bae12ef5393cdba1598df42283ca14f060664d0dc86f209ea573e92508c1c
sha512
3bea2995f6e5b7558626ef58d6cae1315c9d4c82670a3a733864c7e5750f85a2e5bf3f4fcec2d4d104a1ceb166b70a1cb4aaffe15043582cb77a391acb3990c9
ripemd-160
efe4bffa0a9172efe4620f27613e04a1f7030d07
Diameter
1277987216
Circumference
4014915249.1673
Area
1.2827525904398E+18
Volume
1.092894274582E+27
Surface area
5.1310103617592E+18
Circumference
4014915249.1673
Perimeter
2555974432
Area
408312831064857664
Diagonal
903673426.70332
Surface area
2449876986389145984
Volume
2.6090928911483E+26
Space diagonal
1106769394.7678
Perimeter
1916980824
Area
1.7680464219666E+17
Altitude
553384697.38388
Surface area
1.7680464219666E+17
Volume
3.0748454601276E+25
Height
301224475.56777