638893669 is an odd 9-digits composite number following 638893668
and preceding 638893670 . In scientific notation, it is written as 6.38893669 × 10^8.
The sum of its digits is 58. It has a total of 2 prime factors and 4 positive divisors.
There are 638593120 positive integers (up to 638893669) that are relatively prime to 638893669.
638893669 has 4 divisors, whose sum is 639194220
The reverse of 638893669 is 966398836
Previous prime number is 2141
Is Prime? no Number parity odd Number length 9 Sum of Digits 58 Digital Root 4
Name
six hundred thirty-eight million eight hundred ninety-three thousand six hundred sixty-nine
Scientific notation
6.38893669 × 10^8
Engineering notation
6.38893669 × 10^6
Prime Factorization
2141 × 298409
Composite number
ω Distinct Factors
2 Total number of distinct prime factors
Ω Total Factors
2 Total number of prime factors
rad Radical
638893669 Product of the distinct prime numbers
The prime factorization of 638893669 is 2141 × 298409.
Since it has a total of 2 prime factors.
8 , 9 , 11 , 95 , 731 , 91 , 918 , 2511 , 51829 , 97 , 423965 , 361554 , 4584941 , 4824702 , 82177140 , 14086060 , 185856438 , 84197619 , 6501484754 , 4217597218
n×2
1277787338
n×3
1916681007
n×4
2555574676
n×5
3194468345
n÷2
319446834.5
n÷3
212964556.33333
n÷3
159723417.25
n÷5
127778733.8
n2
408185120288281561
n3
2.6078688913219E+26
n4
1.6661509242476E+35
n5
1.0644932771003E+44
2 √n25276.346037353
3 √n861.27702338315
4 √n158.98536422373
5 √n57.688031131132
4 divisors
τ Total Divisors
4 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-638893668 Sum of the proper positive divisors of n
A Arithmetic Mean
0.25 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
4 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 638893669 can be divided by 4 positive divisors.
The sum of these divisors (counting 638893669) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110000101001011111001100101
3
Ternary
1122112012011100111
4
Quaternary
212011023321211
5
Quinary
2302024044134
6
Senary
143221413021
8
Octal
4605137145
10
Decimal
638893669
12
Duodecimal
159b6a171
16
Hexadecimal
2614be65
20
Vigesimal
9jd1e39
36
Base36
akdpid
md5
568e44e97de3485dfa398fe26981dbac
sha1
04a73aa981135abe1e1aa6d05e4e8bf53b7da085
sha256
cb3ef5cab5e2660d9a62d2504a98d95443ff0cbb24e0dd4dfb324e4b4c6945aa
sha512
686bda0335c38364e1f6ac69f32fb9360a9c5d56b6998182e9dcca76a8c90754e69b1a6f38cd1fa094f61213d0804506e3d1234fd2d78eef6fd9e94a42483125
ripemd-160
360ca6bb011057e61601e84507b284c00f1cfc05
Diameter
1277787338
Circumference
4014287313.9109
Area
1.2823513752023E+18
Volume
1.0923815667336E+27
Surface area
5.1294055008093E+18
Circumference
4014287313.9109
Perimeter
2555574676
Area
408185120288281561
Diagonal
903532091.61411
Surface area
2449110721729689366
Volume
2.6078688913219E+26
Space diagonal
1106596295.3421
Perimeter
1916681007
Area
1.7674934180823E+17
Altitude
553298147.67105
Surface area
1.7674934180823E+17
Volume
3.0734029624986E+25
Height
301177363.87137