638049897 is an odd 9-digits composite number following 638049896
and preceding 638049898 . In scientific notation, it is written as 6.38049897 × 10^8.
The sum of its digits is 54. It has a total of 2 prime factors and 4 positive divisors.
There are 425366592 positive integers (up to 638049897) that are relatively prime to 638049897.
638049897 has 4 divisors, whose sum is 708944340
The reverse of 638049897 is 798940836
Previous prime number is 9
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 54
Digital Root 9
Name
six hundred thirty-eight million forty-nine thousand eight hundred ninety-seven
Scientific notation
6.38049897 × 10^8
Engineering notation
6.38049897 × 10^6
Prime Factorization
9 × 70894433
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
638049897
Product of the distinct prime numbers
The prime factorization of 638049897 is 9 × 70894433.
Since it has a total of 2 prime factors.
4 , 9 , 38 , 11 , 577 , 18 , 6761 , 5959 , 55188 , 75578 , 140751 , 612139 , 2095183 , 6600958 , 84800186 , 54115118 , 276268079 , 753373183 , 2019935773 , 780385692
n×2
1276099794
n×3
1914149691
n×4
2552199588
n×5
3190249485
n÷2
319024948.5
n÷3
212683299
n÷3
159512474.25
n÷5
127609979.4
n2
407107671061710609
n3
2.5975500758883E+26
n4
1.6573665583729E+35
n5
1.0574825618611E+44
2 √n
25259.649581892
3 √n
860.89770017276
4 √n
158.93284613916
5 √n
57.672785627217
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
-638049896
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 638049897 can be divided by 4 positive divisors.
The sum of these divisors (counting 638049897) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110000001111101111001101001
3
Ternary
1122110121021220200
4
Quaternary
212001331321221
5
Quinary
2301320044042
6
Senary
143151342413
8
Octal
4601757151
10
Decimal
638049897
12
Duodecimal
159821a09
16
Hexadecimal
2607de69
20
Vigesimal
9j7g4eh
36
Base36
ajvmg9
md5
8f46f50af27da8d1a6837cc55e7ca6ef
sha1
445da9f64736927c023f0e3fbc7eb6dafc7195c1
sha256
4b4eb53bfcc55aee8da6ed2db1eb8158574f4d15fd4bb0d86496c25a6f1bd106
sha512
43a87ef89360bb1c0b8e2b756ee439fb656a80bc0eb20b2b0e7664a2aea65e92c189681bb707489d7e939535be158406af3b883dd5e3b75a9257c71d56b26898
ripemd-160
433bc5b28d5c2b7725ca201ce8200a0f059e953e
Diameter
1276099794
Circumference
4008985738.0778
Area
1.2789664686275E+18
Volume
1.0880592314323E+27
Surface area
5.1158658745101E+18
Circumference
4008985738.0778
Perimeter
2552199588
Area
407107671061710609
Diagonal
902338817.80816
Surface area
2442646026370263654
Volume
2.5975500758883E+26
Space diagonal
1105134839.3681
Perimeter
1914149691
Area
1.7628279260748E+17
Altitude
552567419.68404
Surface area
1.7628279260748E+17
Volume
3.0612421218871E+25
Height
300779605.93605