638045479 is an odd 9-digits composite number following 638045478
and preceding 638045480 . In scientific notation, it is written as 6.38045479 × 10^8.
The sum of its digits is 46. It has a total of 4 prime factors and 12 positive divisors.
There are 568901952 positive integers (up to 638045479) that are relatively prime to 638045479.
638045479 has 12 divisors, whose sum is 713012544
The reverse of 638045479 is 974540836
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 46
Digital Root 1
Name
six hundred thirty-eight million forty-five thousand four hundred seventy-nine
Scientific notation
6.38045479 × 10^8
Engineering notation
6.38045479 × 10^6
Prime Factorization
17 × 19 × 19 × 103967
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
33581341
Product of the distinct prime numbers
The prime factorization of 638045479 is 17 × 19 × 19 × 103967.
Since it has a total of 4 prime factors.
9 , 3 , 19 , 15 , 492 , 585 , 300 , 3698 , 18720 , 89188 , 788598 , 84055 , 2655073 , 3036044 , 64649913 , 42778281 , 332154350 , 188466837 , 8903591383 , 337675885
n×2
1276090958
n×3
1914136437
n×4
2552181916
n×5
3190227395
n÷2
319022739.5
n÷3
212681826.33333
n÷3
159511369.75
n÷5
127609095.8
n2
407102033272339441
n3
2.5974961182112E+26
n4
1.6573206549447E+35
n5
1.0574459511408E+44
2 √n
25259.562130013
3 √n
860.89571315219
4 √n
158.93257101681
5 √n
57.672705759146
1 , 17 , 19 , 323 , 361 , 6137 , 103967 , 1767439 , 1975373 , 33581341 , 37532087 , 638045479
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-638045478
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 638045479 can be divided by 12 positive divisors.
The sum of these divisors (counting 638045479) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100110000001111100110100100111
3
Ternary
1122110121001212001
4
Quaternary
212001330310213
5
Quinary
2301314423404
6
Senary
143151310131
8
Octal
4601746447
10
Decimal
638045479
12
Duodecimal
15981b347
16
Hexadecimal
2607cd27
20
Vigesimal
9j7fddj
36
Base36
ajvj1j
md5
c68bd28807d6df793dfb9256745d3a17
sha1
da54c88644118edd1abf8393888439ee330e825e
sha256
65fd2461067b6b30a219db26b3aa90fed9b48fc242ab5bd706a99e14afa2dea7
sha512
0864a7e0e653c0ee8836bdf575a373ef1dc5dc36f2e251c2ef00c90bdfdff0f087f8c2d13e74191d2ff3b624468a6d29cd6d10dc03493c288989ab1bc4cdf6b6
ripemd-160
4abf4bc39cce8b28a02b4ccfc90d04ef211424c7
Diameter
1276090958
Circumference
4008957978.9652
Area
1.2789487569898E+18
Volume
1.0880366296934E+27
Surface area
5.1157950279594E+18
Circumference
4008957978.9652
Perimeter
2552181916
Area
407102033272339441
Diagonal
902332569.81264
Surface area
2442612199634036646
Volume
2.5974961182112E+26
Space diagonal
1105127187.1676
Perimeter
1914136437
Area
1.7628035137307E+17
Altitude
552563593.58381
Surface area
1.7628035137307E+17
Volume
3.0611785321548E+25
Height
300777523.27088