638963390 is an even 9-digits composite number following 638963389
and preceding 638963391 . In scientific notation, it is written as 6.38963390 × 10^8.
The sum of its digits is 47. It has a total of 4 prime factors and 16 positive divisors.
There are 234552960 positive integers (up to 638963390) that are relatively prime to 638963390.
638963390 has 16 divisors, whose sum is 978850224
The reverse of 638963390 is 093369836
Previous prime number is 173
Is Prime? no
Number parity even
Number length 9
Sum of Digits 47
Digital Root 2
Name
six hundred thirty-eight million nine hundred sixty-three thousand three hundred ninety
Scientific notation
6.38963390 × 10^8
Engineering notation
6.38963390 × 10^6
Prime Factorization
2 × 65 × 173 × 28411
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
638963390
Product of the distinct prime numbers
The prime factorization of 638963390 is 2 × 65 × 173 × 28411.
Since it has a total of 4 prime factors.
3 , 10 , 97 , 82 , 836 , 925 , 3139 , 4723 , 27976 , 57855 , 397489 , 308659 , 4819455 , 8907448 , 98010398 , 72638893 , 239437308 , 315196804 , 2766569661 , 9144889258
n×2
1277926780
n×3
1916890170
n×4
2555853560
n×5
3194816950
n÷2
319481695
n÷3
212987796.66667
n÷3
159740847.5
n÷5
127792678
n2
408274213760292100
n3
2.6087227567386E+26
n4
1.6668783362158E+35
n5
1.065074232426E+44
2 √n
25277.725174548
3 √n
861.30835197196
4 √n
158.98970147324
5 √n
57.689290148668
1 , 2 , 65 , 130 , 173 , 346 , 11245 , 22490 , 28411 , 56822 , 1846715 , 3693430 , 4915103 , 9830206 , 319481695 , 638963390
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
-638963389
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 638963390 can be divided by 16 positive divisors.
The sum of these divisors (counting 638963390) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110000101011100111010111110
3
Ternary
1122112022200222202
4
Quaternary
212011130322332
5
Quinary
2302033312030
6
Senary
143223111502
8
Octal
4605347276
10
Decimal
638963390
12
Duodecimal
159ba2592
16
Hexadecimal
2615cebe
20
Vigesimal
9jda89a
36
Base36
akf7b2
md5
a2881cd10ad89dcc13f4b04c4d442944
sha1
0c5dca6949b8be40361a4e655294f880880001f0
sha256
dec547c8706facf63f531cee2c912479d9993c9c747ea3c8a12e97051779cd13
sha512
5a17e2204d5c7653306716f53de472d45f62879d76b81f83568e81ea9de3be98833b1380641859f54376425746efdc00fcd68f8027e145f60508ab69c3b20362
ripemd-160
2d203cc55e3d87e4cd8d33b1a06cdb65e8e2c86d
Diameter
1277926780
Circumference
4014725383.8737
Area
1.2826312705995E+18
Volume
1.092739233043E+27
Surface area
5.1305250823979E+18
Circumference
4014725383.8737
Perimeter
2555853560
Area
408274213760292100
Diagonal
903630691.99789
Surface area
2449645282561752600
Volume
2.6087227567386E+26
Space diagonal
1106717055.6564
Perimeter
1916890170
Area
1.7678792041327E+17
Altitude
553358527.82822
Surface area
1.7678792041327E+17
Volume
3.0744092525426E+25
Height
301210230.66596