639492090 is an even 9-digits composite number following 639492089
and preceding 639492091 . In scientific notation, it is written as 6.39492090 × 10^8.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 165921984 positive integers (up to 639492090) that are relatively prime to 639492090.
639492090 has 16 divisors, whose sum is 1050842880
The reverse of 639492090 is 090294936
Previous prime number is 37
Is Prime? no
Number parity even
Number length 9
Sum of Digits 42
Digital Root 6
Name
six hundred thirty-nine million four hundred ninety-two thousand ninety
Scientific notation
6.39492090 × 10^8
Engineering notation
6.39492090 × 10^6
Prime Factorization
2 × 15 × 37 × 576119
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
639492090
Product of the distinct prime numbers
The prime factorization of 639492090 is 2 × 15 × 37 × 576119.
Since it has a total of 4 prime factors.
5 , 3 , 78 , 30 , 658 , 925 , 4486 , 8117 , 78 , 67243 , 806606 , 701945 , 4217205 , 2664955 , 83780594 , 97108099 , 166185082 , 412667816 , 1161143922 , 2426824563
n×2
1278984180
n×3
1918476270
n×4
2557968360
n×5
3197460450
n÷2
319746045
n÷3
213164030
n÷3
159873022.5
n÷5
127898418
n2
408950133172568100
n3
2.615203753683E+26
n4
1.6724021142186E+35
n5
1.0694879233421E+44
2 √n
25288.180836114
3 √n
861.54584507057
4 √n
159.02257964237
5 √n
57.698833805905
1 , 2 , 15 , 30 , 37 , 74 , 555 , 1110 , 576119 , 1152238 , 8641785 , 17283570 , 21316403 , 42632806 , 319746045 , 639492090
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
-639492089
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 639492090 can be divided by 16 positive divisors.
The sum of these divisors (counting 639492090) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110000111011101111111111010
3
Ternary
1122120022120020020
4
Quaternary
212013131333322
5
Quinary
2302202221330
6
Senary
143242311310
8
Octal
4607357772
10
Decimal
639492090
12
Duodecimal
15a1b8536
16
Hexadecimal
261ddffa
20
Vigesimal
9jgga4a
36
Base36
akqj96
md5
94c9e724954251ead7e64a949dd71c1f
sha1
1e84a2c837c7a17b6d0227a42acff9a15e87487f
sha256
5a5e74381a85f7ace41ac521adb7421484b1158eb8ad66bdf007e72b6fb7b965
sha512
bacdc59185b70b74ffbbfc0f9290b3f89726ca3b38441b159b68a6e530e08d3f4364755565827b7104ffbd91d585e22b1f8f9846233ecb083c82b3f731195e7e
ripemd-160
65590678b27521c341f8b02ffcf2f221be344684
Diameter
1278984180
Circumference
4018047303.9456
Area
1.2847547340595E+18
Volume
1.0954539866948E+27
Surface area
5.139018936238E+18
Circumference
4018047303.9456
Perimeter
2557968360
Area
408950133172568100
Diagonal
904378386.70832
Surface area
2453700799035408600
Volume
2.615203753683E+26
Space diagonal
1107632790.9184
Perimeter
1918476270
Area
1.7708060210424E+17
Altitude
553816395.4592
Surface area
1.7708060210424E+17
Volume
3.0820471806897E+25
Height
301459462.23611