639131489 is an odd 9-digits composite number following 639131488
and preceding 639131490 . In scientific notation, it is written as 6.39131489 × 10^8.
The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors.
There are 624267924 positive integers (up to 639131489) that are relatively prime to 639131489.
639131489 has 4 divisors, whose sum is 653995056
The reverse of 639131489 is 984131936
Previous prime number is 43
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 44
Digital Root 8
Name
six hundred thirty-nine million one hundred thirty-one thousand four hundred eighty-nine
Scientific notation
6.39131489 × 10^8
Engineering notation
6.39131489 × 10^6
Prime Factorization
43 × 14863523
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
639131489
Product of the distinct prime numbers
The prime factorization of 639131489 is 43 × 14863523.
Since it has a total of 2 prime factors.
4 , 9 , 90 , 61 , 927 , 910 , 8718 , 1371 , 37757 , 18660 , 661309 , 856030 , 1701627 , 8296218 , 34919301 , 25734857 , 14723359 , 832229831 , 3169962633 , 3521059341
n×2
1278262978
n×3
1917394467
n×4
2556525956
n×5
3195657445
n÷2
319565744.5
n÷3
213043829.66667
n÷3
159782872.25
n÷5
127826297.8
n2
408489060231357121
n3
2.6107822130588E+26
n4
1.668633123287E+35
n5
1.0664759726811E+44
2 √n
25281.049997973
3 √n
861.3838765795
4 √n
159.00015722625
5 √n
57.692325218221
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
-639131488
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 639131489 can be divided by 4 positive divisors.
The sum of these divisors (counting 639131489) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110000110000101111101100001
3
Ternary
1122112122020120122
4
Quaternary
212012011331201
5
Quinary
2302104201424
6
Senary
143230450025
8
Octal
4606057541
10
Decimal
639131489
12
Duodecimal
15a063915
16
Hexadecimal
26185f61
20
Vigesimal
9jeb8e9
36
Base36
akit0h
md5
85605fe93f559d144505926c39394ad8
sha1
2029634afe310995e5b9ebab11e99471e242652d
sha256
98d0b3f80d7408cd092ae1f8da43ea8722c0eeaf2e04e44c23f4812109250f18
sha512
eca4e5fb0780ddaa3e1c202beecc1c6ae5926d87bb353302e1c5cb8684e0f681b2aa929f6868687de62c934efe9e16a8120de30bc2c9239c9024a03141a78000
ripemd-160
754ba0ec817a5a95a459ed325ccde4b30ddf92a8
Diameter
1278262978
Circumference
4015781581.0406
Area
1.2833062306946E+18
Volume
1.0936018960891E+27
Surface area
5.1332249227785E+18
Circumference
4015781581.0406
Perimeter
2556525956
Area
408489060231357121
Diagonal
903868419.88351
Surface area
2450934361388142726
Volume
2.6107822130588E+26
Space diagonal
1107008211.6651
Perimeter
1917394467
Area
1.7688095166419E+17
Altitude
553504105.83257
Surface area
1.7688095166419E+17
Volume
3.0768363450918E+25
Height
301289473.2945