639968135 is an odd 9-digits composite number following 639968134
and preceding 639968136 . In scientific notation, it is written as 6.39968135 × 10^8.
The sum of its digits is 50. It has a total of 3 prime factors and 8 positive divisors.
There are 511555680 positive integers (up to 639968135) that are relatively prime to 639968135.
639968135 has 8 divisors, whose sum is 768590016
The reverse of 639968135 is 531869936
Previous prime number is 1237
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 50
Digital Root 5
Name
six hundred thirty-nine million nine hundred sixty-eight thousand one hundred thirty-five
Scientific notation
6.39968135 × 10^8
Engineering notation
6.39968135 × 10^6
Prime Factorization
5 × 1237 × 103471
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
639968135
Product of the distinct prime numbers
The prime factorization of 639968135 is 5 × 1237 × 103471.
Since it has a total of 3 prime factors.
9 , 4 , 66 , 42 , 103 , 352 , 8373 , 5568 , 16344 , 75602 , 361021 , 735449 , 7753102 , 6971411 , 1664269 , 15254343 , 59632173 , 375447941 , 3116776660 , 7581367815
n×2
1279936270
n×3
1919904405
n×4
2559872540
n×5
3199840675
n÷2
319984067.5
n÷3
213322711.66667
n÷3
159992033.75
n÷5
127993627
n2
409559213815378225
n3
2.6210484623749E+26
n4
1.6773874962107E+35
n5
1.0734745476223E+44
2 √n
25297.591486147
3 √n
861.75957347092
4 √n
159.05216592724
5 √n
57.707421579438
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-639968134
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 639968135 can be divided by 8 positive divisors.
The sum of these divisors (counting 639968135) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110001001010010001110000111
3
Ternary
1122121012202020112
4
Quaternary
212021102032013
5
Quinary
2302312440020
6
Senary
143300423235
8
Octal
4611221607
10
Decimal
639968135
12
Duodecimal
15a3a7b1b
16
Hexadecimal
26252387
20
Vigesimal
9jjg06f
36
Base36
al0qkn
md5
36625126f8ab20dd51800d51621b0716
sha1
e2e4c370cd6bbba801a0b663812683926da02ea4
sha256
b4a5d0a46d55f9fe811b9a933a84077a024d33c805e92ed780fc21a7c6eae261
sha512
444bd1fd83e257dd4cab9553a72a83857c005a00c0fe43681202a96c247b811761e4313d4cb18b663637e4dd1626942ce4c4ca4604457babcec3c4ef23b5e2e0
ripemd-160
690e38d605e792414adeef5404783646d88d4110
Diameter
1279936270
Circumference
4021038382.8951
Area
1.2866682173324E+18
Volume
1.0979022125467E+27
Surface area
5.1466728693296E+18
Circumference
4021038382.8951
Perimeter
2559872540
Area
409559213815378225
Diagonal
905051616.00362
Surface area
2457355282892269350
Volume
2.6210484623749E+26
Space diagonal
1108457325.0451
Perimeter
1919904405
Area
1.7734434175905E+17
Altitude
554228662.52255
Surface area
1.7734434175905E+17
Volume
3.0889352359398E+25
Height
301683872.00121