64189871 is an odd 8-digits composite number following 64189870
and preceding 64189872 . In scientific notation, it is written as 6.4189871 × 10^7.
The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors.
There are 62119200 positive integers (up to 64189871) that are relatively prime to 64189871.
64189871 has 4 divisors, whose sum is 66260544
The reverse of 64189871 is 17898146
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8
Name
sixty-four million one hundred eighty-nine thousand eight hundred seventy-one
Scientific notation
6.4189871 × 10^7
Engineering notation
6.4189871 × 10^6
Prime Factorization
31 × 2070641
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
64189871
Product of the distinct prime numbers
The prime factorization of 64189871 is 31 × 2070641.
Since it has a total of 2 prime factors.
9 , 4 , 39 , 38 , 150 , 789 , 9962 , 1938 , 12167 , 8928 , 325129 , 128105 , 2264159 , 3186087 , 37235842 , 39491440 , 625613894 , 372118701 , 3964319032 , 2977298546
n×2
128379742
n×3
192569613
n×4
256759484
n×5
320949355
n÷2
32094935.5
n÷3
21396623.666667
n÷3
16047467.75
n÷5
12837974.2
n2
4120339538996641
n3
2.6448406348439E+23
n4
1.6977197916619E+31
n5
1.0897641442092E+39
2 √n
8011.8581490189
3 √n
400.39517404845
4 √n
89.508983621863
5 √n
36.432862989725
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
-64189870
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 64189871 can be divided by 4 positive divisors.
The sum of these divisors (counting 64189871) is 1, the average is 0.25.
Base
System
Value
2
Binary
11110100110111010110101111
3
Ternary
11110210011221122
4
Quaternary
3310313112233
5
Quinary
112413033441
6
Senary
10211451155
8
Octal
364672657
10
Decimal
64189871
12
Duodecimal
195b6abb
16
Hexadecimal
3d375af
20
Vigesimal
1013edb
36
Base36
127t7z
md5
5bedc4e794e722727c0033a3435fb13b
sha1
cf4fae97acda046f61b99d13353038f06bf3023b
sha256
afb66d1f29cc67ce560304823964d5c532b109c1c1a8c0cae54473afe3eb7c71
sha512
5cd559c858b31e4245cf2a9fc891cd899096f94217e2fdbe1df3d0600e45720af9842f474b66a094041c5358396552545551488c3dc0496d0bc0a35060c5e9b3
ripemd-160
6d1b4dc4fcd7d502e4df3e72bb2262b99a5a2689
Diameter
128379742
Circumference
403316854.33695
Area
1.2944428426007E+16
Volume
1.1078682544455E+24
Surface area
5.177771370403E+16
Circumference
403316854.33695
Perimeter
256759484
Area
4120339538996641
Diagonal
90778186.135179
Surface area
24722037233979846
Volume
2.6448406348439E+23
Space diagonal
111180117.90329
Perimeter
192569613
Area
1.7841593564943E+15
Altitude
55590058.951646
Surface area
1.7841593564943E+15
Volume
3.1169745800931E+22
Height
30259395.378393