20105143 is an odd 8-digits composite number following 20105142
and preceding 20105144 . In scientific notation, it is written as 2.0105143 × 10^7.
The sum of its digits is 16. It has a total of 3 prime factors and 8 positive divisors.
There are 19041240 positive integers (up to 20105143) that are relatively prime to 20105143.
20105143 has 8 divisors, whose sum is 21196800
The reverse of 20105143 is 34150102
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 16
Digital Root 7
Name
twenty million one hundred five thousand one hundred forty-three
Scientific notation
2.0105143 × 10^7
Engineering notation
2.0105143 × 10^6
Prime Factorization
47 × 31 × 13799
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20105143
Product of the distinct prime numbers
The prime factorization of 20105143 is 47 × 31 × 13799.
Since it has a total of 3 prime factors.
1 , 3 , 8 , 92 , 667 , 874 , 140 , 2070 , 46213 , 79822 , 662325 , 61684 , 647524 , 6329533 , 17714016 , 93075066 , 509812557 , 64901018 , 8213614108 , 3788594656
n×2
40210286
n×3
60315429
n×4
80420572
n×5
100525715
n÷2
10052571.5
n÷3
6701714.3333333
n÷3
5026285.75
n÷5
4021028.6
n2
404216775050449
n3
8.1268360653881E+21
n4
1.6339120123219E+29
n5
3.2850034657149E+36
2 √n
4483.8758903431
3 √n
271.9166005484
4 √n
66.961749457008
5 √n
28.8842724814
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
-20105142
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 20105143 can be divided by 8 positive divisors.
The sum of these divisors (counting 20105143) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100101100011110110111
3
Ternary
1101211110001221
4
Quaternary
1030230132313
5
Quinary
20121331033
6
Senary
1554531211
8
Octal
114543667
10
Decimal
20105143
12
Duodecimal
6896b07
16
Hexadecimal
132c7b7
20
Vigesimal
65d2h3
36
Base36
byx87
md5
93fa6445aab9bcd9c43a64590bb1e601
sha1
16eaf1db318e6c9e8d7fa01db2ce0ff94e3c6dd1
sha256
2834dc58c76fbafe15cf3f7eb5af745c7fd1e30c1198a533cd7cd0555683d074
sha512
7d690ccd7f52ddabf54f800a1082be119b5cdf914bcd9b1359a79bfea8ed4331a8698a92b61d04e256b702c2da6cafd6ec44bbf0113952989b06a468dc01231b
ripemd-160
7ef281b66aaf5c94517e5e84a7c51af2439e7bd3
Diameter
40210286
Circumference
126324339.09634
Area
1.2698844509562E+15
Volume
3.4041611306602E+22
Surface area
5.079537803825E+15
Circumference
126324339.09634
Perimeter
80420572
Area
404216775050449
Diagonal
28432965.90405
Surface area
2425300650302694
Volume
8.1268360653881E+21
Space diagonal
34823129.169438
Perimeter
60315429
Area
1.7503099791475E+14
Altitude
17411564.584719
Surface area
1.7503099791475E+14
Volume
9.5775681523789E+20
Height
9477655.3013502