20145143 is an odd 8-digits composite number following 20145142
and preceding 20145144 . In scientific notation, it is written as 2.0145143 × 10^7.
The sum of its digits is 20. It has a total of 2 prime factors and 4 positive divisors.
There are 20092968 positive integers (up to 20145143) that are relatively prime to 20145143.
20145143 has 4 divisors, whose sum is 20197320
The reverse of 20145143 is 34154102
Previous prime number is 389
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty million one hundred forty-five thousand one hundred forty-three
Scientific notation
2.0145143 × 10^7
Engineering notation
2.0145143 × 10^6
Prime Factorization
389 × 51787
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20145143
Product of the distinct prime numbers
The prime factorization of 20145143 is 389 × 51787.
Since it has a total of 2 prime factors.
3 , 2 , 37 , 29 , 332 , 189 , 6146 , 9466 , 73053 , 15667 , 238913 , 65754 , 1806732 , 3944198 , 57096127 , 19473702 , 694388447 , 529752825 , 4800654620 , 8782882864
n×2
40290286
n×3
60435429
n×4
80580572
n×5
100725715
n÷2
10072571.5
n÷3
6715047.6666667
n÷3
5036285.75
n÷5
4029028.6
n2
405826786490449
n3
8.1754386470806E+21
n4
1.6469538063316E+29
n5
3.3178119942945E+36
2 √n
4488.334100755
3 √n
272.09681080265
4 √n
66.995030418345
5 √n
28.895756632817
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
-20145142
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 20145143 can be divided by 4 positive divisors.
The sum of these divisors (counting 20145143) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110110001111110111
3
Ternary
1101220110221102
4
Quaternary
1030312033313
5
Quinary
20124121033
6
Senary
1555440315
8
Octal
114661767
10
Decimal
20145143
12
Duodecimal
68b609b
16
Hexadecimal
13363f7
20
Vigesimal
65i2h3
36
Base36
bzs3b
md5
c3d4e4c566663bbaa296ee41fe5ff152
sha1
5df4eb8afd8a708080c99d78f20e46a53ff6c6c1
sha256
a467a70f5c1a0e36b7be8ef03e9493200f04ac3ab7465e006ef942a682726f10
sha512
7a365ad9180cafc732af8c4ca5a3dc54bc1a5bd4a9b8c7c58eba5293e1eb45292425537bfa25e35569cca007a2290875263e947a5e708f50994330d8f38038d7
ripemd-160
5c2917372d22bcb31b7e27d75338a69d4f88326e
Diameter
40290286
Circumference
126575666.50863
Area
1.2749424510683E+15
Volume
3.4245197324723E+22
Surface area
5.0997698042734E+15
Circumference
126575666.50863
Perimeter
80580572
Area
405826786490449
Diagonal
28489534.446545
Surface area
2434960718942694
Volume
8.1754386470806E+21
Space diagonal
34892411.201741
Perimeter
60435429
Area
1.7572815331847E+14
Altitude
17446205.60087
Surface area
1.7572815331847E+14
Volume
9.6348468442087E+20
Height
9496511.4821818