20145843 is an odd 8-digits composite number following 20145842
and preceding 20145844 . In scientific notation, it is written as 2.0145843 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 12 positive divisors.
There are 13106880 positive integers (up to 20145843) that are relatively prime to 20145843.
20145843 has 12 divisors, whose sum is 29296800
The reverse of 20145843 is 34854102
Previous prime number is 15023
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million one hundred forty-five thousand eight hundred forty-three
Scientific notation
2.0145843 × 10^7
Engineering notation
2.0145843 × 10^6
Prime Factorization
3 × 3 × 15023 × 149
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
6715281
Product of the distinct prime numbers
The prime factorization of 20145843 is 3 × 3 × 15023 × 149.
Since it has a total of 4 prime factors.
5 , 1 , 87 , 7 , 159 , 948 , 2622 , 176 , 89313 , 73242 , 912812 , 144872 , 9784665 , 4160353 , 47711543 , 86096556 , 536850153 , 916604292 , 3240923514 , 8511174607
n×2
40291686
n×3
60437529
n×4
80583372
n×5
100729215
n÷2
10072921.5
n÷3
6715281
n÷3
5036460.75
n÷5
4029168.6
n2
405854990180649
n3
8.1762909129459E+21
n4
1.6471827305453E+29
n5
3.3183884681878E+36
2 √n
4488.4120800123
3 √n
272.09996235737
4 √n
66.99561239374
5 √n
28.895957442992
1 , 3 , 9 , 149 , 447 , 1341 , 15023 , 45069 , 135207 , 2238427 , 6715281 , 20145843
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20145842
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20145843 can be divided by 12 positive divisors.
The sum of these divisors (counting 20145843) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001100110110011010110011
3
Ternary
1101220111220100
4
Quaternary
1030312122303
5
Quinary
20124131333
6
Senary
1555443443
8
Octal
114663263
10
Decimal
20145843
12
Duodecimal
68b6583
16
Hexadecimal
13366b3
20
Vigesimal
65i4c3
36
Base36
bzsmr
md5
5b15cee69dcc49851fa0f90276cb014e
sha1
4aa8b972430bacd17848637bc0ec9cbd311dbbd1
sha256
1bd8f9c0b3351647600be9c4248463bdddd7a110881d9680304cf81d45a9f48f
sha512
452d27c7b0358b5c81ad833663b96290e16bccd6afe36876380105a8c19f6a41ace1195fa1c10721691a58790c22121ac942f301f1d62b26eb4d5cc9da0edb3c
ripemd-160
591aa65c03d64d0b792f3d84337befc26cb3be65
Diameter
40291686
Circumference
126580064.73835
Area
1.2750310555743E+15
Volume
3.4248767287632E+22
Surface area
5.1001242222971E+15
Circumference
126580064.73835
Perimeter
80583372
Area
405854990180649
Diagonal
28490524.396039
Surface area
2435129941083894
Volume
8.1762909129459E+21
Space diagonal
34893623.637306
Perimeter
60437529
Area
1.7574036587456E+14
Altitude
17446811.818653
Surface area
1.7574036587456E+14
Volume
9.6358512491633E+20
Height
9496841.4653464