20145823 is an odd 8-digits composite number following 20145822
and preceding 20145824 . In scientific notation, it is written as 2.0145823 × 10^7.
The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors.
There are 20136688 positive integers (up to 20145823) that are relatively prime to 20145823.
20145823 has 4 divisors, whose sum is 20154960
The reverse of 20145823 is 32854102
Previous prime number is 5417
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million one hundred forty-five thousand eight hundred twenty-three
Scientific notation
2.0145823 × 10^7
Engineering notation
2.0145823 × 10^6
Prime Factorization
5417 × 3719
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20145823
Product of the distinct prime numbers
The prime factorization of 20145823 is 5417 × 3719.
Since it has a total of 2 prime factors.
6 , 2 , 25 , 67 , 163 , 980 , 4955 , 1821 , 22391 , 21504 , 280347 , 40345 , 3936237 , 4529560 , 63996880 , 43338336 , 825177635 , 199656448 , 4041802681 , 6445228254
n×2
40291646
n×3
60437469
n×4
80583292
n×5
100729115
n÷2
10072911.5
n÷3
6715274.3333333
n÷3
5036455.75
n÷5
4029164.6
n2
405854184347329
n3
8.1762665616707E+21
n4
1.6471761895224E+29
n5
3.3183719963932E+36
2 √n
4488.4098520523
3 √n
272.09987231396
4 √n
66.995595766082
5 √n
28.895951705636
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
-20145822
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 20145823 can be divided by 4 positive divisors.
The sum of these divisors (counting 20145823) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110110011010011111
3
Ternary
1101220111212121
4
Quaternary
1030312122133
5
Quinary
20124131243
6
Senary
1555443411
8
Octal
114663237
10
Decimal
20145823
12
Duodecimal
68b6567
16
Hexadecimal
133669f
20
Vigesimal
65i4b3
36
Base36
bzsm7
md5
f3a56a6a50d13cc33e72356cf27e646f
sha1
e3db2448a0984109c4cad7dccdbe2ace9cc6ddeb
sha256
1865ca2575fe6c096586991a61632776cdcfbbfe612deb6b90bbe7a37c2ae40b
sha512
b867b5b6a8193f1e82cd263c0c22f71b669060fa9292b3913d936cd5831ceb1a034bf098af714d0d6cacb384d9578a3cf80a5218a22a0470056088ed6c672f9a
ripemd-160
e5c6c2a626cd201d29977c0e7ad07e4afe1ee7c4
Diameter
40291646
Circumference
126579939.07464
Area
1.2750285239742E+15
Volume
3.4248665285249E+22
Surface area
5.100114095897E+15
Circumference
126579939.07464
Perimeter
80583292
Area
405854184347329
Diagonal
28490496.111768
Surface area
2435125106083974
Volume
8.1762665616707E+21
Space diagonal
34893588.99629
Perimeter
60437469
Area
1.757400169385E+14
Altitude
17446794.498145
Surface area
1.757400169385E+14
Volume
9.6358225509102E+20
Height
9496832.0372559