20239945 is an odd 8-digits composite number following 20239944
and preceding 20239946 . In scientific notation, it is written as 2.0239945 × 10^7.
The sum of its digits is 34. It has a total of 4 prime factors and 16 positive divisors.
There are 13853440 positive integers (up to 20239945) that are relatively prime to 20239945.
20239945 has 16 divisors, whose sum is 28055808
The reverse of 20239945 is 54993202
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty million two hundred thirty-nine thousand nine hundred forty-five
Scientific notation
2.0239945 × 10^7
Engineering notation
2.0239945 × 10^6
Prime Factorization
11 × 5 × 17 × 21647
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20239945
Product of the distinct prime numbers
The prime factorization of 20239945 is 11 × 5 × 17 × 21647.
Since it has a total of 4 prime factors.
5 , 10 , 12 , 74 , 244 , 396 , 3286 , 6479 , 8888 , 51024 , 549062 , 986956 , 7532115 , 3176637 , 78103421 , 367015 , 411297970 , 94284960 , 5688356009 , 3566549818
n×2
40479890
n×3
60719835
n×4
80959780
n×5
101199725
n÷2
10119972.5
n÷3
6746648.3333333
n÷3
5059986.25
n÷5
4047989
n2
409655373603025
n3
8.2914022306797E+21
n4
1.6781752512183E+29
n5
3.396617478502E+36
2 √n
4498.8826390561
3 √n
272.52296751116
4 √n
67.073710491191
5 √n
28.92290196992
1 , 5 , 11 , 17 , 55 , 85 , 187 , 935 , 21647 , 108235 , 238117 , 367999 , 1190585 , 1839995 , 4047989 , 20239945
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20239944
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20239945 can be divided by 16 positive divisors.
The sum of these divisors (counting 20239945) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101001101011001001001
3
Ternary
1102002021222121
4
Quaternary
1031031121021
5
Quinary
20140134240
6
Senary
2001451241
8
Octal
115153111
10
Decimal
20239945
12
Duodecimal
6940b21
16
Hexadecimal
134d649
20
Vigesimal
669jh5
36
Base36
c1t8p
md5
fa3ee0cad64f1fa69bbc9b8ec35abee1
sha1
ce593c8a677bede79f7cbb94c39df7c5697dea0e
sha256
5ef5a45a9544d5e6184d19324e9e708210cb3d854ef33d72b6effb4627b22473
sha512
fef84aca3ce80bebdd21595dea33e4597a25d9dccc0bfca1c1d95c88c935ba18867902d2b4d573b9850cbefb0d50e9db35aeac6e51303057f5e2a3aca28ad370
ripemd-160
f24e3e333bea30d41c5d1181f199657a185946b7
Diameter
40479890
Circumference
127171325.04212
Area
1.2869703122148E+15
Volume
3.4730944447815E+22
Surface area
5.1478812488594E+15
Circumference
127171325.04212
Perimeter
80959780
Area
409655373603025
Diagonal
28623604.720686
Surface area
2457932241618150
Volume
8.2914022306797E+21
Space diagonal
35056613.0824
Perimeter
60719835
Area
1.7738598016851E+14
Altitude
17528306.5412
Surface area
1.7738598016851E+14
Volume
9.7715112380981E+20
Height
9541201.5735618