20249145 is an odd 8-digits composite number following 20249144
and preceding 20249146 . In scientific notation, it is written as 2.0249145 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors.
There are 9256608 positive integers (up to 20249145) that are relatively prime to 20249145.
20249145 has 16 divisors, whose sum is 32913408
The reverse of 20249145 is 54194202
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million two hundred forty-nine thousand one hundred forty-five
Scientific notation
2.0249145 × 10^7
Engineering notation
2.0249145 × 10^6
Prime Factorization
3 × 15 × 7 × 64283
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20249145
Product of the distinct prime numbers
The prime factorization of 20249145 is 3 × 15 × 7 × 64283.
Since it has a total of 4 prime factors.
9 , 5 , 4 , 33 , 248 , 617 , 2926 , 6015 , 36921 , 36826 , 952047 , 922210 , 1998825 , 1707883 , 67282648 , 9571444 , 362145609 , 448423134 , 9132861705 , 2043724172
n×2
40498290
n×3
60747435
n×4
80996580
n×5
101245725
n÷2
10124572.5
n÷3
6749715
n÷3
5062286.25
n÷5
4049829
n2
410027873231025
n3
8.3027138590966E+21
n4
1.6812285682636E+29
n5
3.4043441056912E+36
2 √n
4499.9049989972
3 √n
272.56425272736
4 √n
67.081331225589
5 √n
28.925530853852
1 , 3 , 7 , 15 , 21 , 45 , 105 , 315 , 64283 , 192849 , 449981 , 964245 , 1349943 , 2892735 , 6749715 , 20249145
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
-20249144
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 20249145 can be divided by 16 positive divisors.
The sum of these divisors (counting 20249145) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101001111101000111001
3
Ternary
1102002202121100
4
Quaternary
1031033220321
5
Quinary
20140433040
6
Senary
2002002013
8
Octal
115175071
10
Decimal
20249145
12
Duodecimal
6946309
16
Hexadecimal
134fa39
20
Vigesimal
66b2h5
36
Base36
c20c9
md5
9e3761689b9815e5767e82a025f44e6f
sha1
3e851d63355e7a5e3ebe72e8a161334bfc51a681
sha256
6dddf3ef82a72fbed5c99d4cc4e90d6af7be661a14eac1df560675810b50e523
sha512
6c430c9f53668586f5f66b28b51b7718e963eae6ad25d71f03b561f9eeedcff96648cf2fb27f60883cffc9cf15dbef62fca2ded575e4b02afa6ba2e18e3eaede
ripemd-160
64c1b02d1d1b2adec34d43be0c18639117f33843
Diameter
40498290
Circumference
127229130.34695
Area
1.2881405543096E+15
Volume
3.4778326486128E+22
Surface area
5.1525622172385E+15
Circumference
127229130.34695
Perimeter
80996580
Area
410027873231025
Diagonal
28636615.485459
Surface area
2460167239386150
Volume
8.3027138590966E+21
Space diagonal
35072547.949829
Perimeter
60747435
Area
1.7754727723889E+14
Altitude
17536273.974915
Surface area
1.7754727723889E+14
Volume
9.7848421200313E+20
Height
9545538.4951531