20168940 is an even 8-digits composite number following 20168939
and preceding 20168941 . In scientific notation, it is written as 2.0168940 × 10^7.
The sum of its digits is 30. It has a total of 5 prime factors and 24 positive divisors.
There are 4889280 positive integers (up to 20168940) that are relatively prime to 20168940.
20168940 has 24 divisors, whose sum is 41072640
The reverse of 20168940 is 04986102
Previous prime number is 11
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million one hundred sixty-eight thousand nine hundred forty
Scientific notation
2.0168940 × 10^7
Engineering notation
2.0168940 × 10^6
Prime Factorization
2 × 2 × 15 × 11 × 30559
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10084470
Product of the distinct prime numbers
The prime factorization of 20168940 is 2 × 2 × 15 × 11 × 30559.
Since it has a total of 5 prime factors.
8 , 6 , 17 , 4 , 163 , 723 , 2992 , 8920 , 12995 , 42530 , 359749 , 52967 , 1240779 , 6130503 , 66762360 , 30149070 , 538275345 , 896005439 , 4451199403 , 5989465720
n×2
40337880
n×3
60506820
n×4
80675760
n×5
100844700
n÷2
10084470
n÷3
6722980
n÷3
5042235
n÷5
4033788
n2
406786140723600
n3
8.2044452650858E+21
n4
1.654749642848E+29
n5
3.3374546261623E+36
2 √n
4490.9843019098
3 √n
272.20390923748
4 √n
67.014806587125
5 √n
28.90258018961
1 , 2 , 4 , 11 , 15 , 22 , 30 , 44 , 60 , 165 , 330 , 660 , 30559 , 61118 , 122236 , 336149 , 458385 , 672298 , 916770 , 1344596 , 1833540 , 5042235 , 10084470 , 20168940
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20168939
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20168940 can be divided by 24 positive divisors.
The sum of these divisors (counting 20168940) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001100111100000011101100
3
Ternary
1101221200120210
4
Quaternary
1030330003230
5
Quinary
20130401230
6
Senary
2000142420
8
Octal
114740354
10
Decimal
20168940
12
Duodecimal
6907a10
16
Hexadecimal
133c0ec
20
Vigesimal
661270
36
Base36
c0agc
md5
05e8f49319942a4a69d22534c451290b
sha1
3b70a23fe4fd9b717dcf63d7b1dabd26d51a53bf
sha256
8605fed78aedea4686cf228ab8ee145a0ca7f09d70299469e3dc4929c3054f7c
sha512
3954b94a4fbc13dcd1d4d09b7acd7de6ce6d8d2a751febade054ba71e480fd171fef25966764b7b00233df65af8bafb8e7ff3800c1e01baa62e24ccb23427da1
ripemd-160
cfcff443dd11dd2d9b59b384634ca23ce375495c
Diameter
40337880
Circumference
126725187.46939
Area
1.2779563512794E+15
Volume
3.4366699962098E+22
Surface area
5.1118254051176E+15
Circumference
126725187.46939
Perimeter
80675760
Area
406786140723600
Diagonal
28523188.486689
Surface area
2440716844341600
Volume
8.2044452650858E+21
Space diagonal
34933628.814808
Perimeter
60506820
Area
1.7614356588703E+14
Altitude
17466814.407404
Surface area
1.7614356588703E+14
Volume
9.6690314713601E+20
Height
9507729.4955631