20168988 is an even 8-digits composite number following 20168987
and preceding 20168989 . In scientific notation, it is written as 2.0168988 × 10^7.
The sum of its digits is 42. It has a total of 5 prime factors and 24 positive divisors.
There are 5762400 positive integers (up to 20168988) that are relatively prime to 20168988.
20168988 has 24 divisors, whose sum is 48022800
The reverse of 20168988 is 88986102
Previous prime number is 49
Is Prime? no
Number parity even
Number length 8
Sum of Digits 42
Digital Root 6
Name
twenty million one hundred sixty-eight thousand nine hundred eighty-eight
Scientific notation
2.0168988 × 10^7
Engineering notation
2.0168988 × 10^6
Prime Factorization
2 × 2 × 3 × 49 × 34301
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10084494
Product of the distinct prime numbers
The prime factorization of 20168988 is 2 × 2 × 3 × 49 × 34301.
Since it has a total of 5 prime factors.
8 , 1 , 86 , 6 , 758 , 359 , 9889 , 158 , 69587 , 82725 , 402219 , 576035 , 4403647 , 1093106 , 75396428 , 77641247 , 735231666 , 282321663 , 3263849257 , 9049577174
n×2
40337976
n×3
60506964
n×4
80675952
n×5
100844940
n÷2
10084494
n÷3
6722996
n÷3
5042247
n÷5
4033797.6
n2
406788076944144
n3
8.2045038424295E+21
n4
1.6547653954391E+29
n5
3.3374943403427E+36
2 √n
4490.9896459466
3 √n
272.20412517639
4 √n
67.014846459174
5 √n
28.90259394663
1 , 2 , 3 , 4 , 6 , 12 , 49 , 98 , 147 , 196 , 294 , 588 , 34301 , 68602 , 102903 , 137204 , 205806 , 411612 , 1680749 , 3361498 , 5042247 , 6722996 , 10084494 , 20168988
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
-20168987
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 20168988 can be divided by 24 positive divisors.
The sum of these divisors (counting 20168988) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001100111100000100011100
3
Ternary
1101221200122120
4
Quaternary
1030330010130
5
Quinary
20130401423
6
Senary
2000142540
8
Octal
114740434
10
Decimal
20168988
12
Duodecimal
6907a50
16
Hexadecimal
133c11c
20
Vigesimal
661298
36
Base36
c0aho
md5
b89408956765204149b20b3745f3b8bd
sha1
bd891cb2795078478cca6db69827c11cf7097d3c
sha256
f928f2e3d5c7773574626f3a17815db1fcf5fa59ae18b1dc07d23172dc3928ea
sha512
83cb399da2d9202e3b2581c238169017f47792e8de6894b52e1e107591c45d18c41f3cd9ac9395f8759501a439d5e5578911e17c6b41733fc3201fb11e390732
ripemd-160
e692e6070962c289accc201af13f76b0f124c34b
Diameter
40337976
Circumference
126725489.06228
Area
1.2779624340956E+15
Volume
3.4366945330301E+22
Surface area
5.1118497363826E+15
Circumference
126725489.06228
Perimeter
80675952
Area
406788076944144
Diagonal
28523256.36894
Surface area
2440728461664864
Volume
8.2045038424295E+21
Space diagonal
34933711.953247
Perimeter
60506964
Area
1.7614440429512E+14
Altitude
17466855.976623
Surface area
1.7614440429512E+14
Volume
9.6691005054217E+20
Height
9507752.1229801