20256988 is an even 8-digits composite number following 20256987
and preceding 20256989 . In scientific notation, it is written as 2.0256988 × 10^7.
The sum of its digits is 40. It has a total of 4 prime factors and 12 positive divisors.
There are 10066032 positive integers (up to 20256988) that are relatively prime to 20256988.
20256988 has 12 divisors, whose sum is 35668360
The reverse of 20256988 is 88965202
Previous prime number is 163
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty million two hundred fifty-six thousand nine hundred eighty-eight
Scientific notation
2.0256988 × 10^7
Engineering notation
2.0256988 × 10^6
Prime Factorization
2 × 2 × 163 × 31069
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10128494
Product of the distinct prime numbers
The prime factorization of 20256988 is 2 × 2 × 163 × 31069.
Since it has a total of 4 prime factors.
10 , 3 , 68 , 23 , 811 , 284 , 4497 , 798 , 39134 , 50996 , 456553 , 115569 , 5719215 , 5215903 , 31979494 , 92898951 , 522211662 , 245380208 , 8791847914 , 4380432133
n×2
40513976
n×3
60770964
n×4
81027952
n×5
101284940
n÷2
10128494
n÷3
6752329.3333333
n÷3
5064247
n÷5
4051397.6
n2
410345562832144
n3
8.312365142144E+21
n4
1.6838348093603E+29
n5
3.4109421527194E+36
2 √n
4500.7763774709
3 √n
272.59943850097
4 √n
67.087825851423
5 √n
28.927771223002
1 , 2 , 4 , 163 , 326 , 652 , 31069 , 62138 , 124276 , 5064247 , 10128494 , 20256988
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20256987
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20256988 can be divided by 12 positive divisors.
The sum of these divisors (counting 20256988) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001101010001100011011100
3
Ternary
1102010011100211
4
Quaternary
1031101203130
5
Quinary
20141210423
6
Senary
2002102204
8
Octal
115214334
10
Decimal
20256988
12
Duodecimal
694a964
16
Hexadecimal
13518dc
20
Vigesimal
66c298
36
Base36
c26e4
md5
aef82f198457ae2e27964bf71a7bf5d1
sha1
43ec80cf4a8a83a8b004357c9bba02dddc97c997
sha256
465336663c67846566d6d9886de1654817105775b991acaf5bfcce30c469bc86
sha512
08a98a27dd8402c4cef3a7f8bc1b54908c6b83ed199f804c7eb8d83a99e2a96dffef70419cd1d1740a3bfadeece3bfb28698ebe4ab5865ff67b7f9bd4e468d3b
ripemd-160
c70a9b951f6d370a4a974727332c74e3ef2ccb40
Diameter
40513976
Circumference
127278409.36931
Area
1.2891386056266E+15
Volume
3.4818753686021E+22
Surface area
5.1565544225065E+15
Circumference
127278409.36931
Perimeter
81027952
Area
410345562832144
Diagonal
28647707.162429
Surface area
2462073376992864
Volume
8.312365142144E+21
Space diagonal
35086132.424313
Perimeter
60770964
Area
1.7768484087143E+14
Altitude
17543066.212157
Surface area
1.7768484087143E+14
Volume
9.7962162661812E+20
Height
9549235.7208097