20656490 is an even 8-digits composite number following 20656489
and preceding 20656491 . In scientific notation, it is written as 2.0656490 × 10^7.
The sum of its digits is 32. It has a total of 5 prime factors and 32 positive divisors.
There are 8034624 positive integers (up to 20656490) that are relatively prime to 20656490.
20656490 has 32 divisors, whose sum is 38223360
The reverse of 20656490 is 09465602
Previous prime number is 59
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty million six hundred fifty-six thousand four hundred ninety
Scientific notation
2.0656490 × 10^7
Engineering notation
2.0656490 × 10^6
Prime Factorization
2 × 5 × 157 × 59 × 223
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20656490
Product of the distinct prime numbers
The prime factorization of 20656490 is 2 × 5 × 157 × 59 × 223.
Since it has a total of 5 prime factors.
2 , 9 , 26 , 75 , 268 , 686 , 1277 , 2005 , 47243 , 49215 , 922770 , 424199 , 9812515 , 4720915 , 29795744 , 77241484 , 694028979 , 742606443 , 5419873930 , 5297327988
n×2
41312980
n×3
61969470
n×4
82625960
n×5
103282450
n÷2
10328245
n÷3
6885496.6666667
n÷3
5164122.5
n÷5
4131298
n2
426690579120100
n3
8.8139296806886E+21
n4
1.8206485030985E+29
n5
3.7608207597768E+36
2 √n
4544.9411437333
3 √n
274.37982558713
4 √n
67.416178649738
5 √n
29.040982520698
1 , 2 , 5 , 10 , 59 , 118 , 157 , 223 , 295 , 314 , 446 , 590 , 785 , 1115 , 1570 , 2230 , 9263 , 13157 , 18526 , 26314 , 35011 , 46315 , 65785 , 70022 , 92630 , 131570 , 175055 , 350110 , 2065649 , 4131298 , 10328245 , 20656490
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20656489
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20656490 can be divided by 32 positive divisors.
The sum of these divisors (counting 20656490) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001110110011000101101010
3
Ternary
1102212110101012
4
Quaternary
1032303011222
5
Quinary
20242001430
6
Senary
2014423522
8
Octal
116630552
10
Decimal
20656490
12
Duodecimal
6b01ba2
16
Hexadecimal
13b316a
20
Vigesimal
69214a
36
Base36
caqne
md5
9e4e697e1b971224368dac99b6fc8f93
sha1
a2e5fc9dca70145ea3d9fcd03906d8727796c376
sha256
02ffda868f5407b23c56e12a7425eb29da4d7ad13dfae8d86f3251880eb55ddd
sha512
6fdc7118315068319143667bbb1bc5784cbd6d0da2d738908c3daf1af51c90e9664d184af1562981400c60ad870bed385dfac874479cf6163fbfc7116acf9ed5
ripemd-160
393c6ee925458c44ec1b7668457d44c07b79bbb5
Diameter
41312980
Circumference
129788554.4659
Area
1.3404879887197E+15
Volume
3.6919702312144E+22
Surface area
5.3619519548787E+15
Circumference
129788554.4659
Perimeter
82625960
Area
426690579120100
Diagonal
29212688.309024
Surface area
2560143474720600
Volume
8.8139296806886E+21
Space diagonal
35778090.186038
Perimeter
61969470
Area
1.8476244053675E+14
Altitude
17889045.093019
Surface area
1.8476244053675E+14
Volume
1.0387315743527E+21
Height
9737562.7696747