20698945 is an odd 8-digits composite number following 20698944
and preceding 20698946 . In scientific notation, it is written as 2.0698945 × 10^7.
The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors.
There are 15585024 positive integers (up to 20698945) that are relatively prime to 20698945.
20698945 has 8 divisors, whose sum is 26299944
The reverse of 20698945 is 54989602
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7
Name
twenty million six hundred ninety-eight thousand nine hundred forty-five
Scientific notation
2.0698945 × 10^7
Engineering notation
2.0698945 × 10^6
Prime Factorization
5 × 17 × 243517
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20698945
Product of the distinct prime numbers
The prime factorization of 20698945 is 5 × 17 × 243517.
Since it has a total of 3 prime factors.
1 , 7 , 41 , 87 , 294 , 867 , 1585 , 6133 , 5947 , 46011 , 943159 , 19180 , 3860491 , 7078986 , 58606822 , 20294217 , 455273108 , 907175384 , 3747589270 , 9174163559
n×2
41397890
n×3
62096835
n×4
82795780
n×5
103494725
n÷2
10349472.5
n÷3
6899648.3333333
n÷3
5174736.25
n÷5
4139789
n2
428446324113025
n3
8.8683868982677E+21
n4
1.8356625264596E+29
n5
3.7996277673749E+36
2 √n
4549.6093238871
3 √n
274.56767331374
4 √n
67.450791869978
5 √n
29.052910225235
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20698944
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20698945 can be divided by 8 positive divisors.
The sum of these divisors (counting 20698945) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001110111101011101000001
3
Ternary
1102221121121121
4
Quaternary
1032331131001
5
Quinary
20244331240
6
Senary
2015352241
8
Octal
116753501
10
Decimal
20698945
12
Duodecimal
6b22681
16
Hexadecimal
13bd741
20
Vigesimal
697775
36
Base36
cbnep
md5
d5bfa49baede436be4b93eff2982a6c4
sha1
9ba63460649767d622f05705bbfcdbc87492cfa3
sha256
15df74647a193e45c0618722159b4e6e487d4de5e8b6ab0cc5014bf79b7e3f7a
sha512
642287868b00b760f50ea150eacfae7a40b942037090d0890cf323e08a52bc6538fc9ed8c1d7744fbccce06c1ef2c06dee96266bcc6bd6663bc66aa63412be20
ripemd-160
ec34393a74ad5d5a9d75b25882a06c520869778b
Diameter
41397890
Circumference
130055307.09812
Area
1.346003824291E+15
Volume
3.714781217172E+22
Surface area
5.3840152971641E+15
Circumference
130055307.09812
Perimeter
82795780
Area
428446324113025
Diagonal
29272728.745815
Surface area
2570677944678150
Volume
8.8683868982677E+21
Space diagonal
35851624.403074
Perimeter
62096835
Area
1.8552270041997E+14
Altitude
17925812.201537
Surface area
1.8552270041997E+14
Volume
1.0451494189918E+21
Height
9757576.2486049