20698509 is an odd 8-digits composite number following 20698508
and preceding 20698510 . In scientific notation, it is written as 2.0698509 × 10^7.
The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors.
There are 12737520 positive integers (up to 20698509) that are relatively prime to 20698509.
20698509 has 8 divisors, whose sum is 29720992
The reverse of 20698509 is 90589602
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty million six hundred ninety-eight thousand five hundred nine
Scientific notation
2.0698509 × 10^7
Engineering notation
2.0698509 × 10^6
Prime Factorization
3 × 13 × 530731
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20698509
Product of the distinct prime numbers
The prime factorization of 20698509 is 3 × 13 × 530731.
Since it has a total of 3 prime factors.
5 , 7 , 69 , 32 , 541 , 788 , 212 , 5984 , 34566 , 18181 , 957445 , 545651 , 7490545 , 7537386 , 1128543 , 97505639 , 92988618 , 283133625 , 8054406534 , 952250324
n×2
41397018
n×3
62095527
n×4
82794036
n×5
103492545
n÷2
10349254.5
n÷3
6899503
n÷3
5174627.25
n÷5
4139701.8
n2
428428274823081
n3
8.86782650228E+21
n4
1.8355078666788E+29
n5
3.7992276098022E+36
2 √n
4549.5614074326
3 √n
274.56574548044
4 √n
67.450436673402
5 √n
29.052787830827
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
-20698508
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 20698509 can be divided by 8 positive divisors.
The sum of these divisors (counting 20698509) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001110111101010110001101
3
Ternary
1102221121000110
4
Quaternary
1032331112031
5
Quinary
20244323014
6
Senary
2015350233
8
Octal
116752615
10
Decimal
20698509
12
Duodecimal
6b22379
16
Hexadecimal
13bd58d
20
Vigesimal
697659
36
Base36
cbn2l
md5
951d1670be699090d5c91720fd61591d
sha1
efa727db204cee73be875dae0dda295a14ee708b
sha256
e9bc20d12f319173f8897a534d1741392edea97bb711f29301250b1c3ae6a402
sha512
1f524b2cde2871d424d9c9f93103d65335f598f62f2a44c102eedb283a1fb155822ba7dbb086f1bc697da4709ff01c810fb7bbc47b1e14e8299f57cae5ed7dd5
ripemd-160
f76dd17eb44f7f7bf70710fd8d1b127b245fdc3b
Diameter
41397018
Circumference
130052567.62932
Area
1.3459471207743E+15
Volume
3.7145464790496E+22
Surface area
5.3837884830974E+15
Circumference
130052567.62932
Perimeter
82794036
Area
428428274823081
Diagonal
29272112.148702
Surface area
2570569648938486
Volume
8.86782650228E+21
Space diagonal
35850869.228922
Perimeter
62095527
Area
1.8551488484816E+14
Altitude
17925434.614461
Surface area
1.8551488484816E+14
Volume
1.0450833756913E+21
Height
9757370.7162339