20803561 is an odd 8-digits prime number following 20803560
and preceding 20803562 . In scientific notation, it is written as 2.0803561 × 10^7.
The sum of its digits is 25. It has a total of 1 prime factors and 2 positive divisors.
There are 20803560 positive integers (up to 20803561) that are relatively prime to 20803561.
20803561 has 2 divisors, whose sum is 20803562
The reverse of 20803561 is 16530802
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million eight hundred three thousand five hundred sixty-one
Scientific notation
2.0803561 × 10^7
Engineering notation
2.0803561 × 10^6
Prime Factorization
20803561
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
20803561
Product of the distinct prime numbers
The prime factorization of 20803561 is 20803561.
Since it has a total of 1 prime factors.
1 , 2 , 31 , 92 , 881 , 612 , 7651 , 4809 , 66644 , 68714 , 594336 , 288678 , 7787900 , 4643494 , 36032637 , 84196014 , 434746065 , 166216386 , 7409182913 , 1046128082
n×2
41607122
n×3
62410683
n×4
83214244
n×5
104017805
n÷2
10401780.5
n÷3
6934520.3333333
n÷3
5200890.25
n÷5
4160712.2
n2
432788150280721
n3
9.0035346844421E+21
n4
1.8730558302341E+29
n5
3.896623122068E+36
2 √n
4561.0920841395
3 √n
275.02946681491
4 √n
67.535857765631
5 √n
29.082218706098
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
20803562
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10401781
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4561.0921937624
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999038626
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20803561 can be divided by 2 positive divisors.
The sum of these divisors (counting 20803561) is 20803562, the average is 10401781.
Base
System
Value
2
Binary
1001111010110111111101001
3
Ternary
1110010221010021
4
Quaternary
1033112333221
5
Quinary
20311203221
6
Senary
2021520441
8
Octal
117267751
10
Decimal
20803561
12
Duodecimal
6b73121
16
Hexadecimal
13d6fe9
20
Vigesimal
6a08i1
36
Base36
cdw4p
md5
e9becfa9c11cbf483eed49b2f5d0791d
sha1
e129452b5fdf34bde75289b8210b4f0ea32fd82d
sha256
bd7c34c50a8d0f9ca7d89017c96e716542639b41945292c92abbad0e294f55a6
sha512
05eea5051dbe16cc3af2258eafa65dfe19d52115d871f79311e79264a81f91f7c286165b3e42fc551ed2cc32a9d97b2d68efb749a1d4df15d9bc78a02611b76d
ripemd-160
7f0695303bb631c1244ac48a7040e545199cbb4c
Diameter
41607122
Circumference
130712628.81221
Area
1.3596440734826E+15
Volume
3.7713917894646E+22
Surface area
5.4385762939305E+15
Circumference
130712628.81221
Perimeter
83214244
Area
432788150280721
Diagonal
29420678.111856
Surface area
2596728901684326
Volume
9.0035346844421E+21
Space diagonal
36032824.630358
Perimeter
62410683
Area
1.8740276629999E+14
Altitude
18016412.315179
Surface area
1.8740276629999E+14
Volume
1.0610767383362E+21
Height
9806892.703952