21803 is an odd 5-digits prime number following 21802
and preceding 21804 . In scientific notation, it is written as 2.1803 × 10^4.
The sum of its digits is 14. It has a total of 1 prime factors and 2 positive divisors.
There are 21802 positive integers (up to 21803) that are relatively prime to 21803.
21803 has 2 divisors, whose sum is 21804
The reverse of 21803 is 30812
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 5
Sum of Digits 14
Digital Root 5
Name
twenty-one thousand eight hundred three
Scientific notation
2.1803 × 10^4
Engineering notation
2.1803 × 10^3
Prime Factorization
21803
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
21803
Product of the distinct prime numbers
The prime factorization of 21803 is 21803.
Since it has a total of 1 prime factors.
3 , 10 , 7 , 41 , 608 , 15 , 6243 , 5381 , 16184 , 45360 , 416638 , 420281 , 9157202 , 9079118 , 74404545 , 49730909 , 193353328 , 660150470 , 4635295991 , 4319790054
n×2
43606
n×3
65409
n×4
87212
n×5
109015
n÷2
10901.5
n÷3
7267.6666666667
n÷3
5450.75
n÷5
4360.6
n2
475370809
n3
10364509748627
n4
225977406049314481
n5
4.9269853840932E+21
2 √n
147.65838953476
3 √n
27.936505786012
4 √n
12.151476845831
5 √n
7.3740019982485
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
21804
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10902
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
147.66177569026
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999082737112
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21803 can be divided by 2 positive divisors.
The sum of these divisors (counting 21803) is 21804, the average is 10902.
Base
System
Value
2
Binary
101010100101011
3
Ternary
1002220112
4
Quaternary
11110223
5
Quinary
1144203
6
Senary
244535
8
Octal
52453
10
Decimal
21803
12
Duodecimal
1074b
16
Hexadecimal
552b
20
Vigesimal
2ea3
36
Base36
gtn
md5
4bd2907cbb192d8d579d82e73dc49ce1
sha1
f89e9137d2c5dfc98ec684f95310b0557f7b4b29
sha256
b1002c23737efa0ec8804aa256646d60db1d3023ceee2155c4f0ba6f378abcbe
sha512
374326986eb22cfe177fe2a169043711095ead6873b7847c6da27746daf22b3888704d6ed928268c262a3b19aee59735517f5da499e38cd646bf5e2526037101
ripemd-160
6baf15376ed7e69bf695c01c40858a361e4020e9
Diameter
43606
Circumference
136992.28925244
Area
1493421441.2854
Volume
43414756912462
Surface area
5973685765.1417
Circumference
136992.28925244
Perimeter
87212
Area
475370809
Diagonal
30834.098300421
Surface area
2852224854
Volume
10364509748627
Space diagonal
37763.903757424
Perimeter
65409
Area
205841598.40578
Altitude
18881.951878712
Surface area
205841598.40578
Volume
1221469187821.4
Height
10278.032766807