21403 is an odd 5-digits composite number following 21402
and preceding 21404 . In scientific notation, it is written as 2.1403 × 10^4.
The sum of its digits is 10. It has a total of 2 prime factors and 4 positive divisors.
There are 20128 positive integers (up to 21403) that are relatively prime to 21403.
21403 has 4 divisors, whose sum is 22680
The reverse of 21403 is 30412
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 5
Sum of Digits 10
Digital Root 1
Name
twenty-one thousand four hundred three
Scientific notation
2.1403 × 10^4
Engineering notation
2.1403 × 10^3
Prime Factorization
17 × 1259
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21403
Product of the distinct prime numbers
The prime factorization of 21403 is 17 × 1259.
Since it has a total of 2 prime factors.
10 , 7 , 72 , 21 , 909 , 469 , 5798 , 9551 , 20491 , 60914 , 575799 , 250254 , 7982690 , 9044379 , 48213036 , 59892785 , 910923831 , 904293639 , 7174307528 , 9461926193
n×2
42806
n×3
64209
n×4
85612
n×5
107015
n÷2
10701.5
n÷3
7134.3333333333
n÷3
5350.75
n÷5
4280.6
n2
458088409
n3
9804466217827
n4
209844990460151281
n5
4.4913123308186E+21
2 √n
146.29764181285
3 √n
27.764608275817
4 √n
12.095356208597
5 √n
7.346744394837
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21402
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21403 can be divided by 4 positive divisors.
The sum of these divisors (counting 21403) is 1, the average is 0.25.
Base
System
Value
2
Binary
101001110011011
3
Ternary
1002100201
4
Quaternary
11032123
5
Quinary
1141103
6
Senary
243031
8
Octal
51633
10
Decimal
21403
12
Duodecimal
10477
16
Hexadecimal
539b
20
Vigesimal
2da3
36
Base36
gij
md5
e242fd43536246c7d2d58ec0590c912e
sha1
2822d68ba403e6bb068ce2426f3d0a54e0fb3af7
sha256
896a22c6464b4e5cc93acb83f294f4c3582af2e973ce5615050cf733d0fd09d3
sha512
15379ae45afd248b42dcba0c3f043fe940914b1974ea55450560e9b17ffd8b606dc70a10c9a0f649f51a8827fb4f277cfb84b8789cdd15ed56c6f028cd5cabfc
ripemd-160
0bd5ac5ff69a7b0e75c9b47fd509c738108b1f1b
Diameter
42806
Circumference
134479.01512956
Area
1439127180.409
Volume
41068852056393
Surface area
5756508721.6361
Circumference
134479.01512956
Perimeter
85612
Area
458088409
Diagonal
30268.412875471
Surface area
2748530454
Volume
9804466217827
Space diagonal
37071.083434397
Perimeter
64209
Area
198358099.6866
Altitude
18535.541717198
Surface area
198358099.6866
Volume
1155467424756.6
Height
10089.47095849