21404 is an even 5-digits composite number following 21403
and preceding 21405 . In scientific notation, it is written as 2.1404 × 10^4.
The sum of its digits is 11. It has a total of 3 prime factors and 6 positive divisors.
There are 10700 positive integers (up to 21404) that are relatively prime to 21404.
21404 has 6 divisors, whose sum is 37464
The reverse of 21404 is 40412
Previous prime number is 2
Is Prime? no
Number parity even
Number length 5
Sum of Digits 11
Digital Root 2
Name
twenty-one thousand four hundred four
Scientific notation
2.1404 × 10^4
Engineering notation
2.1404 × 10^3
Prime Factorization
2 × 2 × 5351
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
10702
Product of the distinct prime numbers
The prime factorization of 21404 is 2 × 2 × 5351.
Since it has a total of 3 prime factors.
10 , 4 , 57 , 88 , 642 , 108 , 4224 , 3985 , 92287 , 92646 , 626165 , 449400 , 8595135 , 2338305 , 72507990 , 57174251 , 811922785 , 953413323 , 5270833378 , 447022566
n×2
42808
n×3
64212
n×4
85616
n×5
107020
n÷2
10702
n÷3
7134.6666666667
n÷3
5351
n÷5
4280.8
n2
458131216
n3
9805840547264
n4
209884211073638656
n5
4.4923616538202E+21
2 √n
146.30105946301
3 √n
27.765040678999
4 √n
12.095497487206
5 √n
7.3468130450925
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21403
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21404 can be divided by 6 positive divisors.
The sum of these divisors (counting 21404) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
101001110011100
3
Ternary
1002100202
4
Quaternary
11032130
5
Quinary
1141104
6
Senary
243032
8
Octal
51634
10
Decimal
21404
12
Duodecimal
10478
16
Hexadecimal
539c
20
Vigesimal
2da4
36
Base36
gik
md5
f08ddeeefd0099a226d98ab014e6e3ca
sha1
fed2263e8ae24c61c3de87d6ad1eb7084115ae22
sha256
011f5ed030f814bc8ae20abf6a41ecbed5073f1a389603e33b3f19156c346e82
sha512
406bd7c7dfe549e725db4f76502f982631c5eafc37e7e5856b26aa9eb2ce9d1069596eeb1576862b7da226e3b4d740fb53163df237fbc58e3ad4cd4f87d65a25
ripemd-160
8da5999478a6d26b7e297803e45208e311c3c6e9
Diameter
42808
Circumference
134485.29831487
Area
1439261662.5658
Volume
41074608834077
Surface area
5757046650.263
Circumference
134485.29831487
Perimeter
85616
Area
458131216
Diagonal
30269.827089034
Surface area
2748787296
Volume
9805840547264
Space diagonal
37072.815485204
Perimeter
64212
Area
198376635.66133
Altitude
18536.407742602
Surface area
198376635.66133
Volume
1155629391034.1
Height
10089.942363011