21407 is an odd 5-digits prime number following 21406
and preceding 21408 . In scientific notation, it is written as 2.1407 × 10^4.
The sum of its digits is 14. It has a total of 1 prime factors and 2 positive divisors.
There are 21406 positive integers (up to 21407) that are relatively prime to 21407.
21407 has 2 divisors, whose sum is 21408
The reverse of 21407 is 70412
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 four hundred seven
Scientific notation
2.1407 × 10^4
Engineering notation
2.1407 × 10^3
Prime Factorization
21407
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
21407
Product of the distinct prime numbers
The prime factorization of 21407 is 21407.
Since it has a total of 1 prime factors.
9 , 1 , 32 , 25 , 243 , 144 , 9080 , 3891 , 31664 , 63026 , 858150 , 529774 , 5972374 , 682543 , 26144316 , 9091488 , 719121602 , 340845045 , 6673462229 , 9386141773
n×2
42814
n×3
64221
n×4
85628
n×5
107035
n÷2
10703.5
n÷3
7135.6666666667
n÷3
5351.75
n÷5
4281.4
n2
458259649
n3
9809964306143
n4
210001905901603201
n5
4.4955107996356E+21
2 √n
146.31131193452
3 √n
27.76633780774
4 √n
12.095921293333
5 √n
7.3470189804649
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
21408
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10704
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
146.31472926538
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999065769806
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21407 can be divided by 2 positive divisors.
The sum of these divisors (counting 21407) is 21408, the average is 10704.
Base
System
Value
2
Binary
101001110011111
3
Ternary
1002100212
4
Quaternary
11032133
5
Quinary
1141112
6
Senary
243035
8
Octal
51637
10
Decimal
21407
12
Duodecimal
1047b
16
Hexadecimal
539f
20
Vigesimal
2da7
36
Base36
gin
md5
954c42feaba402a134e4d89ae31cc766
sha1
6da4e0778ee2cc3f1375d1213d3d2d68495a5ac3
sha256
4b427fd07d86f199a550628fdc6e0b85cbb4aa5e520b6b2362bce442633b3f68
sha512
2f1818eb4a5c8f0ef7b5ec91c085a2fb8fbeed841c69de333b30fd2c2e64f241b3ce76e1307dab9f5e07c5319c97bb6a0accb84259298814ab940223bfb2bac2
ripemd-160
d0d49c8675ca0dabc241f675d9d092ee6fd30ae5
Diameter
42814
Circumference
134504.14787079
Area
1439665146.735
Volume
41091882394876
Surface area
5758660586.9401
Circumference
134504.14787079
Perimeter
85628
Area
458259649
Diagonal
30274.069729721
Surface area
2749557894
Volume
9809964306143
Space diagonal
37078.011637627
Perimeter
64221
Area
198432248.78167
Altitude
18539.005818813
Surface area
198432248.78167
Volume
1156115380678.6
Height
10091.356576574