21343909 is an odd 8-digits prime number following 21343908
and preceding 21343910 . In scientific notation, it is written as 2.1343909 × 10^7.
The sum of its digits is 31. It has a total of 1 prime factors and 2 positive divisors.
There are 21343908 positive integers (up to 21343909) that are relatively prime to 21343909.
21343909 has 2 divisors, whose sum is 21343910
The reverse of 21343909 is 90934312
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-one million three hundred forty-three thousand nine hundred nine
Scientific notation
2.1343909 × 10^7
Engineering notation
2.1343909 × 10^6
Prime Factorization
21343909
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
21343909
Product of the distinct prime numbers
The prime factorization of 21343909 is 21343909.
Since it has a total of 1 prime factors.
9 , 6 , 20 , 95 , 514 , 81 , 9488 , 4961 , 22279 , 32495 , 467901 , 858585 , 6850030 , 7704673 , 48200908 , 58905696 , 464422284 , 394655873 , 8333534444 , 1724117922
n×2
42687818
n×3
64031727
n×4
85375636
n×5
106719545
n÷2
10671954.5
n÷3
7114636.3333333
n÷3
5335977.25
n÷5
4268781.8
n2
455562451400281
n3
9.7234835065045E+21
n4
2.0753714712583E+29
n5
4.4296539823734E+36
2 √n
4619.9468611663
3 √n
277.39033190495
4 √n
67.970190974914
5 √n
29.231748407204
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
21343910
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10671955
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4619.9469693926
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999062965
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21343909 can be divided by 2 positive divisors.
The sum of these divisors (counting 21343909) is 21343910, the average is 10671955.
Base
System
Value
2
Binary
1010001011010111010100101
3
Ternary
1111011101100011
4
Quaternary
1101122322211
5
Quinary
20431001114
6
Senary
2041250221
8
Octal
121327245
10
Decimal
21343909
12
Duodecimal
7193971
16
Hexadecimal
145aea5
20
Vigesimal
6d7jf9
36
Base36
cph2d
md5
4ac191d5304ae2ff320bbcf4ebba0699
sha1
ed388b1f7612177f9849cd6bf6bafe79a9ae8cfb
sha256
46e23216f35d0e971ef402bd5dc5eda32265920e008252d26e55c246e220437b
sha512
c9c442133a48b13b781c8537e30b29f04173b2638ff32a4ab6f2ac76c79f924140f758716e94e87634a4d5070949d9e364e318f0de73fab0d6b1727825401e0a
ripemd-160
5abe6a4f96d9ab7a8e9bc84649f5f79bac0cd7bd
Diameter
42687818
Circumference
134107735.42658
Area
1.4311916505705E+15
Volume
4.0729632468448E+22
Surface area
5.7247666022819E+15
Circumference
134107735.42658
Perimeter
85375636
Area
455562451400281
Diagonal
30184845.581857
Surface area
2733374708401686
Volume
9.7234835065045E+21
Space diagonal
36968734.820127
Perimeter
64031727
Area
1.9726432796148E+14
Altitude
18484367.410063
Surface area
1.9726432796148E+14
Volume
1.1459235207008E+21
Height
10061615.193952