21234561 is an odd 8-digits composite number following 21234560
and preceding 21234562 . In scientific notation, it is written as 2.1234561 × 10^7.
The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors.
There are 13676544 positive integers (up to 21234561) that are relatively prime to 21234561.
21234561 has 16 divisors, whose sum is 29287104
The reverse of 21234561 is 16543212
Previous prime number is 97
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty-one million two hundred thirty-four thousand five hundred sixty-one
Scientific notation
2.1234561 × 10^7
Engineering notation
2.1234561 × 10^6
Prime Factorization
3 × 43 × 97 × 1697
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21234561
Product of the distinct prime numbers
The prime factorization of 21234561 is 3 × 43 × 97 × 1697.
Since it has a total of 4 prime factors.
8 , 9 , 37 , 9 , 17 , 727 , 4298 , 2169 , 38069 , 5358 , 561318 , 600224 , 2423243 , 2406480 , 99618721 , 72839892 , 932174126 , 880787280 , 69114896 , 1195472747
n×2
42469122
n×3
63703683
n×4
84938244
n×5
106172805
n÷2
10617280.5
n÷3
7078187
n÷3
5308640.25
n÷5
4246912.2
n2
450906580862721
n3
9.5748032966309E+21
n4
2.0331674466531E+29
n5
4.3173418169169E+36
2 √n
4608.0973297013
3 √n
276.91581675529
4 √n
67.882967891079
5 √n
29.201735125642
1 , 3 , 43 , 97 , 129 , 291 , 1697 , 4171 , 5091 , 12513 , 72971 , 164609 , 218913 , 493827 , 7078187 , 21234561
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21234560
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21234561 can be divided by 16 positive divisors.
The sum of these divisors (counting 21234561) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001000000001110000001
3
Ternary
1110221211100020
4
Quaternary
1101000032001
5
Quinary
20414001221
6
Senary
2035044053
8
Octal
121001601
10
Decimal
21234561
12
Duodecimal
7140629
16
Hexadecimal
1440381
20
Vigesimal
6ce681
36
Base36
cn4ox
md5
e866e664eb72790508670766976ea62f
sha1
004c2bfd6c699e08eb9b6193ae72c5187950c069
sha256
87066181e905585aee70925554016ada261db580c92a8bb3677faeec16ad2cd2
sha512
11f3a963c871c908f7703412d224bffbe32bc263123e57b45fc327120a880de49b1dd094b24e29ac6e5224c22b10456dd5a4e0d02a4f2c2baed7dff9e0dcf224
ripemd-160
85af94ba3fb0d4cf05a58d4442b370d46baf1d2e
Diameter
42469122
Circumference
133420681.67961
Area
1.4165648018936E+15
Volume
4.0106842261684E+22
Surface area
5.6662592075745E+15
Circumference
133420681.67961
Perimeter
84938244
Area
450906580862721
Diagonal
30030204.157239
Surface area
2705439485176326
Volume
9.5748032966309E+21
Space diagonal
36779338.528421
Perimeter
63703683
Area
1.9524827688035E+14
Altitude
18389669.26421
Surface area
1.9524827688035E+14
Volume
1.1284013899292E+21
Height
10010068.052413