21543213 is an odd 8-digits composite number following 21543212
and preceding 21543214 . In scientific notation, it is written as 2.1543213 × 10^7.
The sum of its digits is 21. It has a total of 2 prime factors and 4 positive divisors.
There are 13973904 positive integers (up to 21543213) that are relatively prime to 21543213.
21543213 has 4 divisors, whose sum is 21737408
The reverse of 21543213 is 31234512
Previous prime number is 111
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty-one million five hundred forty-three thousand two hundred thirteen
Scientific notation
2.1543213 × 10^7
Engineering notation
2.1543213 × 10^6
Prime Factorization
111 × 194083
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21543213
Product of the distinct prime numbers
The prime factorization of 21543213 is 111 × 194083.
Since it has a total of 2 prime factors.
2 , 4 , 20 , 61 , 602 , 892 , 6783 , 4205 , 24708 , 20635 , 15591 , 52387 , 5061908 , 2752575 , 90609396 , 20213079 , 59354119 , 245928226 , 2705735543 , 196564835
n×2
43086426
n×3
64629639
n×4
86172852
n×5
107716065
n÷2
10771606.5
n÷3
7181071
n÷3
5385803.25
n÷5
4308642.6
n2
464110026363369
n3
9.9984211533817E+21
n4
2.1539811657101E+29
n5
4.640367505088E+36
2 √n
4641.4666862965
3 √n
278.25105850648
4 √n
68.128310461191
5 √n
29.286137364833
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
-21543212
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 21543213 can be divided by 4 positive divisors.
The sum of these divisors (counting 21543213) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010010001011100100101101
3
Ternary
1111112111201210
4
Quaternary
1102023210231
5
Quinary
21003340323
6
Senary
2045425033
8
Octal
122134455
10
Decimal
21543213
12
Duodecimal
726b179
16
Hexadecimal
148b92d
20
Vigesimal
6eci0d
36
Base36
ctqul
md5
6b114d4b389619a1c2b0dfcc9f732106
sha1
0620c6b8bb4113256c7469c1d5e8ea490a9820c7
sha256
ccb2d574345fd8b9071cb139d7beed77c806cdc31d6253448372a1f1eddc43da
sha512
cbfb517ee244f0b85191ea1adee823944b29a685f4bc873b0fea909409fa466fd39d520c79b64a1ef2f31f7591c1fab28cb257a824aeb8b8c53e99ec282198a4
ripemd-160
51688827db0175338d763a0f0111431bf66556e9
Diameter
43086426
Circumference
135359999.39104
Area
1.4580446492805E+15
Volume
4.1881288590614E+22
Surface area
5.8321785971221E+15
Circumference
135359999.39104
Perimeter
86172852
Area
464110026363369
Diagonal
30466704.001692
Surface area
2784660158180214
Volume
9.9984211533817E+21
Space diagonal
37313939.474278
Perimeter
64629639
Area
2.0096553649087E+14
Altitude
18656969.737139
Surface area
2.0096553649087E+14
Volume
1.1783252331192E+21
Height
10155568.000564