21243693 is an odd 8-digits composite number following 21243692
and preceding 21243694 . In scientific notation, it is written as 2.1243693 × 10^7.
The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors.
There are 13329344 positive integers (up to 21243693) that are relatively prime to 21243693.
21243693 has 4 divisors, whose sum is 21660288
The reverse of 21243693 is 39634212
Previous prime number is 51
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-one million two hundred forty-three thousand six hundred ninety-three
Scientific notation
2.1243693 × 10^7
Engineering notation
2.1243693 × 10^6
Prime Factorization
51 × 416543
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21243693
Product of the distinct prime numbers
The prime factorization of 21243693 is 51 × 416543.
Since it has a total of 2 prime factors.
5 , 7 , 72 , 91 , 817 , 8 , 694 , 5149 , 21440 , 33942 , 785611 , 820555 , 1261361 , 6790415 , 22929239 , 43975962 , 2515829 , 871540642 , 5522401765 , 4210046543
n×2
42487386
n×3
63731079
n×4
84974772
n×5
106218465
n÷2
10621846.5
n÷3
7081231
n÷3
5310923.25
n÷5
4248738.6
n2
451294492278249
n3
9.58716164655E+21
n4
2.0366671876068E+29
n5
4.3266332476693E+36
2 √n
4609.0880876807
3 √n
276.95550728338
4 √n
67.89026504353
5 √n
29.204246356122
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
-21243692
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 21243693 can be divided by 4 positive divisors.
The sum of these divisors (counting 21243693) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010001000010011100101101
3
Ternary
1110222021212110
4
Quaternary
1101002130231
5
Quinary
20414244233
6
Senary
2035154233
8
Octal
121023455
10
Decimal
21243693
12
Duodecimal
7145979
16
Hexadecimal
144272d
20
Vigesimal
6cf94d
36
Base36
cnbql
md5
275cac2596123f1081cb6079a4617091
sha1
2c9151fc71d361bfc4c0d46e82d3c768a7de98d3
sha256
b3ef363dd6b31216c29951a0543f7403cdcbae12a9c9082ee22d03753741247a
sha512
11a6aa620551bd55e1c46412011b3df506ba730dab8d540b57f05f6b2557e1717d2736cf6034d7fc440364fdd05d8829e0afe11aa41274e9a09ab0750f312222
ripemd-160
b95fb889eeb84015572884cc6b3a911a47773c49
Diameter
42487386
Circumference
133478059.72783
Area
1.4177834615469E+15
Volume
4.0158608796772E+22
Surface area
5.6711338461875E+15
Circumference
133478059.72783
Perimeter
84974772
Area
451294492278249
Diagonal
30043118.75549
Surface area
2707766953669494
Volume
9.58716164655E+21
Space diagonal
36795155.616395
Perimeter
63731079
Area
1.9541624745048E+14
Altitude
18397577.808198
Surface area
1.9541624745048E+14
Volume
1.1298578354345E+21
Height
10014372.918497