21243793 is an odd 8-digits prime number following 21243792
and preceding 21243794 . In scientific notation, it is written as 2.1243793 × 10^7.
The sum of its digits is 31. It has a total of 1 prime factors and 2 positive divisors.
There are 21243792 positive integers (up to 21243793) that are relatively prime to 21243793.
21243793 has 2 divisors, whose sum is 21243794
The reverse of 21243793 is 39734212
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 two hundred forty-three thousand seven hundred ninety-three
Scientific notation
2.1243793 × 10^7
Engineering notation
2.1243793 × 10^6
Prime Factorization
21243793
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
21243793
Product of the distinct prime numbers
The prime factorization of 21243793 is 21243793.
Since it has a total of 1 prime factors.
7 , 8 , 12 , 30 , 137 , 650 , 8985 , 27 , 53912 , 1787 , 28687 , 498905 , 9149129 , 872835 , 14395023 , 22295754 , 398090970 , 970436185 , 1931979988 , 8530265418
n×2
42487586
n×3
63731379
n×4
84975172
n×5
106218965
n÷2
10621896.5
n÷3
7081264.3333333
n÷3
5310948.25
n÷5
4248758.6
n2
451298741026849
n3
9.587297035535E+21
n4
2.0367055365242E+29
n5
4.3267350819874E+36
2 √n
4609.0989358008
3 √n
276.95594185169
4 √n
67.890344938001
5 √n
29.20427385058
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
21243794
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10621897
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4609.0990442819
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999058549
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21243793 can be divided by 2 positive divisors.
The sum of these divisors (counting 21243793) is 21243794, the average is 10621897.
Base
System
Value
2
Binary
1010001000010011110010001
3
Ternary
1110222022000011
4
Quaternary
1101002132101
5
Quinary
20414300133
6
Senary
2035154521
8
Octal
121023621
10
Decimal
21243793
12
Duodecimal
7145a41
16
Hexadecimal
1442791
20
Vigesimal
6cf99d
36
Base36
cnbtd
md5
c25db9c81358918dd03ab361d4fd7a36
sha1
68eb2e3afc43d5ed3a3eeab559e61fdd0752738d
sha256
e0c3b5e9b1b0fdf6ec95193747ab98f21d9953a7921a36a0b027b591bcd78dec
sha512
153206060c3b81f56304cbaef36650ee280d8b15b4cff92230df02e89681ea83a4e766931c5a6813892b970784cd4b3a36976c670f1f3a78d5dbb395f96707e9
ripemd-160
ee600c1f9809b181a65c829a6154c8882f998d38
Diameter
42487586
Circumference
133478688.04636
Area
1.4177968093843E+15
Volume
4.0159175912827E+22
Surface area
5.6711872375371E+15
Circumference
133478688.04636
Perimeter
84975172
Area
451298741026849
Diagonal
30043260.176847
Surface area
2707792446161094
Volume
9.587297035535E+21
Space diagonal
36795328.821476
Perimeter
63731379
Area
1.9541808721259E+14
Altitude
18397664.410738
Surface area
1.9541808721259E+14
Volume
1.1298737911794E+21
Height
10014420.058949