21493963 is an odd 8-digits composite number following 21493962
and preceding 21493964 . In scientific notation, it is written as 2.1493963 × 10^7.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 20969680 positive integers (up to 21493963) that are relatively prime to 21493963.
21493963 has 4 divisors, whose sum is 22018248
The reverse of 21493963 is 36939412
Previous prime number is 41
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty-one million four hundred ninety-three thousand nine hundred sixty-three
Scientific notation
2.1493963 × 10^7
Engineering notation
2.1493963 × 10^6
Prime Factorization
41 × 524243
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21493963
Product of the distinct prime numbers
The prime factorization of 21493963 is 41 × 524243.
Since it has a total of 2 prime factors.
10 , 6 , 3 , 29 , 918 , 654 , 2617 , 5164 , 85973 , 90127 , 723668 , 628685 , 6814983 , 2455215 , 1920561 , 83303123 , 227252174 , 997775004 , 5807363641 , 3268731235
n×2
42987926
n×3
64481889
n×4
85975852
n×5
107469815
n÷2
10746981.5
n÷3
7164654.3333333
n÷3
5373490.75
n÷5
4298792.6
n2
461990445445369
n3
9.9300055407563E+21
n4
2.1343517168281E+29
n5
4.587567683049E+36
2 √n
4636.1582155919
3 √n
278.0388598784
4 √n
68.089339955619
5 √n
29.272734879193
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
-21493962
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 21493963 can be divided by 4 positive divisors.
The sum of these divisors (counting 21493963) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010001111111100011001011
3
Ternary
1111110000011201
4
Quaternary
1101333203023
5
Quinary
21000301323
6
Senary
2044405031
8
Octal
121774313
10
Decimal
21493963
12
Duodecimal
7246777
16
Hexadecimal
147f8cb
20
Vigesimal
6e6ei3
36
Base36
csouj
md5
69e16d69a3b19c27428a368bbf020482
sha1
fa2fc12a576f201b2387e200f3b5130120c460f8
sha256
18f545973a61f6098652fc0159fc0d8fd87525d28a2f0779794acba6fc3d1f27
sha512
06b901cb838e4ea06f5ba57adc5b6f3aa30de774b25645dc900544c26cd0baa2a7504d22a34b9a5b5043c9d0a27289ae81ecf036d57f672ff54725358f3a0945
ripemd-160
5bd9a6d2d57f255ef02b1fa6ea2675d41751465f
Diameter
42987926
Circumference
135050552.51466
Area
1.4513857894398E+15
Volume
4.1594709942594E+22
Surface area
5.8055431577594E+15
Circumference
135050552.51466
Perimeter
85975852
Area
461990445445369
Diagonal
30397053.983746
Surface area
2771942672672214
Volume
9.9300055407563E+21
Space diagonal
37228635.972006
Perimeter
64481889
Area
2.0004773103069E+14
Altitude
18614317.986003
Surface area
2.0004773103069E+14
Volume
1.1702623758481E+21
Height
10132351.327915