21473945 is an odd 8-digits composite number following 21473944
and preceding 21473946 . In scientific notation, it is written as 2.1473945 × 10^7.
The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors.
There are 17162496 positive integers (up to 21473945) that are relatively prime to 21473945.
21473945 has 8 divisors, whose sum is 25793736
The reverse of 21473945 is 54937412
Previous prime number is 2293
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty-one million four hundred seventy-three thousand nine hundred forty-five
Scientific notation
2.1473945 × 10^7
Engineering notation
2.1473945 × 10^6
Prime Factorization
5 × 2293 × 1873
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21473945
Product of the distinct prime numbers
The prime factorization of 21473945 is 5 × 2293 × 1873.
Since it has a total of 3 prime factors.
10 , 10 , 23 , 12 , 345 , 186 , 8645 , 980 , 3747 , 93568 , 962154 , 459516 , 7270357 , 6160790 , 50647826 , 89890108 , 335243777 , 695964328 , 9061238218 , 2993514517
n×2
42947890
n×3
64421835
n×4
85895780
n×5
107369725
n÷2
10736972.5
n÷3
7157981.6666667
n÷3
5368486.25
n÷5
4294789
n2
461130313863025
n3
9.9022869977273E+21
n4
2.1264116636341E+29
n5
4.5662447112238E+36
2 √n
4633.9988131203
3 √n
277.95251763967
4 √n
68.073480982834
5 √n
29.267280324107
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21473944
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21473945 can be divided by 8 positive divisors.
The sum of these divisors (counting 21473945) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010001111010101010011001
3
Ternary
1111101222201022
4
Quaternary
1101322222121
5
Quinary
20444131240
6
Senary
2044132225
8
Octal
121725231
10
Decimal
21473945
12
Duodecimal
7237075
16
Hexadecimal
147aa99
20
Vigesimal
6e44h5
36
Base36
cs9eh
md5
147456f8443b269d98028bedab6d7947
sha1
894a255b10124343d396a52d3dfc30eaadfc56e3
sha256
caed7e632b57753dd2dd9975de9ae86e5d8b0d664feb02cb1af9d38d73a2af1f
sha512
507da5b17278e0532aa1498f6a86cc6721fc6842c4913f18d2d793fc779e08f062d3548d9b6f0dffd2a495d7d911006fe7ad331ae735efc64981c3ab88c7fee6
ripemd-160
6954d0fdd3f6d075fa040fc1dcb738aec474dcc6
Diameter
42947890
Circumference
134924775.71118
Area
1.4486836063796E+15
Volume
4.1478602781064E+22
Surface area
5.7947344255185E+15
Circumference
134924775.71118
Perimeter
85895780
Area
461130313863025
Diagonal
30368744.256654
Surface area
2766781883178150
Volume
9.9022869977273E+21
Space diagonal
37193963.77894
Perimeter
64421835
Area
1.9967528313024E+14
Altitude
18596981.88947
Surface area
1.9967528313024E+14
Volume
1.1669957142247E+21
Height
10122914.752218