21494472 is an even 8-digits composite number following 21494471
and preceding 21494473 . In scientific notation, it is written as 2.1494472 × 10^7.
The sum of its digits is 33. It has a total of 5 prime factors and 16 positive divisors.
There are 6787584 positive integers (up to 21494472) that are relatively prime to 21494472.
21494472 has 16 divisors, whose sum is 41010060
The reverse of 21494472 is 27449412
Previous prime number is 57
Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty-one million four hundred ninety-four thousand four hundred seventy-two
Scientific notation
2.1494472 × 10^7
Engineering notation
2.1494472 × 10^6
Prime Factorization
2 × 2 × 2 × 57 × 47137
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
5373618
Product of the distinct prime numbers
The prime factorization of 21494472 is 2 × 2 × 2 × 57 × 47137.
Since it has a total of 5 prime factors.
10 , 1 , 24 , 77 , 189 , 687 , 6889 , 8257 , 67920 , 5384 , 597721 , 548057 , 8467233 , 6963825 , 34890069 , 59570780 , 89529392 , 210312697 , 1973383291 , 3630496899
n×2
42988944
n×3
64483416
n×4
85977888
n×5
107472360
n÷2
10747236
n÷3
7164824
n÷3
5373618
n÷5
4298894.4
n2
462012326558784
n3
9.9307110168726E+21
n4
2.1345538989226E+29
n5
4.5881109012883E+36
2 √n
4636.2131098559
3 √n
278.04105461346
4 √n
68.089743059112
5 √n
29.272873519805
1 , 2 , 4 , 8 , 57 , 114 , 228 , 456 , 47137 , 94274 , 188548 , 377096 , 2686809 , 5373618 , 10747236 , 21494472
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21494471
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21494472 can be divided by 16 positive divisors.
The sum of these divisors (counting 21494472) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001111111101011001000
3
Ternary
1111110000212120
4
Quaternary
1101333223020
5
Quinary
21000310342
6
Senary
2044411240
8
Octal
121775310
10
Decimal
21494472
12
Duodecimal
7246b20
16
Hexadecimal
147fac8
20
Vigesimal
6e6g3c
36
Base36
csp8o
md5
2c0ddc1f110430468ab5f188a5ca82be
sha1
454f90e27d397e12ca3050e439c942d2044deb6f
sha256
13b0e8a3f7c4efc9b9ef9bcefa9f9d475b2b4d4ac84a376cb33f8a742f17de85
sha512
c511d35b29d71fa83c7cc050cb89a05aaa7ce0c7283f5dddc8538f29ff97e8fd0dc90bdd4023eb3377c4315a3b66537ad7d45b55a9a66a66423b0c68fbd620d0
ripemd-160
a25c699b033c9c0b9edf6b5fb4c464ef65efbb3f
Diameter
42988944
Circumference
135053750.65598
Area
1.451454530985E+15
Volume
4.159766503404E+22
Surface area
5.80581812394E+15
Circumference
135053750.65598
Perimeter
85977888
Area
462012326558784
Diagonal
30397773.818449
Surface area
2772073959352704
Volume
9.9307110168726E+21
Space diagonal
37229517.585867
Perimeter
64483416
Area
2.0005720583073E+14
Altitude
18614758.792933
Surface area
2.0005720583073E+14
Volume
1.1703455170058E+21
Height
10132591.272816