21494447 is an odd 8-digits composite number following 21494446
and preceding 21494448 . In scientific notation, it is written as 2.1494447 × 10^7.
The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors.
There are 19304352 positive integers (up to 21494447) that are relatively prime to 21494447.
21494447 has 8 divisors, whose sum is 23774016
The reverse of 21494447 is 74449412
Previous prime number is 37
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty-one million four hundred ninety-four thousand four hundred forty-seven
Scientific notation
2.1494447 × 10^7
Engineering notation
2.1494447 × 10^6
Prime Factorization
13 × 37 × 44687
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21494447
Product of the distinct prime numbers
The prime factorization of 21494447 is 13 × 37 × 44687.
Since it has a total of 3 prime factors.
2 , 5 , 11 , 55 , 180 , 695 , 4889 , 6523 , 44708 , 32882 , 5155 , 222601 , 9488985 , 6908116 , 9835222 , 78603010 , 648881457 , 19947914 , 1848393870 , 8729451480
n×2
42988894
n×3
64483341
n×4
85977788
n×5
107472235
n÷2
10747223.5
n÷3
7164815.6666667
n÷3
5373611.75
n÷5
4298889.4
n2
462011251835809
n3
9.9306763659885E+21
n4
2.1345439682289E+29
n5
4.5880842194266E+36
2 √n
4636.2104136892
3 √n
278.04094681785
4 √n
68.089723260483
5 √n
29.272866710406
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
-21494446
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 21494447 can be divided by 8 positive divisors.
The sum of these divisors (counting 21494447) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010001111111101010101111
3
Ternary
1111110000211122
4
Quaternary
1101333222233
5
Quinary
21000310242
6
Senary
2044411155
8
Octal
121775257
10
Decimal
21494447
12
Duodecimal
7246abb
16
Hexadecimal
147faaf
20
Vigesimal
6e6g27
36
Base36
csp7z
md5
d799c487acb5d9d68e04a9e6a125ac63
sha1
1d22502fbf0fe3e492fccee15bb67f58693ffcfa
sha256
bfe18fc0697d5e0058745b1e529447958a10aae322404fbb450942e673fd20ea
sha512
4adbff5010a4938986eeacb6f0e626fd4a434655058fbac061a0269d501086faadecc53b829d64083e45fb305d79b6a7edaf33d42da46d4ad1089b6fd07340c9
ripemd-160
8e4813743f56cd7368baab070a92a829958b269f
Diameter
42988894
Circumference
135053593.57635
Area
1.4514511546432E+15
Volume
4.1597519888756E+22
Surface area
5.8058046185728E+15
Circumference
135053593.57635
Perimeter
85977788
Area
462011251835809
Diagonal
30397738.46311
Surface area
2772067511014854
Volume
9.9306763659885E+21
Space diagonal
37229474.284596
Perimeter
64483341
Area
2.0005674046203E+14
Altitude
18614737.142298
Surface area
2.0005674046203E+14
Volume
1.1703414333599E+21
Height
10132579.487703