21494087 is an odd 8-digits composite number following 21494086
and preceding 21494088 . In scientific notation, it is written as 2.1494087 × 10^7.
The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors.
There are 20870200 positive integers (up to 21494087) that are relatively prime to 21494087.
21494087 has 8 divisors, whose sum is 22125312
The reverse of 21494087 is 78049412
Previous prime number is 131
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 eighty-seven
Scientific notation
2.1494087 × 10^7
Engineering notation
2.1494087 × 10^6
Prime Factorization
47 × 131 × 3491
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21494087
Product of the distinct prime numbers
The prime factorization of 21494087 is 47 × 131 × 3491.
Since it has a total of 3 prime factors.
4 , 7 , 16 , 46 , 807 , 589 , 4187 , 7504 , 22886 , 88624 , 424411 , 713406 , 9917188 , 6096220 , 1431084 , 68189106 , 878304895 , 571646859 , 745150837 , 8255457860
n×2
42988174
n×3
64482261
n×4
85976348
n×5
107470435
n÷2
10747043.5
n÷3
7164695.6666667
n÷3
5373521.75
n÷5
4298817.4
n2
461995775963569
n3
9.9301774021935E+21
n4
2.1344009700818E+29
n5
4.5877000143823E+36
2 √n
4636.1715887141
3 √n
278.03939455182
4 √n
68.089438158309
5 √n
29.272768654359
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
-21494086
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 21494087 can be divided by 8 positive divisors.
The sum of these divisors (counting 21494087) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010001111111100101000111
3
Ternary
1111110000100022
4
Quaternary
1101333211013
5
Quinary
21000302322
6
Senary
2044405355
8
Octal
121774507
10
Decimal
21494087
12
Duodecimal
724685b
16
Hexadecimal
147f947
20
Vigesimal
6e6f47
36
Base36
csoxz
md5
77a66d0abff7d6be58257ba3f09fe20e
sha1
848f942448676701ef7eb36a2001ab59d2bd7c7a
sha256
8ec6eec9cca872fab530a90da65da0a2c6ee4eac838cfe5f96a22965c9c3cf4a
sha512
63f79f36dc7543506d02b8c4a5a49d0f91059955d7cc171c38ff0ac4d53d9a050ed5ca1aef23b126c48ef4389a22243bd0a9e9d5e28286626886bd9035d9d91e
ripemd-160
df57662014edca9e6578d8071af7e64aa0ef4aff
Diameter
42988174
Circumference
135051331.62964
Area
1.4514025357567E+15
Volume
4.1595429834099E+22
Surface area
5.8056101430267E+15
Circumference
135051331.62964
Perimeter
85976348
Area
461995775963569
Diagonal
30397229.346227
Surface area
2771974655781414
Volume
9.9301774021935E+21
Space diagonal
37228850.746306
Perimeter
64482261
Area
2.0005003921278E+14
Altitude
18614425.373153
Surface area
2.0005003921278E+14
Volume
1.1702826299127E+21
Height
10132409.782076