21492394 is an even 8-digits composite number following 21492393
and preceding 21492395 . In scientific notation, it is written as 2.1492394 × 10^7.
The sum of its digits is 34. It has a total of 5 prime factors and 32 positive divisors.
There are 8244720 positive integers (up to 21492394) that are relatively prime to 21492394.
21492394 has 32 divisors, whose sum is 40813056
The reverse of 21492394 is 49329412
Previous prime number is 67
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty-one million four hundred ninety-two thousand three hundred ninety-four
Scientific notation
2.1492394 × 10^7
Engineering notation
2.1492394 × 10^6
Prime Factorization
2 × 7 × 11 × 67 × 2083
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
21492394
Product of the distinct prime numbers
The prime factorization of 21492394 is 2 × 7 × 11 × 67 × 2083.
Since it has a total of 5 prime factors.
7 , 5 , 31 , 24 , 821 , 34 , 49 , 7815 , 52667 , 53882 , 263276 , 166933 , 7572068 , 1142097 , 80659922 , 58839438 , 780255836 , 59781559 , 2369344269 , 3240853967
n×2
42984788
n×3
64477182
n×4
85969576
n×5
107461970
n÷2
10746197
n÷3
7164131.3333333
n÷3
5373098.5
n÷5
4298478.8
n2
461922999851236
n3
9.9278311104647E+21
n4
2.1337285779156E+29
n5
4.5858935285623E+36
2 √n
4635.9889991241
3 √n
278.03209435721
4 √n
68.088097338111
5 √n
29.272307500937
1 , 2 , 7 , 11 , 14 , 22 , 67 , 77 , 134 , 154 , 469 , 737 , 938 , 1474 , 2083 , 4166 , 5159 , 10318 , 14581 , 22913 , 29162 , 45826 , 139561 , 160391 , 279122 , 320782 , 976927 , 1535171 , 1953854 , 3070342 , 10746197 , 21492394
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21492393
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21492394 can be divided by 32 positive divisors.
The sum of these divisors (counting 21492394) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010001111111001010101010
3
Ternary
1111102221000121
4
Quaternary
1101333022222
5
Quinary
21000224034
6
Senary
2044353454
8
Octal
121771252
10
Decimal
21492394
12
Duodecimal
724588a
16
Hexadecimal
147f2aa
20
Vigesimal
6e6aje
36
Base36
csnmy
md5
daa6e84cd3d5d905645c69b920719a90
sha1
4591e19209df918fbeebc10ccd0474bc3b8a0fa8
sha256
c8261237fa9c5dfe46036cbf380aa5a7eb8dccb1c5db4afe98f06320f64a5a0b
sha512
88da0a0bded2153e7b35228c1652dfeaed2222e35c90298587ec3979d5fa5a9e39b128a11c78fade38068ea30ef74d2a2831cb5c6ad0433e16e42478da93fbcb
ripemd-160
465a362faef3d838ca3d6c37293de82a4d6b4605
Diameter
42984788
Circumference
135040694.19691
Area
1.4511739028568E+15
Volume
4.1585601710288E+22
Surface area
5.8046956114272E+15
Circumference
135040694.19691
Perimeter
85969576
Area
461922999851236
Diagonal
30394835.082666
Surface area
2771537999107416
Volume
9.9278311104647E+21
Space diagonal
37225918.384288
Perimeter
64477182
Area
2.0001852623174E+14
Altitude
18612959.192144
Surface area
2.0001852623174E+14
Volume
1.1700061167807E+21
Height
10131611.694222