21490764 is an even 8-digits composite number following 21490763
and preceding 21490765 . In scientific notation, it is written as 2.1490764 × 10^7.
The sum of its digits is 33. It has a total of 4 prime factors and 12 positive divisors.
There are 7163584 positive integers (up to 21490764) that are relatively prime to 21490764.
21490764 has 12 divisors, whose sum is 50145144
The reverse of 21490764 is 46709412
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty-one million four hundred ninety thousand seven hundred sixty-four
Scientific notation
2.1490764 × 10^7
Engineering notation
2.1490764 × 10^6
Prime Factorization
2 × 2 × 3 × 1790897
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10745382
Product of the distinct prime numbers
The prime factorization of 21490764 is 2 × 2 × 3 × 1790897.
Since it has a total of 4 prime factors.
1 , 5 , 83 , 72 , 342 , 379 , 7155 , 3207 , 1811 , 86142 , 170493 , 965992 , 6906127 , 7780212 , 631135 , 5583328 , 262441092 , 824361981 , 4281613116 , 587674471
n×2
42981528
n×3
64472292
n×4
85963056
n×5
107453820
n÷2
10745382
n÷3
7163588
n÷3
5372691
n÷5
4298152.8
n2
461852937303696
n3
9.9255724783005E+21
n4
2.1330813569605E+29
n5
4.5841548035238E+36
2 √n
4635.8131972719
3 √n
278.02506545555
4 √n
68.086806337732
5 √n
29.27186348052
1 , 2 , 3 , 4 , 6 , 12 , 1790897 , 3581794 , 5372691 , 7163588 , 10745382 , 21490764
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21490763
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21490764 can be divided by 12 positive divisors.
The sum of these divisors (counting 21490764) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010001111110110001001100
3
Ternary
1111102211210020
4
Quaternary
1101332301030
5
Quinary
21000201024
6
Senary
2044342140
8
Octal
121766114
10
Decimal
21490764
12
Duodecimal
7244950
16
Hexadecimal
147ec4c
20
Vigesimal
6e66i4
36
Base36
csmdo
md5
e23c9aef227de17f4c517eef6c314b5a
sha1
4b8020ef679c1f2f07b8a8e5b733500a1635756a
sha256
c939be7cd609d2de2affea3fdda30b5a19968a239fde6421bd08affa157f3baa
sha512
aa520628df797f8190083b60d126a97aa33e0ed9253c1fba7cfd966a36be8ea6457dc3e5c8c555a74083b276a5b4d6c429f4faedc5f2ed4cd3dede162fe1f17b
ripemd-160
38628d99f204fbf5ba887dca09f6cd3531efd821
Diameter
42981528
Circumference
135030452.60486
Area
1.4509537948722E+15
Volume
4.1576140774003E+22
Surface area
5.8038151794886E+15
Circumference
135030452.60486
Perimeter
85963056
Area
461852937303696
Diagonal
30392529.914559
Surface area
2771117623822176
Volume
9.9255724783005E+21
Space diagonal
37223095.141472
Perimeter
64472292
Area
1.9998818825873E+14
Altitude
18611547.570736
Surface area
1.9998818825873E+14
Volume
1.1697399344275E+21
Height
10130843.304853