21293415 is an odd 8-digits composite number following 21293414
and preceding 21293416 . In scientific notation, it is written as 2.1293415 × 10^7.
The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors.
There are 9521280 positive integers (up to 21293415) that are relatively prime to 21293415.
21293415 has 8 divisors, whose sum is 23691840
The reverse of 21293415 is 51439212
Previous prime number is 9
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty-one million two hundred ninety-three thousand four hundred fifteen
Scientific notation
2.1293415 × 10^7
Engineering notation
2.1293415 × 10^6
Prime Factorization
2145 × 9 × 1103
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21293415
Product of the distinct prime numbers
The prime factorization of 21293415 is 2145 × 9 × 1103.
Since it has a total of 3 prime factors.
8 , 9 , 69 , 31 , 349 , 901 , 5149 , 2463 , 61269 , 50709 , 907307 , 358118 , 663321 , 9317888 , 28435974 , 454424 , 875597022 , 166481551 , 4587959876 , 3254061893
n×2
42586830
n×3
63880245
n×4
85173660
n×5
106467075
n÷2
10646707.5
n÷3
7097805
n÷3
5323353.75
n÷5
4258683
n2
453409522362225
n3
9.6546371246106E+21
n4
2.0558019496874E+29
n5
4.3775044072503E+36
2 √n
4614.4788438132
3 √n
277.17141531674
4 √n
67.929955423313
5 √n
29.217904395356
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
-21293414
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 21293415 can be divided by 8 positive divisors.
The sum of these divisors (counting 21293415) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010001001110100101100111
3
Ternary
1111001211002000
4
Quaternary
1101032211213
5
Quinary
20422342130
6
Senary
2040220343
8
Octal
121164547
10
Decimal
21293415
12
Duodecimal
716a6b3
16
Hexadecimal
144e967
20
Vigesimal
6d1daf
36
Base36
coe3r
md5
56f940749875ec34640478367341d904
sha1
ecab4d61da3532ee92fd7f8a6e29c47ce40e72f1
sha256
556dcfb0f186c1a73cb553c94da5f69086a1d366a70bedb61f8ead9ca47288e2
sha512
8949a3eb0fdf2ff8484ea35e2e85e0bada4d58330ec6019e0d4fff9d1805d391aab8c6e40b5a86bf9daf086939532925ad49a2cb5b7090db77e930054d58a206
ripemd-160
4d472540c2de603755781e0991962cfc8e6cb1a2
Diameter
42586830
Circumference
133790472.26768
Area
1.4244280245208E+15
Volume
4.0441249418336E+22
Surface area
5.6977120980833E+15
Circumference
133790472.26768
Perimeter
85173660
Area
453409522362225
Diagonal
30113436.282239
Surface area
2720457134173350
Volume
9.6546371246106E+21
Space diagonal
36881276.646649
Perimeter
63880245
Area
1.9633208234173E+14
Altitude
18440638.323325
Surface area
1.9633208234173E+14
Volume
1.1378098967846E+21
Height
10037812.09408