21293775 is an odd 8-digits composite number following 21293774
and preceding 21293776 . In scientific notation, it is written as 2.1293775 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 10091520 positive integers (up to 21293775) that are relatively prime to 21293775.
21293775 has 16 divisors, whose sum is 27179712
The reverse of 21293775 is 57739212
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty-one million two hundred ninety-three thousand seven hundred seventy-five
Scientific notation
2.1293775 × 10^7
Engineering notation
2.1293775 × 10^6
Prime Factorization
5 × 855 × 17 × 293
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21293775
Product of the distinct prime numbers
The prime factorization of 21293775 is 5 × 855 × 17 × 293.
Since it has a total of 4 prime factors.
9 , 2 , 23 , 25 , 186 , 953 , 393 , 2916 , 92289 , 88060 , 358244 , 662763 , 2309275 , 6823425 , 95306778 , 61236844 , 672372074 , 67308550 , 6875115180 , 111882484
n×2
42587550
n×3
63881325
n×4
85175100
n×5
106468875
n÷2
10646887.5
n÷3
7097925
n÷3
5323443.75
n÷5
4258755
n2
453424853750625
n3
9.6551268151737E+21
n4
2.0559409799878E+29
n5
4.3778744641139E+36
2 √n
4614.5178513036
3 √n
277.17297731994
4 √n
67.930242538237
5 √n
29.218003189978
1 , 5 , 17 , 85 , 293 , 855 , 1465 , 4275 , 4981 , 14535 , 24905 , 72675 , 250515 , 1252575 , 4258755 , 21293775
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21293774
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21293775 can be divided by 16 positive divisors.
The sum of these divisors (counting 21293775) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001001110101011001111
3
Ternary
1111001211120100
4
Quaternary
1101032223033
5
Quinary
20422400100
6
Senary
2040222143
8
Octal
121165317
10
Decimal
21293775
12
Duodecimal
716a953
16
Hexadecimal
144eacf
20
Vigesimal
6d1e8f
36
Base36
coedr
md5
0f991cbab2a8e6aeae488fe55f9e9f36
sha1
12ecc8fef75a592ea706397cd2111b4649117a71
sha256
c29d9cbbc8992e9752ec5d12a3fbec8f598534ea5ea5c1dae96365e873c0eec3
sha512
da9fde48c4e50dca9e96fea0b4e85cfcc388abfa1386bd315533201dc6969a7e2d2470c12509553a79b1be269ed4a6ddfeea45f93f32458d71d1f1ac36e88c24
ripemd-160
70503f0f6778a8221d2b7696c7c736afc8bdb723
Diameter
42587550
Circumference
133792734.21439
Area
1.424476189498E+15
Volume
4.044330062937E+22
Surface area
5.697904757992E+15
Circumference
133792734.21439
Perimeter
85175100
Area
453424853750625
Diagonal
30113945.399121
Surface area
2720549122503750
Volume
9.6551268151737E+21
Space diagonal
36881900.18494
Perimeter
63881325
Area
1.9633872102764E+14
Altitude
18440950.09247
Surface area
1.9633872102764E+14
Volume
1.1378676073709E+21
Height
10037981.799707