21894369 is an odd 8-digits composite number following 21894368
and preceding 21894370 . In scientific notation, it is written as 2.1894369 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 11971200 positive integers (up to 21894369) that are relatively prime to 21894369.
21894369 has 16 divisors, whose sum is 25837056
The reverse of 21894369 is 96349812
Previous prime number is 41
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
twenty-one million eight hundred ninety-four thousand three hundred sixty-nine
Scientific notation
2.1894369 × 10^7
Engineering notation
2.1894369 × 10^6
Prime Factorization
177 × 7 × 41 × 431
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21894369
Product of the distinct prime numbers
The prime factorization of 21894369 is 177 × 7 × 41 × 431.
Since it has a total of 4 prime factors.
4 , 7 , 66 , 82 , 101 , 451 , 3852 , 8668 , 19313 , 89115 , 643634 , 532909 , 6976735 , 7424300 , 8087713 , 1549045 , 555131161 , 937709620 , 7734916830 , 5850181793
n×2
43788738
n×3
65683107
n×4
87577476
n×5
109471845
n÷2
10947184.5
n÷3
7298123
n÷3
5473592.25
n÷5
4378873.8
n2
479363393908161
n3
1.0495359031318E+22
n4
2.2978926341915E+29
n5
5.0310909255371E+36
2 √n
4679.1419085127
3 √n
279.75475549772
4 √n
68.40425358494
5 √n
29.380994146167
1 , 7 , 41 , 177 , 287 , 431 , 1239 , 3017 , 7257 , 17671 , 50799 , 76287 , 123697 , 534009 , 3127767 , 21894369
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
-21894368
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 21894369 can be divided by 16 positive divisors.
The sum of these divisors (counting 21894369) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010011100001010011100001
3
Ternary
1112012100102120
4
Quaternary
1103201103201
5
Quinary
21101104434
6
Senary
2101134453
8
Octal
123412341
10
Decimal
21894369
12
Duodecimal
73ba429
16
Hexadecimal
14e14e1
20
Vigesimal
6ggfi9
36
Base36
d19sx
md5
929c4f90d033420081057310b6cbfa85
sha1
c44b1dd77fffe0dafad0b3969dc4292dfde5fa21
sha256
434403d2356a86c345ae8b1a094ebee0aed6839f3538335c0d58e43df89ff316
sha512
a95a0bb50022f6ffa447305bb7616c008cca23277640fe08ec66a4c270b548161bb5ba9906fe68acf1c687ec3ec505ffb42630c0a09d908fc0147ee911be2885
ripemd-160
88a4668697a09cd3b63804629b280e1d4de263a0
Diameter
43788738
Circumference
137566377.61077
Area
1.5059645167017E+15
Volume
4.39628571061E+22
Surface area
6.023858066807E+15
Circumference
137566377.61077
Perimeter
87577476
Area
479363393908161
Diagonal
30963313.579401
Surface area
2876180363448966
Volume
1.0495359031318E+22
Space diagonal
37922159.507661
Perimeter
65683107
Area
2.075704383844E+14
Altitude
18961079.75383
Surface area
2.075704383844E+14
Volume
1.236889923672E+21
Height
10321104.526467