21356769 is an odd 8-digits composite number following 21356768
and preceding 21356770 . In scientific notation, it is written as 2.1356769 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 12147840 positive integers (up to 21356769) that are relatively prime to 21356769.
21356769 has 16 divisors, whose sum is 32693120
The reverse of 21356769 is 96765312
Previous prime number is 229
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty-one million three hundred fifty-six thousand seven hundred sixty-nine
Scientific notation
2.1356769 × 10^7
Engineering notation
2.1356769 × 10^6
Prime Factorization
3 × 7 × 229 × 4441
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21356769
Product of the distinct prime numbers
The prime factorization of 21356769 is 3 × 7 × 229 × 4441.
Since it has a total of 4 prime factors.
9 , 5 , 61 , 80 , 300 , 929 , 5661 , 4735 , 81463 , 63621 , 537962 , 129925 , 8465952 , 5034388 , 27912453 , 5069247 , 967308037 , 949474781 , 5613762709 , 6090334429
n×2
42713538
n×3
64070307
n×4
85427076
n×5
106783845
n÷2
10678384.5
n÷3
7118923
n÷3
5339192.25
n÷5
4271353.8
n2
456111582119361
n3
9.7410696975477E+21
n4
2.0803777534343E+29
n5
4.4430147112835E+36
2 √n
4621.3384424861
3 √n
277.44603122211
4 √n
67.980426907207
5 √n
29.235270065007
1 , 3 , 7 , 21 , 229 , 687 , 1603 , 4441 , 4809 , 13323 , 31087 , 93261 , 1016989 , 3050967 , 7118923 , 21356769
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
-21356768
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 21356769 can be divided by 16 positive divisors.
The sum of these divisors (counting 21356769) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001011110000011100001
3
Ternary
1111012000222110
4
Quaternary
1101132003201
5
Quinary
20431404034
6
Senary
2041425533
8
Octal
121360341
10
Decimal
21356769
12
Duodecimal
719b2a9
16
Hexadecimal
145e0e1
20
Vigesimal
6d9bi9
36
Base36
cpqzl
md5
26aaa59aa8423b5ca17088d86d4746ce
sha1
e93ab3d4fc5f98ebde50fa96d15134f9842d663b
sha256
ecbb17fa8a3cbe228295b7ceacdab24a927a4bb6ac250bdeee68474bf3e7fa7e
sha512
160e80af4ea719fda8312d5cef0d15ccc8d3f8dd0d5ac77d5837da382a85c1a3fff354cda41f08a086a7d3c00b1157c395f7152368fc39ed33abdf77e8134615
ripemd-160
b6e29aec99ae1d07a72d1f7ad3c8e506fbfdb1ea
Diameter
42713538
Circumference
134188537.18963
Area
1.4329167956034E+15
Volume
4.0803297333229E+22
Surface area
5.7316671824136E+15
Circumference
134188537.18963
Perimeter
85427076
Area
456111582119361
Diagonal
30203032.368269
Surface area
2736669492716166
Volume
9.7410696975477E+21
Space diagonal
36991008.993512
Perimeter
64070307
Area
1.9750210853784E+14
Altitude
18495504.496756
Surface area
1.9750210853784E+14
Volume
1.1479960731911E+21
Height
10067677.45609