21161569 is an odd 8-digits composite number following 21161568
and preceding 21161570 . In scientific notation, it is written as 2.1161569 × 10^7.
The sum of its digits is 31. It has a total of 5 prime factors and 16 positive divisors.
There are 17743440 positive integers (up to 21161569) that are relatively prime to 21161569.
21161569 has 16 divisors, whose sum is 25087104
The reverse of 21161569 is 96516112
Previous prime number is 1223
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-one million one hundred sixty-one thousand five hundred sixty-nine
Scientific notation
2.1161569 × 10^7
Engineering notation
2.1161569 × 10^6
Prime Factorization
11 × 13 × 11 × 1223 × 11
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
174889
Product of the distinct prime numbers
The prime factorization of 21161569 is 11 × 13 × 11 × 1223 × 11.
Since it has a total of 5 prime factors.
5 , 7 , 63 , 7 , 202 , 621 , 2817 , 1592 , 81379 , 61473 , 335083 , 49495 , 5657241 , 30127 , 36447042 , 19973807 , 746747737 , 171551205 , 2722049003 , 1490986033
n×2
42323138
n×3
63484707
n×4
84646276
n×5
105807845
n÷2
10580784.5
n÷3
7053856.3333333
n÷3
5290392.25
n÷5
4232313.8
n2
447812002541761
n3
9.4764045908157E+21
n4
2.0053558962046E+29
n5
4.2436477167091E+36
2 √n
4600.170540317
3 √n
276.59816097125
4 √n
67.824557059497
5 √n
29.181631768291
1 , 11 , 13 , 121 , 143 , 1223 , 1331 , 1573 , 13453 , 15899 , 17303 , 147983 , 174889 , 1627813 , 1923779 , 21161569
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
-21161568
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 21161569 can be divided by 16 positive divisors.
The sum of these divisors (counting 21161569) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000101110011001100001
3
Ternary
1110211010012211
4
Quaternary
1100232121201
5
Quinary
20404132234
6
Senary
2033322121
8
Octal
120563141
10
Decimal
21161569
12
Duodecimal
7106341
16
Hexadecimal
142e661
20
Vigesimal
6c53i9
36
Base36
clkdd
md5
1a3d29b522fe43b3419a65278eb141e6
sha1
3e5a9e2262cf4bbad3ff2079e50fcecdc9ac11e9
sha256
681f3dc5518b35db71374e0ffe437f01f7920ec2801964c8748f5d16ad4f9b3e
sha512
f58a13c8e169ffc5cb2a50bdf817b858fce0ab89680cfafe79a2f15872bbc8c418febb84d7dff52aebd3b96c893ba5169e54ff3baeb62f3396fd9e9511c169e9
ripemd-160
44e2b76e2aa145a4a050cfbe1dae70b2051c1ef5
Diameter
42323138
Circumference
132962059.41767
Area
1.4068428973745E+15
Volume
3.9694670726601E+22
Surface area
5.6273715894981E+15
Circumference
132962059.41767
Perimeter
84646276
Area
447812002541761
Diagonal
29926977.880894
Surface area
2686872015250566
Volume
9.4764045908157E+21
Space diagonal
36652912.675875
Perimeter
63484707
Area
1.9390828516037E+14
Altitude
18326456.337937
Surface area
1.9390828516037E+14
Volume
1.1168049912388E+21
Height
9975659.2936314