21105469 is an odd 8-digits composite number following 21105468
and preceding 21105470 . In scientific notation, it is written as 2.1105469 × 10^7.
The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors.
There are 16196400 positive integers (up to 21105469) that are relatively prime to 21105469.
21105469 has 16 divisors, whose sum is 26712576
The reverse of 21105469 is 96450112
Previous prime number is 4091
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty-one million one hundred five thousand four hundred sixty-nine
Scientific notation
2.1105469 × 10^7
Engineering notation
2.1105469 × 10^6
Prime Factorization
7 × 11 × 4091 × 67
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21105469
Product of the distinct prime numbers
The prime factorization of 21105469 is 7 × 11 × 4091 × 67.
Since it has a total of 4 prime factors.
2 , 8 , 28 , 3 , 586 , 151 , 5481 , 4610 , 41950 , 56760 , 392661 , 423775 , 6510645 , 1656285 , 38675851 , 28854168 , 175112276 , 59937746 , 5229296399 , 4505067539
n×2
42210938
n×3
63316407
n×4
84421876
n×5
105527345
n÷2
10552734.5
n÷3
7035156.3333333
n÷3
5276367.25
n÷5
4221093.8
n2
445440821709961
n3
9.4012374539341E+21
n4
1.9841752564565E+29
n5
4.1876949365709E+36
2 √n
4594.0688936933
3 √n
276.35352112087
4 √n
67.77956103202
5 √n
29.166143046265
1 , 7 , 11 , 67 , 77 , 469 , 737 , 4091 , 5159 , 28637 , 45001 , 274097 , 315007 , 1918679 , 3015067 , 21105469
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
-21105468
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 21105469 can be divided by 16 positive divisors.
The sum of these divisors (counting 21105469) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000100000101100111101
3
Ternary
1110201021021001
4
Quaternary
1100200230331
5
Quinary
20400333334
6
Senary
2032210301
8
Octal
120405475
10
Decimal
21105469
12
Duodecimal
7099991
16
Hexadecimal
1420b3d
20
Vigesimal
6bi3d9
36
Base36
ckd31
md5
324b52bdd863c7946a958df475711d78
sha1
16dbbe58a079c09e11c0541841babe04e3ee66f0
sha256
e6c8bff8b1410e47089156bfd9d92459c100af931370db4ab398230b65bcc69a
sha512
0ef88753734fecba1daa2708d25329556bee4af1064aed116c81e70fc9cb7f4cdf4c8d69e46917f0940434e5e7352848f2fc3f602aea751fc7b9c0edaf952fb3
ripemd-160
14928807e8c24a77ab8d3e68140f4b540bfb16f9
Diameter
42210938
Circumference
132609572.72193
Area
1.399393613093E+15
Volume
3.937981135991E+22
Surface area
5.5975744523721E+15
Circumference
132609572.72193
Perimeter
84421876
Area
445440821709961
Diagonal
29847640.500045
Surface area
2672644930259766
Volume
9.4012374539341E+21
Space diagonal
36555744.62557
Perimeter
63316407
Area
1.9288153374172E+14
Altitude
18277872.312785
Surface area
1.9288153374172E+14
Volume
1.1079464592036E+21
Height
9949213.500015