21269969 is an odd 8-digits composite number following 21269968
and preceding 21269970 . In scientific notation, it is written as 2.1269969 × 10^7.
The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors.
There are 18231360 positive integers (up to 21269969) that are relatively prime to 21269969.
21269969 has 4 divisors, whose sum is 21704100
The reverse of 21269969 is 96996212
Previous prime number is 49
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8
Name
twenty-one million two hundred sixty-nine thousand nine hundred sixty-nine
Scientific notation
2.1269969 × 10^7
Engineering notation
2.1269969 × 10^6
Prime Factorization
49 × 434081
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21269969
Product of the distinct prime numbers
The prime factorization of 21269969 is 49 × 434081.
Since it has a total of 2 prime factors.
8 , 2 , 56 , 48 , 550 , 602 , 3342 , 2547 , 74495 , 17005 , 144024 , 850701 , 4082646 , 5541186 , 18668355 , 82489481 , 300425999 , 650093009 , 6708764231 , 4558302985
n×2
42539938
n×3
63809907
n×4
85079876
n×5
106349845
n÷2
10634984.5
n÷3
7089989.6666667
n÷3
5317492.25
n÷5
4253993.8
n2
452411581260961
n3
9.6227803086616E+21
n4
2.0467623885904E+29
n5
4.3534572555684E+36
2 √n
4611.937662198
3 √n
277.06964758505
4 √n
67.91124842173
5 √n
29.21146724186
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21269968
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21269969 can be divided by 4 positive divisors.
The sum of these divisors (counting 21269969) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010001001000110111010001
3
Ternary
1111000121220122
4
Quaternary
1101020313101
5
Quinary
20421114334
6
Senary
2035520025
8
Octal
121106721
10
Decimal
21269969
12
Duodecimal
7159015
16
Hexadecimal
1448dd1
20
Vigesimal
6ciei9
36
Base36
cnw0h
md5
7199e8a9393344fbecdd3d06e31f92db
sha1
375193870d5b89de4e4357b39c6840a1b8aeebcb
sha256
2c0f28d780758bc30032586ae3533699039fd86a28b1155d2b14b4cce2b611da
sha512
fc51998a0406de83383daa7e9d73b60f2ad73512dae3826d1c57aab4f8df4434bc8dac7ac2bab1862dd2bdb81ce9d223cf3699dd337ebd0f823d26d052225ff4
ripemd-160
a74558d742dcfde9d31cbaa8164bd983f8a2b04b
Diameter
42539938
Circumference
133643156.70497
Area
1.4212929000884E+15
Volume
4.0307807899733E+22
Surface area
5.6851716003535E+15
Circumference
133643156.70497
Perimeter
85079876
Area
452411581260961
Diagonal
30080278.631055
Surface area
2714469487565766
Volume
9.6227803086616E+21
Space diagonal
36840666.983415
Perimeter
63809907
Area
1.9589996116914E+14
Altitude
18420333.491707
Surface area
1.9589996116914E+14
Volume
1.1340555350205E+21
Height
10026759.543685