20889969 is an odd 8-digits composite number following 20889968
and preceding 20889970 . In scientific notation, it is written as 2.0889969 × 10^7.
The sum of its digits is 51. It has a total of 3 prime factors and 8 positive divisors.
There are 13889520 positive integers (up to 20889969) that are relatively prime to 20889969.
20889969 has 8 divisors, whose sum is 27927552
The reverse of 20889969 is 96998802
Previous prime number is 383
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 51
Digital Root 6
Name
twenty million eight hundred eighty-nine thousand nine hundred sixty-nine
Scientific notation
2.0889969 × 10^7
Engineering notation
2.0889969 × 10^6
Prime Factorization
3 × 383 × 18181
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20889969
Product of the distinct prime numbers
The prime factorization of 20889969 is 3 × 383 × 18181.
Since it has a total of 3 prime factors.
3 , 5 , 9 , 2 , 596 , 600 , 7213 , 1125 , 55422 , 11011 , 666328 , 465418 , 6787850 , 2693317 , 14437418 , 59832187 , 665857107 , 553693319 , 5430328761 , 8402239526
n×2
41779938
n×3
62669907
n×4
83559876
n×5
104449845
n÷2
10444984.5
n÷3
6963323
n÷3
5222492.25
n÷5
4177993.8
n2
436390804820961
n3
9.1161903845949E+21
n4
1.9043693453229E+29
n5
3.9782216588345E+36
2 √n
4570.5545615385
3 √n
275.40972093638
4 √n
67.605876679017
5 √n
29.106337381898
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20889968
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20889969 can be divided by 8 positive divisors.
The sum of these divisors (counting 20889969) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001111101100000101110001
3
Ternary
1110022022122120
4
Quaternary
1033230011301
5
Quinary
20321434334
6
Senary
2023424453
8
Octal
117540561
10
Decimal
20889969
12
Duodecimal
6bb5129
16
Hexadecimal
13ec171
20
Vigesimal
6ab4i9
36
Base36
cfqsx
md5
dae8af525e27ce2a9893ad4096f36ae9
sha1
9cd1961238581cf723fd7d7d93c1b8b60a9489c1
sha256
8d84010983d9a7f11243b06b5af5f6058a4d4a5f79664cae76e700bdadf10b89
sha512
ef1e54de423910f0aa61a75e1fde695a538bc57b8ae728eee41f98ee8e36d8e12d4569c41154076cf0201fde53e7ec7f28fa7d4ff611558602a3f52e7c3e0bdf
ripemd-160
0735d070d18deee89b187b7e66381a3fd6b8fcb3
Diameter
41779938
Circumference
131255546.28824
Area
1.3709621465197E+15
Volume
3.8185808987959E+22
Surface area
5.4838485860787E+15
Circumference
131255546.28824
Perimeter
83559876
Area
436390804820961
Diagonal
29542877.477354
Surface area
2618344828925766
Volume
9.1161903845949E+21
Space diagonal
36182487.676539
Perimeter
62669907
Area
1.8896276147644E+14
Altitude
18091243.838269
Surface area
1.8896276147644E+14
Volume
1.0743533399224E+21
Height
9847625.8257845