20783889 is an odd 8-digits composite number following 20783888
and preceding 20783890 . In scientific notation, it is written as 2.0783889 × 10^7.
The sum of its digits is 45. It has a total of 4 prime factors and 12 positive divisors.
There are 11876256 positive integers (up to 20783889) that are relatively prime to 20783889.
20783889 has 12 divisors, whose sum is 30634500
The reverse of 20783889 is 98838702
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
twenty million seven hundred eighty-three thousand eight hundred eighty-nine
Scientific notation
2.0783889 × 10^7
Engineering notation
2.0783889 × 10^6
Prime Factorization
3 × 49 × 3 × 47129
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
6927963
Product of the distinct prime numbers
The prime factorization of 20783889 is 3 × 49 × 3 × 47129.
Since it has a total of 4 prime factors.
8 , 8 , 5 , 92 , 761 , 630 , 2092 , 7456 , 5297 , 1650 , 920765 , 112294 , 3928111 , 6922968 , 59724086 , 42212781 , 464117759 , 167592113 , 9916999604 , 1271778090
n×2
41567778
n×3
62351667
n×4
83135556
n×5
103919445
n÷2
10391944.5
n÷3
6927963
n÷3
5195972.25
n÷5
4156777.8
n2
431970041964321
n3
8.9780174035118E+21
n4
1.8659811715466E+29
n5
3.8782345545514E+36
2 √n
4558.9350730187
3 √n
274.94274951472
4 √n
67.519886500339
5 √n
29.076716552654
1 , 3 , 9 , 49 , 147 , 441 , 47129 , 141387 , 424161 , 2309321 , 6927963 , 20783889
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20783888
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20783889 can be divided by 12 positive divisors.
The sum of these divisors (counting 20783889) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001111010010001100010001
3
Ternary
1110002221010200
4
Quaternary
1033102030101
5
Quinary
20310041024
6
Senary
2021245413
8
Octal
117221421
10
Decimal
20783889
12
Duodecimal
6b63869
16
Hexadecimal
13d2311
20
Vigesimal
69hje9
36
Base36
cdgy9
md5
f55a4e294756c86717ac273f8054bd80
sha1
9337a5594787f7412a004d6f20841a8f133265c3
sha256
141d9c49a6c174aeb3ec1e756219d73f3727e146fad232dc532ada7172e3f481
sha512
b8c9dcde77db980f395cb3c96e1cdc6cbb38cbaab817133b77d27ab4f917eaa19d750e06f416437154081b10a51f28aca19ebb8d0bbbc8ece4a97f72c0f2846a
ripemd-160
cb40674a195d85cc8034f77f0aecea89635d58db
Diameter
41567778
Circumference
130589025.99085
Area
1.357073910406E+15
Volume
3.7607031358232E+22
Surface area
5.4282956416239E+15
Circumference
130589025.99085
Perimeter
83135556
Area
431970041964321
Diagonal
29392857.702657
Surface area
2591820251785926
Volume
8.9780174035118E+21
Space diagonal
35998751.726872
Perimeter
62351667
Area
1.8704851500747E+14
Altitude
17999375.863436
Surface area
1.8704851500747E+14
Volume
1.058069497939E+21
Height
9797619.234219