20789977 is an odd 8-digits composite number following 20789976
and preceding 20789978 . In scientific notation, it is written as 2.0789977 × 10^7.
The sum of its digits is 49. It has a total of 2 prime factors and 4 positive divisors.
There are 19190736 positive integers (up to 20789977) that are relatively prime to 20789977.
20789977 has 4 divisors, whose sum is 22389220
The reverse of 20789977 is 77998702
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 49
Digital Root 4
Name
twenty million seven hundred eighty-nine thousand nine hundred seventy-seven
Scientific notation
2.0789977 × 10^7
Engineering notation
2.0789977 × 10^6
Prime Factorization
13 × 1599229
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20789977
Product of the distinct prime numbers
The prime factorization of 20789977 is 13 × 1599229.
Since it has a total of 2 prime factors.
7 , 10 , 10 , 37 , 781 , 21 , 5171 , 6119 , 42149 , 59417 , 50817 , 43801 , 7504253 , 3036712 , 76270685 , 72207765 , 56518489 , 68145032 , 9762577348 , 7938119227
n×2
41579954
n×3
62369931
n×4
83159908
n×5
103949885
n÷2
10394988.5
n÷3
6929992.3333333
n÷3
5197494.25
n÷5
4157995.4
n2
432223143660529
n3
8.9859092155701E+21
n4
1.8681684591579E+29
n5
3.8839179298018E+36
2 √n
4559.6027239223
3 √n
274.96959223011
4 √n
67.52483042498
5 √n
29.078419778774
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
-20789976
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 20789977 can be divided by 4 positive divisors.
The sum of these divisors (counting 20789977) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001111010011101011011001
3
Ternary
1110010020111011
4
Quaternary
1033103223121
5
Quinary
20310234402
6
Senary
2021333521
8
Octal
117235331
10
Decimal
20789977
12
Duodecimal
6b672a1
16
Hexadecimal
13d3ad9
20
Vigesimal
69ieih
36
Base36
cdlnd
md5
0d176b101c4777f1a87ab4757b438a33
sha1
6c9a0290031a6bcd34c78057511c9acb0fbf9dc2
sha256
0e3c2910fe3932ae8510d97211af5883be9171370464a48fc3dbc943e9f1eaf9
sha512
b3557d50b08d6403af8c3340d83a0c1de7053115911fadceada027bfe792c0b6af28ce52f5fbbd5d1d19382b471fde30a23c16c0eadb7160d76ab46a1afe188a
ripemd-160
8d6d3f9838a281ced6d7bf1e48781e5de2519377
Diameter
41579954
Circumference
130627278.023
Area
1.3578690528354E+15
Volume
3.764008850328E+22
Surface area
5.4314762113416E+15
Circumference
130627278.023
Perimeter
83159908
Area
432223143660529
Diagonal
29401467.434825
Surface area
2593338861963174
Volume
8.9859092155701E+21
Space diagonal
36009296.452188
Perimeter
62369931
Area
1.8715811125679E+14
Altitude
18004648.226094
Surface area
1.8715811125679E+14
Volume
1.0589995569094E+21
Height
9800489.1449416