20792987 is an odd 8-digits prime number following 20792986
and preceding 20792988 . In scientific notation, it is written as 2.0792987 × 10^7.
The sum of its digits is 44. It has a total of 1 prime factors and 2 positive divisors.
There are 20792986 positive integers (up to 20792987) that are relatively prime to 20792987.
20792987 has 2 divisors, whose sum is 20792988
The reverse of 20792987 is 78929702
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8
Name
twenty million seven hundred ninety-two thousand nine hundred eighty-seven
Scientific notation
2.0792987 × 10^7
Engineering notation
2.0792987 × 10^6
Prime Factorization
20792987
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
20792987
Product of the distinct prime numbers
The prime factorization of 20792987 is 20792987.
Since it has a total of 1 prime factors.
10 , 1 , 10 , 31 , 59 , 149 , 3635 , 9534 , 48049 , 3026 , 490502 , 398544 , 5339066 , 3682470 , 33164276 , 29414300 , 910392927 , 197393790 , 8432613860 , 6723472448
n×2
41585974
n×3
62378961
n×4
83171948
n×5
103964935
n÷2
10396493.5
n÷3
6930995.6666667
n÷3
5198246.75
n÷5
4158597.4
n2
432348308382169
n3
8.9898127556624E+21
n4
1.8692505976092E+29
n5
3.8867303375831E+36
2 √n
4559.9327845923
3 √n
274.98286174187
4 √n
67.527274375561
5 √n
29.079261732328
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
20792988
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10396494
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4559.9328942431
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999038137
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20792987 can be divided by 2 positive divisors.
The sum of these divisors (counting 20792987) is 20792988, the average is 10396494.
Base
System
Value
2
Binary
1001111010100011010011011
3
Ternary
1110010101121122
4
Quaternary
1033110122123
5
Quinary
20310333422
6
Senary
2021355455
8
Octal
117243233
10
Decimal
20792987
12
Duodecimal
6b68b8b
16
Hexadecimal
13d469b
20
Vigesimal
69j297
36
Base36
cdnyz
md5
80c9d8891143bc4925a331a9c8e4eafa
sha1
176ea5110cbe768ea616545ddb5a391ad8d6c370
sha256
f3e709944d58183fd5f74f489106f5214a4f0e852c8a52df9a5db21d4f972b27
sha512
507418480d08795caa6e14611c86c94a23d7aa87ab2fd058fe3d34fcc48e9b080eac20956ae95a7ef812407735caab9663e9a61f371a8baba42bd433ff4a7f78
ripemd-160
5d82615c47d70b997cd6ebcd86e50eee3b28583d
Diameter
41585974
Circumference
130646190.41078
Area
1.3582622694054E+15
Volume
3.7656439613783E+22
Surface area
5.4330490776216E+15
Circumference
130646190.41078
Perimeter
83171948
Area
432348308382169
Diagonal
29405724.217647
Surface area
2594089850293014
Volume
8.9898127556624E+21
Space diagonal
36014509.925119
Perimeter
62378961
Area
1.8721230917109E+14
Altitude
18007254.96256
Surface area
1.8721230917109E+14
Volume
1.059459593521E+21
Height
9801908.0725492