20794987 is an odd 8-digits composite number following 20794986
and preceding 20794988 . In scientific notation, it is written as 2.0794987 × 10^7.
The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors.
There are 19700496 positive integers (up to 20794987) that are relatively prime to 20794987.
20794987 has 4 divisors, whose sum is 21889480
The reverse of 20794987 is 78949702
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 46
Digital Root 1
Name
twenty million seven hundred ninety-four thousand nine hundred eighty-seven
Scientific notation
2.0794987 × 10^7
Engineering notation
2.0794987 × 10^6
Prime Factorization
19 × 1094473
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20794987
Product of the distinct prime numbers
The prime factorization of 20794987 is 19 × 1094473.
Since it has a total of 2 prime factors.
9 , 3 , 96 , 58 , 392 , 761 , 7439 , 2246 , 75815 , 67789 , 641599 , 574701 , 2061584 , 7066176 , 56331968 , 30606086 , 270009722 , 411528311 , 9537185205 , 3163310176
n×2
41589974
n×3
62384961
n×4
83179948
n×5
103974935
n÷2
10397493.5
n÷3
6931662.3333333
n÷3
5198746.75
n÷5
4158997.4
n2
432431484330169
n3
8.9924070950366E+21
n4
1.8699698863999E+29
n5
3.8885999478078E+36
2 √n
4560.1520807973
3 √n
274.99167798508
4 √n
67.528898116268
5 √n
29.079821115989
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
-20794986
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 20794987 can be divided by 4 positive divisors.
The sum of these divisors (counting 20794987) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001111010100111001101011
3
Ternary
1110010111100201
4
Quaternary
1033110321223
5
Quinary
20310414422
6
Senary
2021413031
8
Octal
117247153
10
Decimal
20794987
12
Duodecimal
6b6a177
16
Hexadecimal
13d4e6b
20
Vigesimal
69j797
36
Base36
cdpij
md5
f16ca90fdf20820a16c825aec0a5cd2e
sha1
a82236249a8c1eef347315028457415d39e70fb6
sha256
a2b5571420a8d8a40201f806be6d7b4420409a752b2783bb96bfe9cb3f198ee7
sha512
eba3e4ccf9dce8fc639395f50da7bf4c54415de1d7226f9452f96e931b7313375624c9f7d74819c47190356538b92045b8fc2de2ce827cbdfd57b08ad77cb6a7
ripemd-160
ce8ae398de74c2d799a819fab95087ff58a43b2d
Diameter
41589974
Circumference
130658756.78139
Area
1.3585235743526E+15
Volume
3.7667306757141E+22
Surface area
5.4340942974104E+15
Circumference
130658756.78139
Perimeter
83179948
Area
432431484330169
Diagonal
29408552.644772
Surface area
2594588905981014
Volume
8.9924070950366E+21
Space diagonal
36017974.026734
Perimeter
62384961
Area
1.8724832541307E+14
Altitude
18008987.013367
Surface area
1.8724832541307E+14
Volume
1.0597653393484E+21
Height
9802850.8815907