20787793 is an odd 8-digits composite number following 20787792
and preceding 20787794 . In scientific notation, it is written as 2.0787793 × 10^7.
The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors.
There are 19126800 positive integers (up to 20787793) that are relatively prime to 20787793.
20787793 has 8 divisors, whose sum is 22459136
The reverse of 20787793 is 39778702
Previous prime number is 331
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7
Name
twenty million seven hundred eighty-seven thousand seven hundred ninety-three
Scientific notation
2.0787793 × 10^7
Engineering notation
2.0787793 × 10^6
Prime Factorization
13 × 331 × 4831
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20787793
Product of the distinct prime numbers
The prime factorization of 20787793 is 13 × 331 × 4831.
Since it has a total of 3 prime factors.
10 , 8 , 7 , 62 , 367 , 5 , 1218 , 5077 , 78094 , 23112 , 557661 , 677541 , 8699217 , 5086616 , 81190820 , 74907292 , 902017663 , 403444389 , 6857606551 , 2635557927
n×2
41575586
n×3
62363379
n×4
83151172
n×5
103938965
n÷2
10393896.5
n÷3
6929264.3333333
n÷3
5196948.25
n÷5
4157558.6
n2
432132337810849
n3
8.983077587018E+21
n4
1.8673835738187E+29
n5
3.8818783184143E+36
2 √n
4559.3632230828
3 √n
274.95996331743
4 √n
67.523056973769
5 √n
29.077808811888
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
-20787792
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 20787793 can be divided by 8 positive divisors.
The sum of these divisors (counting 20787793) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001111010011001001010001
3
Ternary
1110010010111021
4
Quaternary
1033103021101
5
Quinary
20310202133
6
Senary
2021315441
8
Octal
117231121
10
Decimal
20787793
12
Duodecimal
6b65b81
16
Hexadecimal
13d3251
20
Vigesimal
69i99d
36
Base36
cdjyp
md5
9ecc32078bd40e75d4bad1cfea806896
sha1
822b51ff044217126e0183b1e72462efb8819b53
sha256
36c53e46396e9b52fedb86d7c6f1eaea8755b785a40819eda30f093f80472251
sha512
45e671acb5f4fd9ecd6bb935edbe2d76b78f56111e46ff10857042a4631ab6807e0217476585d2a3807c0ae7df8f43c1f5898729e0ba56b113380428dc5b53eb
ripemd-160
33c7b10247a81f775385d0e0c58b4251dd25e1ea
Diameter
41575586
Circumference
130613555.54629
Area
1.3575837778451E+15
Volume
3.7628227405337E+22
Surface area
5.4303351113806E+15
Circumference
130613555.54629
Perimeter
83151172
Area
432132337810849
Diagonal
29398378.792404
Surface area
2592794026865094
Volume
8.983077587018E+21
Space diagonal
36005513.653225
Perimeter
62363379
Area
1.8711879117048E+14
Altitude
18002756.826612
Surface area
1.8711879117048E+14
Volume
1.0586658462842E+21
Height
9799459.5974682