20787468 is an even 8-digits composite number following 20787467
and preceding 20787469 . In scientific notation, it is written as 2.0787468 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 12 positive divisors.
There are 6396096 positive integers (up to 20787468) that are relatively prime to 20787468.
20787468 has 12 divisors, whose sum is 37311120
The reverse of 20787468 is 86478702
Previous prime number is 39
Is Prime? no
Number parity even
Number length 8
Sum of Digits 42
Digital Root 6
Name
twenty million seven hundred eighty-seven thousand four hundred sixty-eight
Scientific notation
2.0787468 × 10^7
Engineering notation
2.0787468 × 10^6
Prime Factorization
2 × 2 × 39 × 133253
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10393734
Product of the distinct prime numbers
The prime factorization of 20787468 is 2 × 2 × 39 × 133253.
Since it has a total of 4 prime factors.
5 , 1 , 75 , 73 , 791 , 445 , 4470 , 7891 , 18935 , 80766 , 779341 , 546830 , 2806853 , 3072557 , 98244419 , 19198636 , 671671426 , 555573038 , 3652595165 , 6462062575
n×2
41574936
n×3
62362404
n×4
83149872
n×5
103937340
n÷2
10393734
n÷3
6929156
n÷3
5196867
n÷5
4157493.6
n2
432118825851024
n3
8.9826562645757E+21
n4
1.8672667965487E+29
n5
3.8815748780718E+36
2 √n
4559.3275820015
3 √n
274.95853038587
4 √n
67.522793055394
5 √n
29.077717889807
1 , 2 , 4 , 39 , 78 , 156 , 133253 , 266506 , 533012 , 5196867 , 10393734 , 20787468
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
-20787467
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 20787468 can be divided by 12 positive divisors.
The sum of these divisors (counting 20787468) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001111010011000100001100
3
Ternary
1110010010001020
4
Quaternary
1033103010030
5
Quinary
20310144333
6
Senary
2021314140
8
Octal
117230414
10
Decimal
20787468
12
Duodecimal
6b65950
16
Hexadecimal
13d310c
20
Vigesimal
69i8d8
36
Base36
cdjpo
md5
e2ce39541ed4940df3ba6732ed7d66d5
sha1
0257fe8cd65df2df78249a0e7e673d9213d3f0ab
sha256
866c7152138186147ad977900251d14dbb4d259b7055f9cb5868af4e871f0eae
sha512
46f9db3c57c927be7704ce81cd4fbcc0f60cdc2512678cb874069e4ce065a6b44218ea5d36601e101c7b3a24ab1c715d21371b4a0341a33a361f3eb02f63197b
ripemd-160
ef2a273d1f3436df5e237b4e16ca87a8c5130e23
Diameter
41574936
Circumference
130611513.51107
Area
1.3575413287714E+15
Volume
3.7626462574018E+22
Surface area
5.4301653150857E+15
Circumference
130611513.51107
Perimeter
83149872
Area
432118825851024
Diagonal
29397919.172997
Surface area
2592712955106144
Volume
8.9826562645757E+21
Space diagonal
36004950.736712
Perimeter
62362404
Area
1.8711294032025E+14
Altitude
18002475.368356
Surface area
1.8711294032025E+14
Volume
1.0586161929582E+21
Height
9799306.3909989