20787275 is an odd 8-digits composite number following 20787274
and preceding 20787276 . In scientific notation, it is written as 2.0787275 × 10^7.
The sum of its digits is 38. It has a total of 5 prime factors and 24 positive divisors.
There are 15926400 positive integers (up to 20787275) that are relatively prime to 20787275.
20787275 has 24 divisors, whose sum is 26892624
The reverse of 20787275 is 57278702
Previous prime number is 61
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty million seven hundred eighty-seven thousand two hundred seventy-five
Scientific notation
2.0787275 × 10^7
Engineering notation
2.0787275 × 10^6
Prime Factorization
5 × 5 × 43 × 61 × 317
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
4157455
Product of the distinct prime numbers
The prime factorization of 20787275 is 5 × 5 × 43 × 61 × 317.
Since it has a total of 5 prime factors.
1 , 10 , 54 , 79 , 172 , 151 , 7966 , 7371 , 46439 , 71345 , 529009 , 778001 , 5866399 , 1351203 , 96927738 , 78443628 , 779371615 , 45190687 , 8589290067 , 5182968473
n×2
41574550
n×3
62361825
n×4
83149100
n×5
103936375
n÷2
10393637.5
n÷3
6929091.6666667
n÷3
5196818.75
n÷5
4157455
n2
432110801925625
n3
8.9824060700985E+21
n4
1.8671974514081E+29
n5
3.8813946901719E+36
2 √n
4559.3064165507
3 √n
274.95767943791
4 √n
67.522636327017
5 √n
29.077663895541
1 , 5 , 25 , 43 , 61 , 215 , 305 , 317 , 1075 , 1525 , 1585 , 2623 , 7925 , 13115 , 13631 , 19337 , 65575 , 68155 , 96685 , 340775 , 483425 , 831491 , 4157455 , 20787275
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20787274
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20787275 can be divided by 24 positive divisors.
The sum of these divisors (counting 20787275) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001111010011000001001011
3
Ternary
1110010002210002
4
Quaternary
1033103001023
5
Quinary
20310143100
6
Senary
2021313215
8
Octal
117230113
10
Decimal
20787275
12
Duodecimal
6b6580b
16
Hexadecimal
13d304b
20
Vigesimal
69i83f
36
Base36
cdjkb
md5
fc927124a571dd07819a2d0b172ffc25
sha1
f8459b8959bcca6a981d55a0388938aa98fdf8c4
sha256
cbfe3820506ee2cd1fe67852211d156237f25886d770ff783c085a156810324d
sha512
44c204a94e3cc103d6e63ed3235601a3dc9cdd34c8a5d000b9d989f2908bfa47e0103e16286cbba576a1c00c1668ded1a2793a94138b5caa221eb5a539c85793
ripemd-160
1e1259b79442d79b1403c99b66f3252cbc406e85
Diameter
41574550
Circumference
130610300.8563
Area
1.3575161208663E+15
Volume
3.7625414561842E+22
Surface area
5.4300644834654E+15
Circumference
130610300.8563
Perimeter
83149100
Area
432110801925625
Diagonal
29397646.229779
Surface area
2592664811553750
Volume
8.9824060700985E+21
Space diagonal
36004616.450906
Perimeter
62361825
Area
1.8710946585863E+14
Altitude
18002308.225453
Surface area
1.8710946585863E+14
Volume
1.0585867072563E+21
Height
9799215.4099264