20872765 is an odd 8-digits composite number following 20872764
and preceding 20872766 . In scientific notation, it is written as 2.0872765 × 10^7.
The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors.
There are 16070400 positive integers (up to 20872765) that are relatively prime to 20872765.
20872765 has 16 divisors, whose sum is 25998336
The reverse of 20872765 is 56727802
Previous prime number is 433
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty million eight hundred seventy-two thousand seven hundred sixty-five
Scientific notation
2.0872765 × 10^7
Engineering notation
2.0872765 × 10^6
Prime Factorization
5 × 31 × 433 × 311
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20872765
Product of the distinct prime numbers
The prime factorization of 20872765 is 5 × 31 × 433 × 311.
Since it has a total of 4 prime factors.
3 , 9 , 62 , 83 , 422 , 588 , 6538 , 3316 , 74212 , 85568 , 110146 , 622152 , 7299883 , 461608 , 98653729 , 32710650 , 582828930 , 699576287 , 7167991928 , 9742250613
n×2
41745530
n×3
62618295
n×4
83491060
n×5
104363825
n÷2
10436382.5
n÷3
6957588.3333333
n÷3
5218191.25
n÷5
4174553
n2
435672318745225
n3
9.0936859261742E+21
n4
1.8981036932084E+29
n5
3.9618672333971E+36
2 √n
4568.6721265593
3 √n
275.33409532328
4 √n
67.591953119875
5 √n
29.101541678601
1 , 5 , 31 , 155 , 311 , 433 , 1555 , 2165 , 9641 , 13423 , 48205 , 67115 , 134663 , 673315 , 4174553 , 20872765
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20872764
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20872765 can be divided by 16 positive divisors.
The sum of these divisors (counting 20872765) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001111100111111000111101
3
Ternary
1110021110001101
4
Quaternary
1033213320331
5
Quinary
20320412030
6
Senary
2023213101
8
Octal
117477075
10
Decimal
20872765
12
Duodecimal
6ba7191
16
Hexadecimal
13e7e3d
20
Vigesimal
6a91i5
36
Base36
cfdj1
md5
a95e0b3197ca221f80b7dd4174ba26cc
sha1
4c9768b7804076c3ff9e0fe685809a5f0c7a4bec
sha256
830acfd74d424172327f459ac557d4ee3eaa5bf217b97505c1d90684e0edf9df
sha512
fa305316fe8559ba4694be25b9f616cee42bb6462e4312d73498bdb6734341f5edc23875392a3fb57ca1a3717537e2ef87cb37e6609c1dcb30acff9ed4391c8d
ripemd-160
d477d23c92e73b84bd944b8a12e9d67d03f4685f
Diameter
41745530
Circumference
131147450.36821
Area
1.3687049559424E+15
Volume
3.8091542532962E+22
Surface area
5.4748198237697E+15
Circumference
131147450.36821
Perimeter
83491060
Area
435672318745225
Diagonal
29518547.347226
Surface area
2614033912471350
Volume
9.0936859261742E+21
Space diagonal
36152689.474445
Perimeter
62618295
Area
1.8865164787952E+14
Altitude
18076344.737223
Surface area
1.8865164787952E+14
Volume
1.0717011640631E+21
Height
9839515.7824088