20872761 is an odd 8-digits composite number following 20872760
and preceding 20872762 . In scientific notation, it is written as 2.0872761 × 10^7.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 10886400 positive integers (up to 20872761) that are relatively prime to 20872761.
20872761 has 16 divisors, whose sum is 31872384
The reverse of 20872761 is 16727802
Previous prime number is 1313
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty million eight hundred seventy-two thousand seven hundred sixty-one
Scientific notation
2.0872761 × 10^7
Engineering notation
2.0872761 × 10^6
Prime Factorization
3 × 7 × 1313 × 757
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20872761
Product of the distinct prime numbers
The prime factorization of 20872761 is 3 × 7 × 1313 × 757.
Since it has a total of 4 prime factors.
5 , 1 , 82 , 24 , 328 , 30 , 6767 , 2589 , 47026 , 55047 , 438541 , 981583 , 9514590 , 7851391 , 34343373 , 91226142 , 697248490 , 689638998 , 4954146378 , 8865406439
n×2
41745522
n×3
62618283
n×4
83491044
n×5
104363805
n÷2
10436380.5
n÷3
6957587
n÷3
5218190.25
n÷5
4174552.2
n2
435672151763121
n3
9.0936806981074E+21
n4
1.8981022382191E+29
n5
3.9618634371912E+36
2 √n
4568.6716887953
3 √n
275.33407773518
4 √n
67.59194988159
5 √n
29.101540563212
1 , 3 , 7 , 21 , 757 , 1313 , 2271 , 3939 , 5299 , 9191 , 15897 , 27573 , 993941 , 2981823 , 6957587 , 20872761
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
-20872760
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 20872761 can be divided by 16 positive divisors.
The sum of these divisors (counting 20872761) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001111100111111000111001
3
Ternary
1110021110001020
4
Quaternary
1033213320321
5
Quinary
20320412021
6
Senary
2023213053
8
Octal
117477071
10
Decimal
20872761
12
Duodecimal
6ba7189
16
Hexadecimal
13e7e39
20
Vigesimal
6a91i1
36
Base36
cfdix
md5
23ead3b703b90f8aa5283faf4b1c5fef
sha1
cc6beffc9e3975c5b155a74955315b774243f2df
sha256
80cebd9253b53c7aef42b898d95541a0c4a8f4b6ecca8dc20f8f14bbcc65c6f6
sha512
935d9d89eedd5cc39d6e6709e90f06ac8bd64f32118a7f17e0cadd59e92b361236dfda1557e77b3f570bde8aaf50bc0491e41ba5d5a0507e278098b271538c2d
ripemd-160
95255657581d72d481856620786d1a4f261ef92d
Diameter
41745522
Circumference
131147425.23547
Area
1.3687044313527E+15
Volume
3.8091520633687E+22
Surface area
5.4748177254107E+15
Circumference
131147425.23547
Perimeter
83491044
Area
435672151763121
Diagonal
29518541.690372
Surface area
2614032910578726
Volume
9.0936806981074E+21
Space diagonal
36152682.546242
Perimeter
62618283
Area
1.8865157557415E+14
Altitude
18076341.273121
Surface area
1.8865157557415E+14
Volume
1.0717005479295E+21
Height
9839513.8967907