20724861 is an odd 8-digits composite number following 20724860
and preceding 20724862 . In scientific notation, it is written as 2.0724861 × 10^7.
The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors.
There are 13816572 positive integers (up to 20724861) that are relatively prime to 20724861.
20724861 has 4 divisors, whose sum is 27633152
The reverse of 20724861 is 16842702
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million seven hundred twenty-four thousand eight hundred sixty-one
Scientific notation
2.0724861 × 10^7
Engineering notation
2.0724861 × 10^6
Prime Factorization
3 × 6908287
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20724861
Product of the distinct prime numbers
The prime factorization of 20724861 is 3 × 6908287.
Since it has a total of 2 prime factors.
2 , 5 , 90 , 21 , 376 , 60 , 2609 , 3373 , 14054 , 87437 , 550908 , 685222 , 8187053 , 5713645 , 21311955 , 7080299 , 79620612 , 421689319 , 4856067039 , 9149140806
n×2
41449722
n×3
62174583
n×4
82899444
n×5
103624305
n÷2
10362430.5
n÷3
6908287
n÷3
5181215.25
n÷5
4144972.2
n2
429519863469321
n3
8.9017394671407E+21
n4
1.844873131147E+29
n5
3.8234739205657E+36
2 √n
4552.4565895789
3 √n
274.68221583693
4 √n
67.471894812424
5 √n
29.060181691689
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20724860
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20724861 can be divided by 4 positive divisors.
The sum of these divisors (counting 20724861) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001111000011110001111101
3
Ternary
1102222221011110
4
Quaternary
1033003301331
5
Quinary
20301143421
6
Senary
2020112233
8
Octal
117036175
10
Decimal
20724861
12
Duodecimal
6b35679
16
Hexadecimal
13c3c7d
20
Vigesimal
69ac31
36
Base36
cc7el
md5
0c636f67b1db7877ac00b77e4968bf08
sha1
e4cee89e580560e55253c7c6f60f19e4c2d696eb
sha256
168cb8d1fb1914cbd0af529a721ab7e8189abce4d1ded26e7853bf564d5d92e4
sha512
e7614eef6935033c61c6ce3d878c7f3e58ea8881b1253002a812406e79d95623ae59bfd095f9bd47560c1c383c17f117aeb6a3ffff2a2771c5d6252272e20af3
ripemd-160
89d3f66044455b368554e51bd834cf05a3c3728a
Diameter
41449722
Circumference
130218142.12854
Area
1.3493764476461E+15
Volume
3.7287519085519E+22
Surface area
5.3975057905844E+15
Circumference
130218142.12854
Perimeter
82899444
Area
429519863469321
Diagonal
29309379.504497
Surface area
2577119180815926
Volume
8.9017394671407E+21
Space diagonal
35896512.231803
Perimeter
62174583
Area
1.8598755659723E+14
Altitude
17948256.115901
Surface area
1.8598755659723E+14
Volume
1.0490800569285E+21
Height
9769793.1681657