20987410 is an even 8-digits composite number following 20987409
and preceding 20987411 . In scientific notation, it is written as 2.0987410 × 10^7.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 8394960 positive integers (up to 20987410) that are relatively prime to 20987410.
20987410 has 8 divisors, whose sum is 37777356
The reverse of 20987410 is 01478902
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million nine hundred eighty-seven thousand four hundred ten
Scientific notation
2.0987410 × 10^7
Engineering notation
2.0987410 × 10^6
Prime Factorization
2 × 5 × 2098741
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20987410
Product of the distinct prime numbers
The prime factorization of 20987410 is 2 × 5 × 2098741.
Since it has a total of 3 prime factors.
7 , 3 , 24 , 35 , 174 , 924 , 412 , 1155 , 63524 , 37058 , 740450 , 858336 , 7085175 , 576393 , 61556838 , 88186331 , 575607699 , 794492826 , 2626278244 , 806887972
n×2
41974820
n×3
62962230
n×4
83949640
n×5
104937050
n÷2
10493705
n÷3
6995803.3333333
n÷3
5246852.5
n÷5
4197482
n2
440471378508100
n3
9.2443534140147E+21
n4
1.9401503528483E+29
n5
4.0718730916871E+36
2 √n
4581.2018073864
3 √n
275.83727192517
4 √n
67.684575845508
5 √n
29.133440090444
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20987409
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20987410 can be divided by 8 positive divisors.
The sum of these divisors (counting 20987410) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000000011111000010010
3
Ternary
1110111021022111
4
Quaternary
1100003320102
5
Quinary
20333044120
6
Senary
2025455534
8
Octal
120037022
10
Decimal
20987410
12
Duodecimal
70415aa
16
Hexadecimal
1403e12
20
Vigesimal
6b38aa
36
Base36
chtzm
md5
e49babc6cd7c49d1737eb34a1b5834b8
sha1
c9604de0ed67e0b15b4e78d5d10ab9ac4b372ad4
sha256
1841cea50f06483f3480f4fcc5e97bc5995bd51707ad05c0adea9e26ff9890fa
sha512
c807a0bd15609fee9c0ae2a4d7b02bcbaad1ccccc646e7416ff84d5229f34bb1d2df6c27d6dcf4a4c715c457e52c1c4d5a494568b27d1012c782e130153d951d
ripemd-160
2f95e5320a6ca5c2dd149d1ed3b0c15ea6999b25
Diameter
41974820
Circumference
131867786.14775
Area
1.3837816468376E+15
Volume
3.8722657030208E+22
Surface area
5.5351265873505E+15
Circumference
131867786.14775
Perimeter
83949640
Area
440471378508100
Diagonal
29680679.861085
Surface area
2642828271048600
Volume
9.2443534140147E+21
Space diagonal
36351260.439279
Perimeter
62962230
Area
1.9072970171398E+14
Altitude
18175630.21964
Surface area
1.9072970171398E+14
Volume
1.0894574977891E+21
Height
9893559.9536949