20687007 is an odd 8-digits composite number following 20687006
and preceding 20687008 . In scientific notation, it is written as 2.0687007 × 10^7.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 12537360 positive integers (up to 20687007) that are relatively prime to 20687007.
20687007 has 8 divisors, whose sum is 27811120
The reverse of 20687007 is 70078602
Previous prime number is 121
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million six hundred eighty-seven thousand seven
Scientific notation
2.0687007 × 10^7
Engineering notation
2.0687007 × 10^6
Prime Factorization
3 × 121 × 56989
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20687007
Product of the distinct prime numbers
The prime factorization of 20687007 is 3 × 121 × 56989.
Since it has a total of 3 prime factors.
1 , 6 , 2 , 4 , 176 , 592 , 4979 , 5234 , 27707 , 99873 , 287958 , 784341 , 3685340 , 7647410 , 40482190 , 91186183 , 120193819 , 696138907 , 5872654027 , 6240521989
n×2
41374014
n×3
62061021
n×4
82748028
n×5
103435035
n÷2
10343503.5
n÷3
6895669
n÷3
5171751.75
n÷5
4137401.4
n2
427952258618049
n3
8.8530513696974E+21
n4
1.8314313565629E+29
n5
3.7886833293236E+36
2 √n
4548.2971538808
3 √n
274.5148780427
4 √n
67.441064299733
5 √n
29.049558231365
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
-20687006
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 20687007 can be divided by 8 positive divisors.
The sum of these divisors (counting 20687007) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001110111010100010011111
3
Ternary
1102221000020110
4
Quaternary
1032322202133
5
Quinary
20243441012
6
Senary
2015221103
8
Octal
116724237
10
Decimal
20687007
12
Duodecimal
6b17793
16
Hexadecimal
13ba89f
20
Vigesimal
695ha7
36
Base36
cbe73
md5
afcfe07cbb1aa6ad461e163ca002fd11
sha1
7fe9931161582d5af06ff053b20b92e65f008b19
sha256
42d3dbdde677215d386fc654b9d6a0988e86bd6e82c1ec3c24c6b8c7601c3f4b
sha512
13463e3d20a2c2629234e92c331d9f1f7de7a446e556c49ec81b356ed179c924ab2bc6cd24cc6fc8fd1b30ae68b5520908445c2adba400543e55cd46a44ee2e4
ripemd-160
e6d88b89fde7a7dc4c17b57d8c58e1ab8165c351
Diameter
41374014
Circumference
129980298.43192
Area
1.3444516717616E+15
Volume
3.7083574859859E+22
Surface area
5.3778066870465E+15
Circumference
129980298.43192
Perimeter
82748028
Area
427952258618049
Diagonal
29255845.864307
Surface area
2567713551708294
Volume
8.8530513696974E+21
Space diagonal
35830947.180533
Perimeter
62061021
Area
1.8530876378508E+14
Altitude
17915473.590267
Surface area
1.8530876378508E+14
Volume
1.0433421096176E+21
Height
9751948.6214357