20687315 is an odd 8-digits composite number following 20687314
and preceding 20687316 . In scientific notation, it is written as 2.0687315 × 10^7.
The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors.
There are 15045280 positive integers (up to 20687315) that are relatively prime to 20687315.
20687315 has 8 divisors, whose sum is 27081648
The reverse of 20687315 is 51378602
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty million six hundred eighty-seven thousand three hundred fifteen
Scientific notation
2.0687315 × 10^7
Engineering notation
2.0687315 × 10^6
Prime Factorization
11 × 5 × 376133
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20687315
Product of the distinct prime numbers
The prime factorization of 20687315 is 11 × 5 × 376133.
Since it has a total of 3 prime factors.
2 , 8 , 96 , 81 , 832 , 198 , 1670 , 1156 , 25839 , 90681 , 799060 , 999094 , 7278309 , 1419615 , 24649716 , 376016 , 192490696 , 600730060 , 8209569549 , 7736331781
n×2
41374630
n×3
62061945
n×4
82749260
n×5
103436575
n÷2
10343657.5
n÷3
6895771.6666667
n÷3
5171828.75
n÷5
4137463
n2
427965001909225
n3
8.8534468034717E+21
n4
1.8315404285916E+29
n5
3.788965378151E+36
2 √n
4548.3310125803
3 √n
274.51624041414
4 √n
67.441315323623
5 √n
29.04964473214
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
-20687314
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 20687315 can be divided by 8 positive divisors.
The sum of these divisors (counting 20687315) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001110111010100111010011
3
Ternary
1102221000122212
4
Quaternary
1032322213103
5
Quinary
20243443230
6
Senary
2015222335
8
Octal
116724723
10
Decimal
20687315
12
Duodecimal
6b179ab
16
Hexadecimal
13ba9d3
20
Vigesimal
695i5f
36
Base36
cbefn
md5
c0b66976bb84c64be0040a5ac6abd97b
sha1
41a8fa9fbf945dbf6270f506c3629431b288235d
sha256
0676e3ae1e68678620e95d620ebbd366355e543cc548985122c02f5c18c37027
sha512
71ec3841d61d69b13ffaaa0a6645423499d64c2d80af30a1284b16b182bf6817fb13d6173c5eb08e622cf31f186e25fcc39cd42bcf159e8277fabec9eadc3040
ripemd-160
d78318bc950c65271e84218e83e0f3a3ed26157c
Diameter
41374630
Circumference
129982233.653
Area
1.3444917059916E+15
Volume
3.708523124898E+22
Surface area
5.3779668239663E+15
Circumference
129982233.653
Perimeter
82749260
Area
427965001909225
Diagonal
29256281.442084
Surface area
2567790011455350
Volume
8.8534468034717E+21
Space diagonal
35831480.652182
Perimeter
62061945
Area
1.8531428179202E+14
Altitude
17915740.326091
Surface area
1.8531428179202E+14
Volume
1.0433887119349E+21
Height
9752093.8140281