20687046 is an even 8-digits composite number following 20687045
and preceding 20687047 . In scientific notation, it is written as 2.0687046 × 10^7.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 6885000 positive integers (up to 20687046) that are relatively prime to 20687046.
20687046 has 16 divisors, whose sum is 41438208
The reverse of 20687046 is 64078602
Previous prime number is 751
Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty million six hundred eighty-seven thousand forty-six
Scientific notation
2.0687046 × 10^7
Engineering notation
2.0687046 × 10^6
Prime Factorization
2 × 3 × 751 × 4591
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20687046
Product of the distinct prime numbers
The prime factorization of 20687046 is 2 × 3 × 751 × 4591.
Since it has a total of 4 prime factors.
4 , 4 , 34 , 76 , 43 , 6 , 5776 , 6363 , 660 , 82967 , 64795 , 610921 , 1062079 , 2096504 , 97121765 , 80884417 , 286910182 , 588582741 , 9047899871 , 5231747225
n×2
41374092
n×3
62061138
n×4
82748184
n×5
103435230
n÷2
10343523
n÷3
6895682
n÷3
5171761.5
n÷5
4137409.2
n2
427953872206116
n3
8.853101440206E+21
n4
1.8314451673621E+29
n5
3.7887190423697E+36
2 √n
4548.3014411976
3 √n
274.51505055152
4 √n
67.441096085381
5 √n
29.049569184443
1 , 2 , 3 , 6 , 751 , 1502 , 2253 , 4506 , 4591 , 9182 , 13773 , 27546 , 3447841 , 6895682 , 10343523 , 20687046
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
-20687045
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 20687046 can be divided by 16 positive divisors.
The sum of these divisors (counting 20687046) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001110111010100011000110
3
Ternary
1102221000021220
4
Quaternary
1032322203012
5
Quinary
20243441141
6
Senary
2015221210
8
Octal
116724306
10
Decimal
20687046
12
Duodecimal
6b17806
16
Hexadecimal
13ba8c6
20
Vigesimal
695hc6
36
Base36
cbe86
md5
826c2034ecb9fc3b62a18b5508eefcd8
sha1
2d12670d452d053f88186a0a5b6297537ca10cab
sha256
887f5f397646134a49df92176a1417c4e1f9f34c463672e9002af8882a22ff5e
sha512
7ab408a14b555e56194f2849ce3d3c9ef9bf4ae4b7b99dbf620cba17ebe2a8f9e52c92cec33125c94f09c76dbf26a20cab62c8fb738755fa86cd1a9ca12e07da
ripemd-160
0bb0bc291c1669f27863ae12785634044448ca8d
Diameter
41374092
Circumference
129980543.47615
Area
1.344456740998E+15
Volume
3.7083784594715E+22
Surface area
5.3778269639922E+15
Circumference
129980543.47615
Perimeter
82748184
Area
427953872206116
Diagonal
29255901.018636
Surface area
2567723233236696
Volume
8.853101440206E+21
Space diagonal
35831014.730515
Perimeter
62061138
Area
1.8530946248921E+14
Altitude
17915507.365257
Surface area
1.8530946248921E+14
Volume
1.0433480104837E+21
Height
9751967.006212