20687070 is an even 8-digits composite number following 20687069
and preceding 20687071 . In scientific notation, it is written as 2.0687070 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 5367168 positive integers (up to 20687070) that are relatively prime to 20687070.
20687070 has 16 divisors, whose sum is 33995712
The reverse of 20687070 is 07078602
Previous prime number is 37
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million six hundred eighty-seven thousand seventy
Scientific notation
2.0687070 × 10^7
Engineering notation
2.0687070 × 10^6
Prime Factorization
2 × 15 × 37 × 18637
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20687070
Product of the distinct prime numbers
The prime factorization of 20687070 is 2 × 15 × 37 × 18637.
Since it has a total of 4 prime factors.
7 , 6 , 65 , 36 , 535 , 643 , 9710 , 3992 , 35767 , 97903 , 355448 , 611492 , 9169333 , 5839801 , 67112305 , 13623565 , 924204202 , 943975811 , 9713123112 , 3181650461
n×2
41374140
n×3
62061210
n×4
82748280
n×5
103435350
n÷2
10343535
n÷3
6895690
n÷3
5171767.5
n÷5
4137414
n2
427954865184900
n3
8.8531322529206E+21
n4
1.8314536663543E+29
n5
3.7887410197627E+36
2 √n
4548.3040795444
3 √n
274.51515671068
4 √n
67.441115645757
5 √n
29.04957592479
1 , 2 , 15 , 30 , 37 , 74 , 555 , 1110 , 18637 , 37274 , 279555 , 559110 , 689569 , 1379138 , 10343535 , 20687070
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
-20687069
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 20687070 can be divided by 16 positive divisors.
The sum of these divisors (counting 20687070) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001110111010100011011110
3
Ternary
1102221000022210
4
Quaternary
1032322203132
5
Quinary
20243441240
6
Senary
2015221250
8
Octal
116724336
10
Decimal
20687070
12
Duodecimal
6b17826
16
Hexadecimal
13ba8de
20
Vigesimal
695hda
36
Base36
cbe8u
md5
0b6d9dc53e5e74c9f077dc2f82bcadc7
sha1
3dde21510b570ec42ba1a5c627147887af147335
sha256
3df8b6e9d115aec4e388bcb34ca28c81b0baed7bf3d8c87a485eb3fc55163796
sha512
226d9116ce0f090e0df8b7a8433a7c3a6a78db06d6412515d784f69c7f5022feb2c12b0c3de195fa3dd8f91bd72084e29a82435aaed95a17e2972597af98df32
ripemd-160
a019ce0d978913e4e2447c8342795ab77427848f
Diameter
41374140
Circumference
129980694.2726
Area
1.3444598605329E+15
Volume
3.7083913662712E+22
Surface area
5.3778394421316E+15
Circumference
129980694.2726
Perimeter
82748280
Area
427954865184900
Diagonal
29255934.959762
Surface area
2567729191109400
Volume
8.8531322529206E+21
Space diagonal
35831056.299734
Perimeter
62061210
Area
1.8530989246163E+14
Altitude
17915528.149867
Surface area
1.8530989246163E+14
Volume
1.0433516417969E+21
Height
9751978.3199205