20684485 is an odd 8-digits composite number following 20684484
and preceding 20684486 . In scientific notation, it is written as 2.0684485 × 10^7.
The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors.
There are 16531200 positive integers (up to 20684485) that are relatively prime to 20684485.
20684485 has 8 divisors, whose sum is 24845976
The reverse of 20684485 is 58448602
Previous prime number is 1801
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty million six hundred eighty-four thousand four hundred eighty-five
Scientific notation
2.0684485 × 10^7
Engineering notation
2.0684485 × 10^6
Prime Factorization
5 × 1801 × 2297
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20684485
Product of the distinct prime numbers
The prime factorization of 20684485 is 5 × 1801 × 2297.
Since it has a total of 3 prime factors.
6 , 10 , 33 , 91 , 284 , 559 , 5415 , 658 , 78506 , 55553 , 374627 , 670755 , 136673 , 4639457 , 79989172 , 1142926 , 242039456 , 323832727 , 3841905544 , 7594446743
n×2
41368970
n×3
62053455
n×4
82737940
n×5
103422425
n÷2
10342242.5
n÷3
6894828.3333333
n÷3
5171121.25
n÷5
4136897
n2
427847919715225
n3
8.8498138776308E+21
n4
1.8305384240465E+29
n5
3.7863744574113E+36
2 √n
4548.0198988131
3 √n
274.50372201195
4 √n
67.439008732433
5 √n
29.048849897301
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
-20684484
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 20684485 can be divided by 8 positive divisors.
The sum of these divisors (counting 20684485) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001110111001111011000101
3
Ternary
1102220212210001
4
Quaternary
1032321323011
5
Quinary
20243400420
6
Senary
2015201301
8
Octal
116717305
10
Decimal
20684485
12
Duodecimal
6b16231
16
Hexadecimal
13b9ec5
20
Vigesimal
695b45
36
Base36
cbc91
md5
e3b746d29536fbb9ecee1ae450ea47bf
sha1
2b8cbbe67cfc0b1bcdc67f86141d365758773f4e
sha256
506d8b0d8809cae3447b3f84b005607b6eeff4a8b2713c249596c4386b2c354e
sha512
a7278c6a44499c59555120afdd2af10d7bd70526955a203b761acdae45a58a6d4e5d79dbcba217c781ede03492b0aba23eb1a4c4f115d5dad3fdb6d11d3a7bc8
ripemd-160
1099a6277a4f691bdb72dd87c9418d12837b715f
Diameter
41368970
Circumference
129964452.23858
Area
1.344123881431E+15
Volume
3.7070013684802E+22
Surface area
5.3764955257241E+15
Circumference
129964452.23858
Perimeter
82737940
Area
427847919715225
Diagonal
29252279.217703
Surface area
2567087518291350
Volume
8.8498138776308E+21
Space diagonal
35826578.948396
Perimeter
62053455
Area
1.8526358371485E+14
Altitude
17913289.474198
Surface area
1.8526358371485E+14
Volume
1.0429605675186E+21
Height
9750759.7392343