20689040 is an even 8-digits composite number following 20689039
and preceding 20689041 . In scientific notation, it is written as 2.0689040 × 10^7.
The sum of its digits is 29. It has a total of 6 prime factors and 20 positive divisors.
There are 8275584 positive integers (up to 20689040) that are relatively prime to 20689040.
20689040 has 20 divisors, whose sum is 48102204
The reverse of 20689040 is 04098602
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty million six hundred eighty-nine thousand forty
Scientific notation
2.0689040 × 10^7
Engineering notation
2.0689040 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 5 × 258613
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
2586130
Product of the distinct prime numbers
The prime factorization of 20689040 is 2 × 2 × 2 × 2 × 5 × 258613.
Since it has a total of 6 prime factors.
8 , 5 , 74 , 12 , 552 , 765 , 8241 , 6907 , 6977 , 68141 , 103970 , 86742 , 1699212 , 6630685 , 38229960 , 1828075 , 281099353 , 401109484 , 8302736274 , 4006753605
n×2
41378080
n×3
62067120
n×4
82756160
n×5
103445200
n÷2
10344520
n÷3
6896346.6666667
n÷3
5172260
n÷5
4137808
n2
428036376121600
n3
8.8556617070348E+21
n4
1.8321513928331E+29
n5
3.790545345238E+36
2 √n
4548.5206386253
3 √n
274.52387032895
4 √n
67.442721168598
5 √n
29.050129173604
1 , 2 , 4 , 5 , 8 , 10 , 16 , 20 , 40 , 80 , 258613 , 517226 , 1034452 , 1293065 , 2068904 , 2586130 , 4137808 , 5172260 , 10344520 , 20689040
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20689039
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20689040 can be divided by 20 positive divisors.
The sum of these divisors (counting 20689040) is 1, the average is 0.05.
Base
System
Value
2
Binary
1001110111011000010010000
3
Ternary
1102221010000202
4
Quaternary
1032323002100
5
Quinary
20244022130
6
Senary
2015234332
8
Octal
116730220
10
Decimal
20689040
12
Duodecimal
6b189a8
16
Hexadecimal
13bb090
20
Vigesimal
6962c0
36
Base36
cbfrk
md5
148f54be06db8a4d9cd9193793adfd32
sha1
59d2c877981f53b8ad98d891d9bb98fc15b6655a
sha256
d3ead83182844a54e70d5750675deba957a11094937fa41f5ac95eec2773e204
sha512
4c03f650c9e9a139fb17cdf06aa63b15b98de4770bc07bcdd236ff8399a1b70a64dbefc6a746095857ad8596e5f168335c7b095d6be7901d48152c5a6f17d6d1
ripemd-160
fb53e0ef57da25e718b44dc0fd3704c4e9695e2b
Diameter
41378080
Circumference
129993072.14765
Area
1.3447159346928E+15
Volume
3.7094509015329E+22
Surface area
5.3788637387713E+15
Circumference
129993072.14765
Perimeter
82756160
Area
428036376121600
Diagonal
29258720.960479
Surface area
2568218256729600
Volume
8.8556617070348E+21
Space diagonal
35834468.439825
Perimeter
62067120
Area
1.8534518773257E+14
Altitude
17917234.219912
Surface area
1.8534518773257E+14
Volume
1.0436497408231E+21
Height
9752906.9868265