20408742 is an even 8-digits composite number following 20408741
and preceding 20408743 . In scientific notation, it is written as 2.0408742 × 10^7.
The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors.
There are 6802908 positive integers (up to 20408742) that are relatively prime to 20408742.
20408742 has 8 divisors, whose sum is 34014600
The reverse of 20408742 is 24780402
Previous prime number is 9
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million four hundred eight thousand seven hundred forty-two
Scientific notation
2.0408742 × 10^7
Engineering notation
2.0408742 × 10^6
Prime Factorization
2 × 9 × 1133819
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20408742
Product of the distinct prime numbers
The prime factorization of 20408742 is 2 × 9 × 1133819.
Since it has a total of 3 prime factors.
6 , 3 , 87 , 62 , 199 , 119 , 7834 , 1088 , 74493 , 20553 , 253805 , 338392 , 6996822 , 2695021 , 22563633 , 4571231 , 516145684 , 542105601 , 332891540 , 5752657847
n×2
40817484
n×3
61226226
n×4
81634968
n×5
102043710
n÷2
10204371
n÷3
6802914
n÷3
5102185.5
n÷5
4081748.4
n2
416516750022564
n3
8.500582889889E+21
n4
1.7348620304936E+29
n5
3.540635158594E+36
2 √n
4517.6035682649
3 √n
273.27846641461
4 √n
67.213120506825
5 √n
28.970984055347
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
-20408741
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 20408742 can be divided by 8 positive divisors.
The sum of these divisors (counting 20408742) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101110110100110100110
3
Ternary
1102101212112100
4
Quaternary
1031312212212
5
Quinary
20211034432
6
Senary
2005232530
8
Octal
115664646
10
Decimal
20408742
12
Duodecimal
6a02746
16
Hexadecimal
13769a6
20
Vigesimal
67b1h2
36
Base36
c5fhi
md5
88b433c2daac79e80b20eb59464e39c2
sha1
01e968688bc20a0168a127266f9d1ce2e2737fd7
sha256
1cab93482ae00e284809f98c615f577a711290362461eb1f0062de5305730a16
sha512
51f4940133dbbcc0d2927619f46aa599b85fe03ed656ec6a8748dc06c29198efe37441bcac8f24d4d2d9632a87113766e891e7c589460fefb4e8c0f05447069a
ripemd-160
7ba45a9b854ca6c3ec979400e5e884085b4922ed
Diameter
40817484
Circumference
128231907.87242
Area
1.308525961968E+15
Volume
3.5607158344142E+22
Surface area
5.2341038478719E+15
Circumference
128231907.87242
Perimeter
81634968
Area
416516750022564
Diagonal
28862319.727373
Surface area
2499100500135384
Volume
8.500582889889E+21
Space diagonal
35348978.062565
Perimeter
61226226
Area
1.8035704331064E+14
Altitude
17674489.031282
Surface area
1.8035704331064E+14
Volume
1.0018033009131E+21
Height
9620773.2424578