20407640 is an even 8-digits composite number following 20407639
and preceding 20407641 . In scientific notation, it is written as 2.0407640 × 10^7.
The sum of its digits is 23. It has a total of 6 prime factors and 32 positive divisors.
There are 7420800 positive integers (up to 20407640) that are relatively prime to 20407640.
20407640 has 32 divisors, whose sum is 50092560
The reverse of 20407640 is 04670402
Previous prime number is 11
Is Prime? no
Number parity even
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty million four hundred seven thousand six hundred forty
Scientific notation
2.0407640 × 10^7
Engineering notation
2.0407640 × 10^6
Prime Factorization
2 × 2 × 2 × 5 × 11 × 46381
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
5101910
Product of the distinct prime numbers
The prime factorization of 20407640 is 2 × 2 × 2 × 5 × 11 × 46381.
Since it has a total of 6 prime factors.
8 , 7 , 21 , 100 , 572 , 849 , 2742 , 7271 , 97336 , 21570 , 828354 , 301100 , 1570125 , 5902685 , 27977665 , 16966400 , 696716456 , 906724998 , 1664541772 , 3830765746
n×2
40815280
n×3
61222920
n×4
81630560
n×5
102038200
n÷2
10203820
n÷3
6802546.6666667
n÷3
5101910
n÷5
4081528
n2
416471770369600
n3
8.4992059598655E+21
n4
1.7344873551479E+29
n5
3.539679352841E+36
2 √n
4517.4815992984
3 √n
273.27354763535
4 √n
67.212213170661
5 √n
28.970671182422
1 , 2 , 4 , 5 , 8 , 10 , 11 , 20 , 22 , 40 , 44 , 55 , 88 , 110 , 220 , 440 , 46381 , 92762 , 185524 , 231905 , 371048 , 463810 , 510191 , 927620 , 1020382 , 1855240 , 2040764 , 2550955 , 4081528 , 5101910 , 10203820 , 20407640
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20407639
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20407640 can be divided by 32 positive divisors.
The sum of these divisors (counting 20407640) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001101110110010101011000
3
Ternary
1102101211000112
4
Quaternary
1031312111120
5
Quinary
20211021030
6
Senary
2005223452
8
Octal
115662530
10
Decimal
20407640
12
Duodecimal
6a01b88
16
Hexadecimal
1376558
20
Vigesimal
67aj20
36
Base36
c5emw
md5
1a020dcf0f925d4c0a2f08408d668e04
sha1
fd5f500ab253f5a2eb3d43300ae179cae1659c9a
sha256
0b322d4f4d5d42ed8978ec7235d559d8d9b6b1ffd418f9c54f09a2ad9d7ca234
sha512
57b6cbf9e45ed7b9d358b1bec1be8ed993495e30ff2857b4b069f6168df0b826d3c23432f2c39531ceb7bf41860d1f2eead47081f432e0db19da960bf5ed4dfa
ripemd-160
5322a6e285425ad5bc68e93a165088594f279cdb
Diameter
40815280
Circumference
128224983.80221
Area
1.3083846542207E+15
Volume
3.5601390673147E+22
Surface area
5.2335386168827E+15
Circumference
128224983.80221
Perimeter
81630560
Area
416471770369600
Diagonal
28860761.264028
Surface area
2498830622217600
Volume
8.4992059598655E+21
Space diagonal
35347069.342575
Perimeter
61222920
Area
1.8033756654958E+14
Altitude
17673534.671287
Surface area
1.8033756654958E+14
Volume
1.0016410281537E+21
Height
9620253.7546759