20408540 is an even 8-digits composite number following 20408539
and preceding 20408541 . In scientific notation, it is written as 2.0408540 × 10^7.
The sum of its digits is 23. It has a total of 5 prime factors and 24 positive divisors.
There are 7899840 positive integers (up to 20408540) that are relatively prime to 20408540.
20408540 has 24 divisors, whose sum is 44241792
The reverse of 20408540 is 04580402
Previous prime number is 31
Is Prime? no
Number parity even
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty million four hundred eight thousand five hundred forty
Scientific notation
2.0408540 × 10^7
Engineering notation
2.0408540 × 10^6
Prime Factorization
2 × 2 × 5 × 31 × 32917
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10204270
Product of the distinct prime numbers
The prime factorization of 20408540 is 2 × 2 × 5 × 31 × 32917.
Since it has a total of 5 prime factors.
9 , 6 , 63 , 89 , 538 , 761 , 2954 , 6365 , 75362 , 58347 , 881589 , 488744 , 7655637 , 9899371 , 74126615 , 99859658 , 908963908 , 25692574 , 6220330837 , 359979190
n×2
40817080
n×3
61225620
n×4
81634160
n×5
102042700
n÷2
10204270
n÷3
6802846.6666667
n÷3
5102135
n÷5
4081708
n2
416508504931600
n3
8.5003304832368E+21
n4
1.7347933468036E+29
n5
3.5404599409974E+36
2 √n
4517.5812112235
3 √n
273.27756480045
4 √n
67.212954192057
5 √n
28.970926705786
1 , 2 , 4 , 5 , 10 , 20 , 31 , 62 , 124 , 155 , 310 , 620 , 32917 , 65834 , 131668 , 164585 , 329170 , 658340 , 1020427 , 2040854 , 4081708 , 5102135 , 10204270 , 20408540
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20408539
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20408540 can be divided by 24 positive divisors.
The sum of these divisors (counting 20408540) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001101110110100011011100
3
Ternary
1102101212020212
4
Quaternary
1031312203130
5
Quinary
20211033130
6
Senary
2005231552
8
Octal
115664334
10
Decimal
20408540
12
Duodecimal
6a025b8
16
Hexadecimal
13768dc
20
Vigesimal
67b170
36
Base36
c5fbw
md5
6f677fe1d9c5eea3bc21d12824ead3c4
sha1
6d13381455eacea959e582ec7f0afa937c724103
sha256
4aa610646c6c65ae3c41c7782a0c1b78e9036bf79a4ddd5fa429027375660567
sha512
5fbca2c7969ff20df2fcbe7cc29d8d6703dc345c6b39dca71ddf2f772a825dff3cf11e6975373f9eb393f7067811d8df3331e87d71db87de836385985f0a2e42
ripemd-160
d81f0b821cfb7ecda5bc855f431d770bf5be5ccc
Diameter
40817080
Circumference
128230638.66899
Area
1.3085000592508E+15
Volume
3.5606101065629E+22
Surface area
5.2340002370031E+15
Circumference
128230638.66899
Perimeter
81634160
Area
416508504931600
Diagonal
28862034.056234
Surface area
2499051029589600
Volume
8.5003304832368E+21
Space diagonal
35348628.188302
Perimeter
61225620
Area
1.8035347308152E+14
Altitude
17674314.094151
Surface area
1.8035347308152E+14
Volume
1.0017735545039E+21
Height
9620678.0187446