20456840 is an even 8-digits composite number following 20456839
and preceding 20456841 . In scientific notation, it is written as 2.0456840 × 10^7.
The sum of its digits is 29. It has a total of 6 prime factors and 32 positive divisors.
There are 8120832 positive integers (up to 20456840) that are relatively prime to 20456840.
20456840 has 32 divisors, whose sum is 46376280
The reverse of 20456840 is 04865402
Previous prime number is 137
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty million four hundred fifty-six thousand eight hundred forty
Scientific notation
2.0456840 × 10^7
Engineering notation
2.0456840 × 10^6
Prime Factorization
2 × 2 × 2 × 5 × 137 × 3733
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
5114210
Product of the distinct prime numbers
The prime factorization of 20456840 is 2 × 2 × 2 × 5 × 137 × 3733.
Since it has a total of 6 prime factors.
8 , 2 , 32 , 38 , 672 , 636 , 5650 , 4975 , 62474 , 78377 , 489942 , 119249 , 2767286 , 7730603 , 12252474 , 72028383 , 933940447 , 462115553 , 4425996360 , 4254442999
n×2
40913680
n×3
61370520
n×4
81827360
n×5
102284200
n÷2
10228420
n÷3
6818946.6666667
n÷3
5114210
n÷5
4091368
n2
418482302785600
n3
8.5608255109166E+21
n4
1.7512743774474E+29
n5
3.5825539735541E+36
2 √n
4522.9238330973
3 √n
273.49297964327
4 √n
67.252686437772
5 √n
28.98462658806
1 , 2 , 4 , 5 , 8 , 10 , 20 , 40 , 137 , 274 , 548 , 685 , 1096 , 1370 , 2740 , 3733 , 5480 , 7466 , 14932 , 18665 , 29864 , 37330 , 74660 , 149320 , 511421 , 1022842 , 2045684 , 2557105 , 4091368 , 5114210 , 10228420 , 20456840
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
-20456839
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 20456840 can be divided by 32 positive divisors.
The sum of these divisors (counting 20456840) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001110000010010110001000
3
Ternary
1102111022111202
4
Quaternary
1032002112020
5
Quinary
20214104330
6
Senary
2010243332
8
Octal
116022610
10
Decimal
20456840
12
Duodecimal
6a26548
16
Hexadecimal
1382588
20
Vigesimal
67h220
36
Base36
c6glk
md5
c4cb59129cbc2e0d57df7af1afdf7337
sha1
afc2781b38fc673c92c4e21aba231f19ec2be8ac
sha256
8d62edce639c9efc591e604f36161e6cf04b5c54b4564b9248ca1b7c3de57721
sha512
384bbeb74b281ce39ce1008730a04bbac41bfba8987c251b80ac566c70638b5a64c96b656e3a1c41a80e8af9801b738bb0cf354f2bf87d57bc27bea0a7fc84da
ripemd-160
29dacbd36ab34e39563e1d13ffc872442d67bcba
Diameter
40913680
Circumference
128534116.51932
Area
1.3147009280886E+15
Volume
3.5859502045013E+22
Surface area
5.2588037123543E+15
Circumference
128534116.51932
Perimeter
81827360
Area
418482302785600
Diagonal
28930340.571296
Surface area
2510893816713600
Volume
8.5608255109166E+21
Space diagonal
35432286.242307
Perimeter
61370520
Area
1.8120815262327E+14
Altitude
17716143.121154
Surface area
1.8120815262327E+14
Volume
1.0089029618873E+21
Height
9643446.8570988