20407840 is an even 8-digits composite number following 20407839
and preceding 20407841 . In scientific notation, it is written as 2.0407840 × 10^7.
The sum of its digits is 25. It has a total of 7 prime factors and 24 positive divisors.
There are 8163072 positive integers (up to 20407840) that are relatively prime to 20407840.
20407840 has 24 divisors, whose sum is 48213900
The reverse of 20407840 is 04870402
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million four hundred seven thousand eight hundred forty
Scientific notation
2.0407840 × 10^7
Engineering notation
2.0407840 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 5 × 127549
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
7
Total number of prime factors
rad
Radical
1275490
Product of the distinct prime numbers
The prime factorization of 20407840 is 2 × 2 × 2 × 2 × 2 × 5 × 127549.
Since it has a total of 7 prime factors.
9 , 2 , 30 , 48 , 93 , 273 , 7388 , 1194 , 42111 , 9358 , 38044 , 93854 , 8304805 , 8938887 , 85599525 , 8839847 , 560184514 , 311546288 , 8756058172 , 5024046168
n×2
40815680
n×3
61223520
n×4
81631360
n×5
102039200
n÷2
10203920
n÷3
6802613.3333333
n÷3
5101960
n÷5
4081568
n2
416479933465600
n3
8.4994558453766E+21
n4
1.7345553497951E+29
n5
3.5398528049763E+36
2 √n
4517.5037354716
3 √n
273.27444034892
4 √n
67.212377844201
5 √n
28.970727966171
1 , 2 , 4 , 5 , 8 , 10 , 16 , 20 , 32 , 40 , 80 , 160 , 127549 , 255098 , 510196 , 637745 , 1020392 , 1275490 , 2040784 , 2550980 , 4081568 , 5101960 , 10203920 , 20407840
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
-20407839
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 20407840 can be divided by 24 positive divisors.
The sum of these divisors (counting 20407840) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001101110110011000100000
3
Ternary
1102101211021221
4
Quaternary
1031312120200
5
Quinary
20211022330
6
Senary
2005224424
8
Octal
115663040
10
Decimal
20407840
12
Duodecimal
6a02114
16
Hexadecimal
1376620
20
Vigesimal
67ajc0
36
Base36
c5esg
md5
cc8df01dd0bd1104b5da4a38d5233358
sha1
368546df8f0a2a7fe554446656310e36cab232a8
sha256
e8901ab995ec04a73953623f46e0dabb39d0fc8ae79a655eac14e6faecfaf4b9
sha512
8c95b94637f6348c0bdb0ed95538317370b3eccea3024dbab3d4d0c56bf46870a702e299d422f812ba224c3d2c2550d151a4b297371978eb15f7cb67fda1d766
ripemd-160
4c3354e4f6b79f14d04d06c427485df74cd13ba5
Diameter
40815680
Circumference
128226240.43927
Area
1.3084102993431E+15
Volume
3.5602437391128E+22
Surface area
5.2336411973724E+15
Circumference
128226240.43927
Perimeter
81631360
Area
416479933465600
Diagonal
28861044.10674
Surface area
2498879600793600
Volume
8.4994558453766E+21
Space diagonal
35347415.752736
Perimeter
61223520
Area
1.8034110127383E+14
Altitude
17673707.876368
Surface area
1.8034110127383E+14
Volume
1.0016704774436E+21
Height
9620348.03558