20407851 is an odd 8-digits composite number following 20407850
and preceding 20407852 . In scientific notation, it is written as 2.0407851 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 12 positive divisors.
There are 13135920 positive integers (up to 20407851) that are relatively prime to 20407851.
20407851 has 12 divisors, whose sum is 30494880
The reverse of 20407851 is 15870402
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million four hundred seven thousand eight hundred fifty-one
Scientific notation
2.0407851 × 10^7
Engineering notation
2.0407851 × 10^6
Prime Factorization
3 × 3 × 29 × 78191
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
6802617
Product of the distinct prime numbers
The prime factorization of 20407851 is 3 × 3 × 29 × 78191.
Since it has a total of 4 prime factors.
4 , 6 , 64 , 76 , 153 , 247 , 4893 , 9640 , 1290 , 91215 , 894061 , 921582 , 5524903 , 585595 , 34510054 , 7834835 , 332867530 , 632288677 , 6731214670 , 6942705226
n×2
40815702
n×3
61223553
n×4
81631404
n×5
102039255
n÷2
10203925.5
n÷3
6802617
n÷3
5101962.75
n÷5
4081570.2
n2
416480382438201
n3
8.4994695892218E+21
n4
1.7345590895587E+29
n5
3.539862345041E+36
2 √n
4517.504952958
3 √n
273.27448944799
4 √n
67.21238690121
5 √n
28.970731089264
1 , 3 , 9 , 29 , 87 , 261 , 78191 , 234573 , 703719 , 2267539 , 6802617 , 20407851
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20407850
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20407851 can be divided by 12 positive divisors.
The sum of these divisors (counting 20407851) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001101110110011000101011
3
Ternary
1102101211022100
4
Quaternary
1031312120223
5
Quinary
20211022401
6
Senary
2005224443
8
Octal
115663053
10
Decimal
20407851
12
Duodecimal
6a02123
16
Hexadecimal
137662b
20
Vigesimal
67ajcb
36
Base36
c5esr
md5
7b146fd7f0f17c937d43d518cb5f78cb
sha1
f1ea09f1f6b676aeb5f167e8f189e9cdc319989d
sha256
32d8747171de66043405f3d84208ba62c700b5406e1897e4a705cbe11a553d47
sha512
031f2b3a3cbb5882b21a51fca72d6a6f985b94666256b0ce65e9cfd6097aa0978e7eca7664c5a86eb36ba62698a7c1ad6657d9ac35a79c4e71b851e198a733ea
ripemd-160
10569b4968c2903862f4a511a646a860f9455d66
Diameter
40815702
Circumference
128226309.55431
Area
1.3084117098321E+15
Volume
3.5602494961212E+22
Surface area
5.2336468393285E+15
Circumference
128226309.55431
Perimeter
81631404
Area
416480382438201
Diagonal
28861059.663089
Surface area
2498882294629206
Volume
8.4994695892218E+21
Space diagonal
35347434.805295
Perimeter
61223553
Area
1.8034129568467E+14
Altitude
17673717.402648
Surface area
1.8034129568467E+14
Volume
1.0016720971713E+21
Height
9620353.2210298