20407815 is an odd 8-digits composite number following 20407814
and preceding 20407816 . In scientific notation, it is written as 2.0407815 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 12 positive divisors.
There are 10884096 positive integers (up to 20407815) that are relatively prime to 20407815.
20407815 has 12 divisors, whose sum is 31443360
The reverse of 20407815 is 51870402
Previous prime number is 3
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 fifteen
Scientific notation
2.0407815 × 10^7
Engineering notation
2.0407815 × 10^6
Prime Factorization
15 × 3 × 3 × 151169
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
6802605
Product of the distinct prime numbers
The prime factorization of 20407815 is 15 × 3 × 3 × 151169.
Since it has a total of 4 prime factors.
5 , 8 , 95 , 79 , 456 , 72 , 9695 , 9926 , 61651 , 68222 , 158371 , 139329 , 2038690 , 4661122 , 460201 , 90970906 , 884976637 , 702084308 , 3037723574 , 1830524483
n×2
40815630
n×3
61223445
n×4
81631260
n×5
102039075
n÷2
10203907.5
n÷3
6802605
n÷3
5101953.75
n÷5
4081563
n2
416478913074225
n3
8.4994246094199E+21
n4
1.7345468503549E+29
n5
3.5398311230875E+36
2 √n
4517.5009684559
3 √n
273.27432876004
4 √n
67.212357260075
5 √n
28.970720868226
1 , 3 , 9 , 15 , 45 , 135 , 151169 , 453507 , 1360521 , 2267535 , 6802605 , 20407815
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
-20407814
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 20407815 can be divided by 12 positive divisors.
The sum of these divisors (counting 20407815) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001101110110011000000111
3
Ternary
1102101211021000
4
Quaternary
1031312120013
5
Quinary
20211022230
6
Senary
2005224343
8
Octal
115663007
10
Decimal
20407815
12
Duodecimal
6a020b3
16
Hexadecimal
1376607
20
Vigesimal
67ajaf
36
Base36
c5err
md5
1de6ad1af84d396acf4bd4e80a0d8b8f
sha1
cb793ca4d7d362fe4e9aa9deb3d9b84b7a10f0df
sha256
aab493691703f8a6dda3f21e585110243c9274f71aa787440168bcd7f206fef4
sha512
53fe81f64c232ed6d39aa52f31b396d900469a2b6bccf5fc03669555a39ad01ba9927f41c5c69f11095e643f1a707844dfc4b4aba33162e8b7bc9b8071c88693
ripemd-160
2a5313ac9ef46a411d3da411a34b4b7ac0b19613
Diameter
40815630
Circumference
128226083.35964
Area
1.308407093689E+15
Volume
3.5602306550258E+22
Surface area
5.2336283747562E+15
Circumference
128226083.35964
Perimeter
81631260
Area
416478913074225
Diagonal
28861008.751401
Surface area
2498873478445350
Volume
8.4994246094199E+21
Space diagonal
35347372.451466
Perimeter
61223445
Area
1.803406594314E+14
Altitude
17673686.225733
Surface area
1.803406594314E+14
Volume
1.0016667962508E+21
Height
9620336.250467