20409815 is an odd 8-digits composite number following 20409814
and preceding 20409816 . In scientific notation, it is written as 2.0409815 × 10^7.
The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors.
There are 16327848 positive integers (up to 20409815) that are relatively prime to 20409815.
20409815 has 4 divisors, whose sum is 24491784
The reverse of 20409815 is 51890402
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty million four hundred nine thousand eight hundred fifteen
Scientific notation
2.0409815 × 10^7
Engineering notation
2.0409815 × 10^6
Prime Factorization
5 × 4081963
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20409815
Product of the distinct prime numbers
The prime factorization of 20409815 is 5 × 4081963.
Since it has a total of 2 prime factors.
5 , 6 , 76 , 4 , 456 , 291 , 9228 , 7694 , 88796 , 86240 , 287721 , 411835 , 6680675 , 9832 , 64363310 , 59053413 , 151340697 , 277471530 , 4940966431 , 2449774099
n×2
40819630
n×3
61229445
n×4
81639260
n×5
102049075
n÷2
10204907.5
n÷3
6803271.6666667
n÷3
5102453.75
n÷5
4081963
n2
416560548334225
n3
8.5019237278001E+21
n4
1.7352269042851E+29
n5
3.5415660099482E+36
2 √n
4517.7223243577
3 √n
273.28325558218
4 √n
67.214003930414
5 √n
28.971288681787
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20409814
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20409815 can be divided by 4 positive divisors.
The sum of these divisors (counting 20409815) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101110110110111010111
3
Ternary
1102101221000002
4
Quaternary
1031312313113
5
Quinary
20211103230
6
Senary
2005241515
8
Octal
115666727
10
Decimal
20409815
12
Duodecimal
6a0329b
16
Hexadecimal
1376dd7
20
Vigesimal
67b4af
36
Base36
c5gbb
md5
94afcbd734866f101b62307b1225c5e5
sha1
b3d926d80a69d04b2ef47709ac15d845e967eea1
sha256
e986e4d123180c0f2e47239c403cb7f439a64b04c0484d912c8e652938d4f4c4
sha512
f4049dfe30bbda2a4d57ce8db4c7a78674a139442b50b8ded0a3c438419fa7e0d8372c8b4e74a7c62ba81319594ed8e060f3b5a149262c2804a35731cc848835
ripemd-160
526e166e59809eb3718e5e83c777c5dd82a516a1
Diameter
40819630
Circumference
128238649.73025
Area
1.3086635584221E+15
Volume
3.561277483285E+22
Surface area
5.2346542336885E+15
Circumference
128238649.73025
Perimeter
81639260
Area
416560548334225
Diagonal
28863837.178526
Surface area
2499363290005350
Volume
8.5019237278001E+21
Space diagonal
35350836.553081
Perimeter
61229445
Area
1.8037600853591E+14
Altitude
17675418.276541
Surface area
1.8037600853591E+14
Volume
1.0019613201764E+21
Height
9621279.0595086