20090815 is an odd 8-digits composite number following 20090814
and preceding 20090816 . In scientific notation, it is written as 2.0090815 × 10^7.
The sum of its digits is 25. It has a total of 4 prime factors and 16 positive divisors.
There are 15500160 positive integers (up to 20090815) that are relatively prime to 20090815.
20090815 has 16 divisors, whose sum is 24979680
The reverse of 20090815 is 51809002
Previous prime number is 131
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million ninety thousand eight hundred fifteen
Scientific notation
2.0090815 × 10^7
Engineering notation
2.0090815 × 10^6
Prime Factorization
5 × 37 × 131 × 829
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20090815
Product of the distinct prime numbers
The prime factorization of 20090815 is 5 × 37 × 131 × 829.
Since it has a total of 4 prime factors.
6 , 4 , 88 , 76 , 662 , 775 , 2404 , 6070 , 6811 , 50608 , 659140 , 552747 , 2946822 , 2019776 , 94080598 , 5915180 , 879286666 , 165436427 , 7573662913 , 5658852587
n×2
40181630
n×3
60272445
n×4
80363260
n×5
100454075
n÷2
10045407.5
n÷3
6696938.3333333
n÷3
5022703.75
n÷5
4018163
n2
403640847364225
n3
8.1094735908379E+21
n4
1.6292593366091E+29
n5
3.2733147918836E+36
2 √n
4482.2778807209
3 √n
271.85199109459
4 √n
66.949816136573
5 √n
28.880154411905
1 , 5 , 37 , 131 , 185 , 655 , 829 , 4145 , 4847 , 24235 , 30673 , 108599 , 153365 , 542995 , 4018163 , 20090815
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20090814
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20090815 can be divided by 16 positive divisors.
The sum of these divisors (counting 20090815) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100101000111110111111
3
Ternary
1101210201102021
4
Quaternary
1030220332333
5
Quinary
20120401230
6
Senary
1554341011
8
Octal
114507677
10
Decimal
20090815
12
Duodecimal
688a767
16
Hexadecimal
1328fbf
20
Vigesimal
65b70f
36
Base36
bym67
md5
62da4cc8454b2b4c3eca0124fb4bc84b
sha1
ef4e815c18d7498d30412b8035b6df70c5dff1d0
sha256
bd7390eb21ff4bc55589486a74cd47060c2c4b6c98f421e62b149e489542a0f2
sha512
063b48cb4ee65f7bef4bd60df20c506c0ca94feb738d564737e6b514cc7bf363dd625ee9ad2ba9ec8c205c8969f675d635c4ac1e659d91174528dedb230f873f
ripemd-160
3c573e3b117d87c1950017079829ae8ab4b10796
Diameter
40181630
Circumference
126234313.61726
Area
1.2680751207682E+15
Volume
3.3968883543276E+22
Surface area
5.0723004830728E+15
Circumference
126234313.61726
Perimeter
80363260
Area
403640847364225
Diagonal
28412703.052129
Surface area
2421845084185350
Volume
8.1094735908379E+21
Space diagonal
34798312.345467
Perimeter
60272445
Area
1.7478161391125E+14
Altitude
17399156.172733
Surface area
1.7478161391125E+14
Volume
9.5571062798911E+20
Height
9470901.0173763