20149815 is an odd 8-digits composite number following 20149814
and preceding 20149816 . In scientific notation, it is written as 2.0149815 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 9211296 positive integers (up to 20149815) that are relatively prime to 20149815.
20149815 has 16 divisors, whose sum is 36845568
The reverse of 20149815 is 51894102
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million one hundred forty-nine thousand eight hundred fifteen
Scientific notation
2.0149815 × 10^7
Engineering notation
2.0149815 × 10^6
Prime Factorization
5 × 3 × 7 × 191903
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20149815
Product of the distinct prime numbers
The prime factorization of 20149815 is 5 × 3 × 7 × 191903.
Since it has a total of 4 prime factors.
10 , 5 , 91 , 46 , 757 , 336 , 4695 , 8598 , 60950 , 7117 , 105166 , 212073 , 279277 , 5766551 , 61433253 , 29975229 , 672518891 , 946329719 , 8670209632 , 9027528015
n×2
40299630
n×3
60449445
n×4
80599260
n×5
100749075
n÷2
10074907.5
n÷3
6716605
n÷3
5037453.75
n÷5
4029963
n2
406015044534225
n3
8.1811280345814E+21
n4
1.6484821638813E+29
n5
3.3216610633008E+36
2 √n
4488.8545309466
3 √n
272.11784379704
4 √n
66.998914401254
5 √n
28.897096791614
1 , 3 , 5 , 7 , 15 , 21 , 35 , 105 , 191903 , 575709 , 959515 , 1343321 , 2878545 , 4029963 , 6716605 , 20149815
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
-20149814
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 20149815 can be divided by 16 positive divisors.
The sum of these divisors (counting 20149815) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110111011000110111
3
Ternary
1101220201100110
4
Quaternary
1030313120313
5
Quinary
20124243230
6
Senary
1555514103
8
Octal
114673067
10
Decimal
20149815
12
Duodecimal
68b8933
16
Hexadecimal
1337637
20
Vigesimal
65ieaf
36
Base36
bzvp3
md5
ce627e33b36d901b3d38379a582b6d19
sha1
f34c236c121a99fd5782de24faf8fba645dd4616
sha256
31fe74b867537b5f2f071b986d0717f9a5222dabc196b6cff7df91fff1390fe0
sha512
80e091b01989157d28190dc20024c9b57526bbf0c739231cef007e74f8e8d4fab85150960ff560508d88c7c508f45aa02c1656d98a84945685528e0442b780af
ripemd-160
520237f0fff1b970f49c3f65ebf8ef72bedc793f
Diameter
40299630
Circumference
126605021.55039
Area
1.2755338811557E+15
Volume
3.4269028975358E+22
Surface area
5.1021355246226E+15
Circumference
126605021.55039
Perimeter
80599260
Area
406015044534225
Diagonal
28496141.652309
Surface area
2436090267205350
Volume
8.1811280345814E+21
Space diagonal
34900503.343113
Perimeter
60449445
Area
1.7580967144265E+14
Altitude
17450251.671557
Surface area
1.7580967144265E+14
Volume
9.6415518516798E+20
Height
9498713.8841029