20161405 is an odd 8-digits composite number following 20161404
and preceding 20161406 . In scientific notation, it is written as 2.0161405 × 10^7.
The sum of its digits is 19. It has a total of 4 prime factors and 16 positive divisors.
There are 13799680 positive integers (up to 20161405) that are relatively prime to 20161405.
20161405 has 16 divisors, whose sum is 27946944
The reverse of 20161405 is 50416102
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 19
Digital Root 1
Name
twenty million one hundred sixty-one thousand four hundred five
Scientific notation
2.0161405 × 10^7
Engineering notation
2.0161405 × 10^6
Prime Factorization
5 × 17 × 11 × 21563
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20161405
Product of the distinct prime numbers
The prime factorization of 20161405 is 5 × 17 × 11 × 21563.
Since it has a total of 4 prime factors.
8 , 3 , 54 , 35 , 616 , 137 , 9886 , 5593 , 2775 , 87543 , 75235 , 453547 , 1243270 , 628079 , 18905787 , 79791393 , 85027956 , 799744382 , 2959310763 , 1842744052
n×2
40322810
n×3
60484215
n×4
80645620
n×5
100807025
n÷2
10080702.5
n÷3
6720468.3333333
n÷3
5040351.25
n÷5
4032281
n2
406482251574025
n3
8.1952532992958E+21
n4
1.6522782084469E+29
n5
3.3312250133172E+36
2 √n
4490.1453205882
3 √n
272.17000707686
4 √n
67.008546623458
5 √n
28.900420299267
1 , 5 , 11 , 17 , 55 , 85 , 187 , 935 , 21563 , 107815 , 237193 , 366571 , 1185965 , 1832855 , 4032281 , 20161405
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
-20161404
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 20161405 can be divided by 16 positive divisors.
The sum of these divisors (counting 20161405) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100111010001101111101
3
Ternary
1101221022020201
4
Quaternary
1030322031331
5
Quinary
20130131110
6
Senary
2000043501
8
Octal
114721575
10
Decimal
20161405
12
Duodecimal
6903591
16
Hexadecimal
133a37d
20
Vigesimal
6603a5
36
Base36
c04n1
md5
7385c205f58f88742190a5b6398e4543
sha1
42822e52632473fcc91d2d6c371527df21a94b95
sha256
0686c9d792e7298c58fe0fe71f4fd43882f95fbff9e778562d8e97c7d2327c9f
sha512
76c567931eee7f082292e3f2d68f47b2f8c42884734183f60effef96e5c341b704c900c8160ffbcd085797317b7ddbd4abff0c9884c7bed7e09bd5d334e2e1e8
ripemd-160
e2c8aaf8defc84675e2fa5eac67cbd40a41dbb29
Diameter
40322810
Circumference
126677843.6681
Area
1.2770016553596E+15
Volume
3.4328196745834E+22
Surface area
5.1080066214384E+15
Circumference
126677843.6681
Perimeter
80645620
Area
406482251574025
Diagonal
28512532.387497
Surface area
2438893509444150
Volume
8.1952532992958E+21
Space diagonal
34920577.811973
Perimeter
60484215
Area
1.760119780253E+14
Altitude
17460288.905987
Surface area
1.760119780253E+14
Volume
9.6581986357892E+20
Height
9504177.4624989