20161421 is an odd 8-digits composite number following 20161420
and preceding 20161422 . In scientific notation, it is written as 2.0161421 × 10^7.
The sum of its digits is 17. It has a total of 3 prime factors and 8 positive divisors.
There are 16987968 positive integers (up to 20161421) that are relatively prime to 20161421.
20161421 has 8 divisors, whose sum is 23432640
The reverse of 20161421 is 12416102
Previous prime number is 59
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 17
Digital Root 8
Name
twenty million one hundred sixty-one thousand four hundred twenty-one
Scientific notation
2.0161421 × 10^7
Engineering notation
2.0161421 × 10^6
Prime Factorization
7 × 59 × 48817
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20161421
Product of the distinct prime numbers
The prime factorization of 20161421 is 7 × 59 × 48817.
Since it has a total of 3 prime factors.
1 , 6 , 33 , 23 , 934 , 466 , 1239 , 3790 , 88251 , 61511 , 959609 , 905395 , 877414 , 8206818 , 85790688 , 6536828 , 670576760 , 331679434 , 4385578343 , 8133073432
n×2
40322842
n×3
60484263
n×4
80645684
n×5
100807105
n÷2
10080710.5
n÷3
6720473.6666667
n÷3
5040355.25
n÷5
4032284.2
n2
406482896739241
n3
8.1952728104594E+21
n4
1.6522834534152E+29
n5
3.3312382315639E+36
2 √n
4490.1471022674
3 √n
272.17007907447
4 √n
67.008559917874
5 √n
28.900424886314
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20161420
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20161421 can be divided by 8 positive divisors.
The sum of these divisors (counting 20161421) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100111010001110001101
3
Ternary
1101221022021022
4
Quaternary
1030322032031
5
Quinary
20130131141
6
Senary
2000043525
8
Octal
114721615
10
Decimal
20161421
12
Duodecimal
69035a5
16
Hexadecimal
133a38d
20
Vigesimal
6603b1
36
Base36
c04nh
md5
3273542915cc1d800eb0dc12f135e3a1
sha1
79c5c07c57ebaf86996c4deeae40d9b4e499bd38
sha256
2e6ca6174707b13d76be8f3b04d85a56131943d389b770edde5dd52fbfc557e1
sha512
e4cfcd7bf88edd04a53abedfb8bb32c274256b3e7783ce6ed458792ac98eb07b1bf71b5d75028db1df8ce7f1fc129da1b3dc719f4af39939b63f8734c4aa807e
ripemd-160
84c1344a33677cbd9ca585ff8722151995982a27
Diameter
40322842
Circumference
126677944.19906
Area
1.2770036822059E+15
Volume
3.4328278474004E+22
Surface area
5.1080147288236E+15
Circumference
126677944.19906
Perimeter
80645684
Area
406482896739241
Diagonal
28512555.014914
Surface area
2438897380435446
Volume
8.1952728104594E+21
Space diagonal
34920605.524786
Perimeter
60484263
Area
1.7601225739003E+14
Altitude
17460302.762393
Surface area
1.7601225739003E+14
Volume
9.6582216299159E+20
Height
9504185.0049712