20161290 is an even 8-digits composite number following 20161289
and preceding 20161291 . In scientific notation, it is written as 2.0161290 × 10^7.
The sum of its digits is 21. It has a total of 4 prime factors and 16 positive divisors.
There are 5376336 positive integers (up to 20161290) that are relatively prime to 20161290.
20161290 has 16 divisors, whose sum is 48387168
The reverse of 20161290 is 09216102
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty million one hundred sixty-one thousand two hundred ninety
Scientific notation
2.0161290 × 10^7
Engineering notation
2.0161290 × 10^6
Prime Factorization
2 × 5 × 3 × 672043
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20161290
Product of the distinct prime numbers
The prime factorization of 20161290 is 2 × 5 × 3 × 672043.
Since it has a total of 4 prime factors.
9 , 8 , 19 , 98 , 158 , 473 , 6281 , 6858 , 44868 , 57815 , 92104 , 188056 , 9473018 , 7093824 , 76123989 , 1271933 , 848697721 , 852690884 , 4518434112 , 9444850631
n×2
40322580
n×3
60483870
n×4
80645160
n×5
100806450
n÷2
10080645
n÷3
6720430
n÷3
5040322.5
n÷5
4032258
n2
406477614464100
n3
8.1951130637189E+21
n4
1.6522405106043E+29
n5
3.331130008404E+36
2 √n
4490.1325147483
3 √n
272.16948959291
4 √n
67.00845106961
5 √n
28.90038732978
1 , 2 , 3 , 5 , 6 , 10 , 15 , 30 , 672043 , 1344086 , 2016129 , 3360215 , 4032258 , 6720430 , 10080645 , 20161290
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
-20161289
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 20161290 can be divided by 16 positive divisors.
The sum of these divisors (counting 20161290) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100111010001100001010
3
Ternary
1101221022002110
4
Quaternary
1030322030022
5
Quinary
20130130130
6
Senary
2000043150
8
Octal
114721412
10
Decimal
20161290
12
Duodecimal
69034b6
16
Hexadecimal
133a30a
20
Vigesimal
66034a
36
Base36
c04ju
md5
4710b3216923340b8aa1d2b05800969d
sha1
7c6753d85ea06ba93de272173519acd1344984fb
sha256
9d7cdc1b3b21ea0009d41eb87a478167f58d526c00f41aa1770eafa025d74d58
sha512
99b15b22989f84f034d45b06fa1e70dc74d0730be73ca64608388d0767d76a0a3365d7da9167160eea0d1caaf812adfd32f59a8ba0d781aa908f25b1c0e8c685
ripemd-160
ff92913e1331fb62f64c99c8f146325455ff3f64
Diameter
40322580
Circumference
126677121.10179
Area
1.2769870874491E+15
Volume
3.4327609328423E+22
Surface area
5.1079483497965E+15
Circumference
126677121.10179
Perimeter
80645160
Area
406477614464100
Diagonal
28512369.752937
Surface area
2438865686784600
Volume
8.1951130637189E+21
Space diagonal
34920378.62613
Perimeter
60483870
Area
1.760099700978E+14
Altitude
17460189.313065
Surface area
1.760099700978E+14
Volume
9.6580333665768E+20
Height
9504123.250979