16181890 is an even 8-digits composite number following 16181889
and preceding 16181891 . In scientific notation, it is written as 1.6181890 × 10^7.
The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors.
There are 6472752 positive integers (up to 16181890) that are relatively prime to 16181890.
16181890 has 8 divisors, whose sum is 29127420
The reverse of 16181890 is 09818161
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
sixteen million one hundred eighty-one thousand eight hundred ninety
Scientific notation
1.6181890 × 10^7
Engineering notation
1.6181890 × 10^6
Prime Factorization
2 × 5 × 1618189
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
16181890
Product of the distinct prime numbers
The prime factorization of 16181890 is 2 × 5 × 1618189.
Since it has a total of 3 prime factors.
6 , 1 , 83 , 66 , 846 , 762 , 1692 , 2728 , 87191 , 26536 , 391154 , 159823 , 9438301 , 1390344 , 53628120 , 87630076 , 635312619 , 713443139 , 7943624448 , 8358744781
n×2
32363780
n×3
48545670
n×4
64727560
n×5
80909450
n÷2
8090945
n÷3
5393963.3333333
n÷3
4045472.5
n÷5
3236378
n2
261853563972100
n3
4.2372855683045E+21
n4
6.8567288964891E+28
n5
1.1095483276281E+36
2 √n
4022.6719975658
3 √n
252.93547699222
4 √n
63.424537819095
5 √n
27.657049623493
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
-16181889
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 16181890 can be divided by 8 positive divisors.
The sum of these divisors (counting 16181890) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101101110101010000010
3
Ternary
1010110010101021
4
Quaternary
331232222002
5
Quinary
13120310030
6
Senary
1334500054
8
Octal
75565202
10
Decimal
16181890
12
Duodecimal
550462a
16
Hexadecimal
f6ea82
20
Vigesimal
512eea
36
Base36
9mu0y
md5
403e894590ae85898131a2d2aa435f27
sha1
2c852d881fc86774f004461905746ce47ca4e1ad
sha256
b0eb1e2a191b59f3f7b6b45de9545e3b4ea68244ef9c99d3ecb7a1eff8309131
sha512
8a7b5237ea1857a98f1e582cb08fa9c91659b4ca400f63a516663cfa2675ec936cb86e3b8a417e4fecaa86fd3b8b7311922c9f1f566ac92e346b2f0fedb0fbb8
ripemd-160
293bd65995c6c155896760c2802bf81c68b9848b
Diameter
32363780
Circumference
101673813.4904
Area
8.2263723289105E+14
Volume
1.7749100283397E+22
Surface area
3.2905489315642E+15
Circumference
101673813.4904
Perimeter
64727560
Area
261853563972100
Diagonal
22884648.30283
Surface area
1571121383832600
Volume
4.2372855683045E+21
Space diagonal
28027855.642491
Perimeter
48545670
Area
1.1338591923567E+14
Altitude
14013927.821245
Surface area
1.1338591923567E+14
Volume
4.9936889319533E+20
Height
7628216.1009432