20161749 is an odd 8-digits composite number following 20161748
and preceding 20161750 . In scientific notation, it is written as 2.0161749 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 12951600 positive integers (up to 20161749) that are relatively prime to 20161749.
20161749 has 16 divisors, whose sum is 27869184
The reverse of 20161749 is 94716102
Previous prime number is 431
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million one hundred sixty-one thousand seven hundred forty-nine
Scientific notation
2.0161749 × 10^7
Engineering notation
2.0161749 × 10^6
Prime Factorization
3 × 31 × 431 × 503
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20161749
Product of the distinct prime numbers
The prime factorization of 20161749 is 3 × 31 × 431 × 503.
Since it has a total of 4 prime factors.
1 , 6 , 94 , 8 , 119 , 70 , 4637 , 6242 , 11918 , 60642 , 515942 , 47720 , 2469484 , 5319527 , 99980980 , 56055877 , 690533049 , 882158783 , 4902581242 , 9237250044
n×2
40323498
n×3
60485247
n×4
80646996
n×5
100808745
n÷2
10080874.5
n÷3
6720583
n÷3
5040437.25
n÷5
4032349.8
n2
406496122739001
n3
8.1956727961369E+21
n4
1.6523909780184E+29
n5
3.3315092148672E+36
2 √n
4490.1836265347
3 √n
272.17155501709
4 √n
67.00883245166
5 √n
28.900518920139
1 , 3 , 31 , 93 , 431 , 503 , 1293 , 1509 , 13361 , 15593 , 40083 , 46779 , 216793 , 650379 , 6720583 , 20161749
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
-20161748
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 20161749 can be divided by 16 positive divisors.
The sum of these divisors (counting 20161749) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100111010010011010101
3
Ternary
1101221022201110
4
Quaternary
1030322103111
5
Quinary
20130133444
6
Senary
2000045233
8
Octal
114722325
10
Decimal
20161749
12
Duodecimal
6903819
16
Hexadecimal
133a4d5
20
Vigesimal
660479
36
Base36
c04wl
md5
040783edb02720f8a1a5f456c8945b34
sha1
b9cb93db88bd174fee7fcc66edc97a0ab8ae8173
sha256
f4ce764bf3795b690026c15740a971cf7e7bf92a0f6d90c4a5283ef5cab3bebb
sha512
346a8bb15f9d48e8c42ec14d9add232457c250485b29c8e585923a0a8315aa2befa52b66eda1e2272531e9daf3bf1b2e4482912e10ffae19219c79d54d175490
ripemd-160
e12719bbd4787944456c16f7f892ed78792febb2
Diameter
40323498
Circumference
126680005.08384
Area
1.2770452329096E+15
Volume
3.4329953930093E+22
Surface area
5.1081809316383E+15
Circumference
126680005.08384
Perimeter
80646996
Area
406496122739001
Diagonal
28513018.876962
Surface area
2438976736434006
Volume
8.1956727961369E+21
Space diagonal
34921173.637451
Perimeter
60485247
Area
1.7601798441593E+14
Altitude
17460586.818726
Surface area
1.7601798441593E+14
Volume
9.6586930175576E+20
Height
9504339.6256541