20191749 is an odd 8-digits composite number following 20191748
and preceding 20191750 . In scientific notation, it is written as 2.0191749 × 10^7.
The sum of its digits is 33. It has a total of 2 prime factors and 4 positive divisors.
There are 13461164 positive integers (up to 20191749) that are relatively prime to 20191749.
20191749 has 4 divisors, whose sum is 26922336
The reverse of 20191749 is 94719102
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty million one hundred ninety-one thousand seven hundred forty-nine
Scientific notation
2.0191749 × 10^7
Engineering notation
2.0191749 × 10^6
Prime Factorization
3 × 6730583
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20191749
Product of the distinct prime numbers
The prime factorization of 20191749 is 3 × 6730583.
Since it has a total of 2 prime factors.
4 , 9 , 85 , 6 , 324 , 215 , 3236 , 9559 , 43982 , 18551 , 150600 , 526440 , 7698645 , 6012450 , 18724446 , 32138076 , 834367325 , 450415213 , 9789664167 , 4706301464
n×2
40383498
n×3
60575247
n×4
80766996
n×5
100958745
n÷2
10095874.5
n÷3
6730583
n÷3
5047937.25
n÷5
4038349.8
n2
407706727679001
n3
8.2323119109057E+21
n4
1.6622477579472E+29
n5
3.3563689504282E+36
2 √n
4493.5230053934
3 √n
272.306482137
4 √n
67.033745273507
5 √n
28.909114404508
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20191748
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20191749 can be divided by 4 positive divisors.
The sum of these divisors (counting 20191749) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101000001101000000101
3
Ternary
1101222211212120
4
Quaternary
1031001220011
5
Quinary
20132113444
6
Senary
2000440153
8
Octal
115015005
10
Decimal
20191749
12
Duodecimal
6919059
16
Hexadecimal
1341a05
20
Vigesimal
663j79
36
Base36
c0s1x
md5
1532ac2e9b565cd12005d3113d518640
sha1
e435921a2974e0312810409b25b4d1be364831af
sha256
8fd456256cec617be25597694227f2591eb4a1f2b8d441d095ff7e68367b22e3
sha512
51a4abc3ef3091edd847cd7284f2bca31859c4ab9e3991c008df223818a9fec0333baa3dbf140b4f41e2959b285d391a741bc185c3261fe252413ee8e7adac2d
ripemd-160
7af4c1b97d9a5412ad0c767bad8c997d52b2026c
Diameter
40383498
Circumference
126868500.64306
Area
1.2808484604955E+15
Volume
3.4483427495148E+22
Surface area
5.1233938419819E+15
Circumference
126868500.64306
Perimeter
80766996
Area
407706727679001
Diagonal
28555445.283833
Surface area
2446240366074006
Volume
8.2323119109057E+21
Space diagonal
34973135.161678
Perimeter
60575247
Area
1.7654219173192E+14
Altitude
17486567.580839
Surface area
1.7654219173192E+14
Volume
9.7018726284071E+20
Height
9518481.7612778