20191761 is an odd 8-digits composite number following 20191760
and preceding 20191762 . In scientific notation, it is written as 2.0191761 × 10^7.
The sum of its digits is 27. It has a total of 6 prime factors and 20 positive divisors.
There are 13267800 positive integers (up to 20191761) that are relatively prime to 20191761.
20191761 has 20 divisors, whose sum is 30596544
The reverse of 20191761 is 16719102
Previous prime number is 71
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million one hundred ninety-one thousand seven hundred sixty-one
Scientific notation
2.0191761 × 10^7
Engineering notation
2.0191761 × 10^6
Prime Factorization
3 × 3 × 3 × 3 × 71 × 3511
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
747843
Product of the distinct prime numbers
The prime factorization of 20191761 is 3 × 3 × 3 × 3 × 71 × 3511.
Since it has a total of 6 prime factors.
9 , 5 , 22 , 35 , 34 , 153 , 6075 , 6256 , 88503 , 79393 , 461831 , 10755 , 9008411 , 4977874 , 630849 , 47801916 , 927418438 , 74799504 , 8890236712 , 5395290384
n×2
40383522
n×3
60575283
n×4
80767044
n×5
100958805
n÷2
10095880.5
n÷3
6730587
n÷3
5047940.25
n÷5
4038352.2
n2
407707212281121
n3
8.2323265883567E+21
n4
1.6622517094604E+29
n5
3.3563789239266E+36
2 √n
4493.5243406484
3 √n
272.3065360811
4 √n
67.03375523308
5 √n
28.909117840657
1 , 3 , 9 , 27 , 71 , 81 , 213 , 639 , 1917 , 3511 , 5751 , 10533 , 31599 , 94797 , 249281 , 284391 , 747843 , 2243529 , 6730587 , 20191761
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20191760
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20191761 can be divided by 20 positive divisors.
The sum of these divisors (counting 20191761) is 1, the average is 0.05.
Base
System
Value
2
Binary
1001101000001101000010001
3
Ternary
1101222211220000
4
Quaternary
1031001220101
5
Quinary
20132114021
6
Senary
2000440213
8
Octal
115015021
10
Decimal
20191761
12
Duodecimal
6919069
16
Hexadecimal
1341a11
20
Vigesimal
663j81
36
Base36
c0s29
md5
f640e139491b77c81ef1c943d75b5060
sha1
a2c79e19f9b3a0f61109e5d820d5d54cdf1d7871
sha256
a1519de08d9e9c7e757ad2c3e2f26073d7535221c637125183f6443bf9c6f4b4
sha512
ef1646821b0f81869239747161d119974099fc0d59322755b187eabbb733c68281d5545a055ae193ae9b661c6c323df01d5e486d9820611e0f2c233c3a253f8f
ripemd-160
2b7827a55fc722ab93d22bf4eda3d4763ff609ba
Diameter
40383522
Circumference
126868576.04128
Area
1.2808499829179E+15
Volume
3.4483488975911E+22
Surface area
5.1233999316718E+15
Circumference
126868576.04128
Perimeter
80767044
Area
407707212281121
Diagonal
28555462.254396
Surface area
2446243273686726
Volume
8.2323265883567E+21
Space diagonal
34973155.946288
Perimeter
60575283
Area
1.7654240157079E+14
Altitude
17486577.973144
Surface area
1.7654240157079E+14
Volume
9.7018899259489E+20
Height
9518487.418132