20191249 is an odd 8-digits composite number following 20191248
and preceding 20191250 . In scientific notation, it is written as 2.0191249 × 10^7.
The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors.
There are 18638064 positive integers (up to 20191249) that are relatively prime to 20191249.
20191249 has 4 divisors, whose sum is 21744436
The reverse of 20191249 is 94219102
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million one hundred ninety-one thousand two hundred forty-nine
Scientific notation
2.0191249 × 10^7
Engineering notation
2.0191249 × 10^6
Prime Factorization
13 × 1553173
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20191249
Product of the distinct prime numbers
The prime factorization of 20191249 is 13 × 1553173.
Since it has a total of 2 prime factors.
7 , 7 , 54 , 95 , 838 , 726 , 9692 , 7339 , 32755 , 63545 , 76167 , 68410 , 9093039 , 3708894 , 69282595 , 95876939 , 543115619 , 626232511 , 6358177868 , 1363613390
n×2
40382498
n×3
60573747
n×4
80764996
n×5
100956245
n÷2
10095624.5
n÷3
6730416.3333333
n÷3
5047812.25
n÷5
4038249.8
n2
407686536180001
n3
8.2317003659579E+21
n4
1.6620831178245E+29
n5
3.355953409069E+36
2 √n
4493.4673694153
3 √n
272.30423444719
4 √n
67.033330287367
5 √n
28.908971230181
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
-20191248
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 20191249 can be divided by 4 positive divisors.
The sum of these divisors (counting 20191249) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101000001100000010001
3
Ternary
1101222211012001
4
Quaternary
1031001200101
5
Quinary
20132104444
6
Senary
2000434001
8
Octal
115014021
10
Decimal
20191249
12
Duodecimal
6918901
16
Hexadecimal
1341811
20
Vigesimal
663i29
36
Base36
c0ro1
md5
513fc61ca86205597d56e3d456cd036a
sha1
6f35ebb2733e9015d9adea773e00a122a1252c7f
sha256
868c0725df495f6e0b15019a1546233f15657a5762304e944ec13affa2530ca9
sha512
37e9185da65a8ac35897dc5b133f2cb06a7c862687545300be7790ad5006b161aa970280e1bc1588972d09b2e7d948a840b0b8ba9bb2f270b609c09ee8dd0b6e
ripemd-160
6b9cfe2c7bf04b5931d9613af2f006369b226563
Diameter
40382498
Circumference
126865359.0504
Area
1.2807850270306E+15
Volume
3.4480865861661E+22
Surface area
5.1231401081222E+15
Circumference
126865359.0504
Perimeter
80764996
Area
407686536180001
Diagonal
28554738.177052
Surface area
2446119217080006
Volume
8.2317003659579E+21
Space diagonal
34972269.136274
Perimeter
60573747
Area
1.7653344855638E+14
Altitude
17486134.568137
Surface area
1.7653344855638E+14
Volume
9.7011519157744E+20
Height
9518246.0590174