19188891 is an odd 8-digits composite number following 19188890
and preceding 19188892 . In scientific notation, it is written as 1.9188891 × 10^7.
The sum of its digits is 45. It has a total of 4 prime factors and 12 positive divisors.
There are 12774384 positive integers (up to 19188891) that are relatively prime to 19188891.
19188891 has 12 divisors, whose sum is 27756768
The reverse of 19188891 is 19888191
Previous prime number is 1933
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
nineteen million one hundred eighty-eight thousand eight hundred ninety-one
Scientific notation
1.9188891 × 10^7
Engineering notation
1.9188891 × 10^6
Prime Factorization
3 × 3 × 1933 × 1103
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
6396297
Product of the distinct prime numbers
The prime factorization of 19188891 is 3 × 3 × 1933 × 1103.
Since it has a total of 4 prime factors.
5 , 9 , 55 , 70 , 792 , 525 , 5375 , 2308 , 52225 , 4795 , 408809 , 589503 , 3415587 , 586261 , 54107593 , 89850152 , 826396638 , 706660796 , 1548397580 , 1337474288
n×2
38377782
n×3
57566673
n×4
76755564
n×5
95944455
n÷2
9594445.5
n÷3
6396297
n÷3
4797222.75
n÷5
3837778.2
n2
368213537809881
n3
7.0656094417582E+21
n4
1.3558120942647E+29
n5
2.6016530493327E+36
2 √n
4380.5126412328
3 √n
267.72152610658
4 √n
66.185441308741
5 √n
28.616069056297
1 , 3 , 9 , 1103 , 1933 , 3309 , 5799 , 9927 , 17397 , 2132099 , 6396297 , 19188891
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19188890
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19188891 can be divided by 12 positive divisors.
The sum of these divisors (counting 19188891) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001001001100110010011011
3
Ternary
1100002220012200
4
Quaternary
1021030302123
5
Quinary
14403021031
6
Senary
1523141243
8
Octal
111146233
10
Decimal
19188891
12
Duodecimal
6514823
16
Hexadecimal
124cc9b
20
Vigesimal
5jic4b
36
Base36
bfa8r
md5
2ef6cc2aebd7434df907e850ac0990b9
sha1
d608de1f4da755d05af29f8ee84cf86b68e07d96
sha256
b3952d76b5312c0e31b950954ceb35c876a4a993e8720315b8e1ab946b9004f6
sha512
6d9d7dadf5b1d565856fd04162fb0aaae1cd7d11070f2be14be3a15325645e2127b72b344c1cc6f0f05d60e49d754b1082159c1a88276ed41c06584d93b72865
ripemd-160
2e0ffd3f4bcd76f2d9f598ea66946cb7e4fbfdac
Diameter
38377782
Circumference
120567357.99227
Area
1.1567769453358E+15
Volume
2.9596355620483E+22
Surface area
4.6271077813433E+15
Circumference
120567357.99227
Perimeter
76755564
Area
368213537809881
Diagonal
27137189.899099
Surface area
2209281226859286
Volume
7.0656094417582E+21
Space diagonal
33236134.152901
Perimeter
57566673
Area
1.5944113888035E+14
Altitude
16618067.076451
Surface area
1.5944113888035E+14
Volume
8.3269005824715E+20
Height
9045729.9663663