133688891 is an odd 9-digits composite number following 133688890
and preceding 133688892 . In scientific notation, it is written as 1.33688891 × 10^8.
The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors.
There are 114590472 positive integers (up to 133688891) that are relatively prime to 133688891.
133688891 has 4 divisors, whose sum is 152787312
The reverse of 133688891 is 198886331
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 47
Digital Root 2
Name
one hundred thirty-three million six hundred eighty-eight thousand eight hundred ninety-one
Scientific notation
1.33688891 × 10^8
Engineering notation
1.33688891 × 10^6
Prime Factorization
7 × 19098413
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
133688891
Product of the distinct prime numbers
The prime factorization of 133688891 is 7 × 19098413.
Since it has a total of 2 prime factors.
10 , 2 , 65 , 22 , 950 , 193 , 7810 , 3148 , 62620 , 3572 , 170769 , 420341 , 3736472 , 3927149 , 18336844 , 65276860 , 671350790 , 46934099 , 3240855150 , 6263317461
n×2
267377782
n×3
401066673
n×4
534755564
n×5
668444455
n÷2
66844445.5
n÷3
44562963.666667
n÷3
33422222.75
n÷5
26737778.2
n2
17872719576809881
n3
2.3893840593777E+24
n4
3.1943410507128E+32
n5
4.2704791254557E+40
2 √n
11562.391231921
3 √n
511.32666385803
4 √n
107.52856007555
5 √n
42.190926662338
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
-133688890
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 133688891 can be divided by 4 positive divisors.
The sum of these divisors (counting 133688891) is 1, the average is 0.25.
Base
System
Value
2
Binary
111111101111110111000111011
3
Ternary
100022120002200102
4
Quaternary
13331332320323
5
Quinary
233211021031
6
Senary
21133230015
8
Octal
775767073
10
Decimal
133688891
12
Duodecimal
3893230b
16
Hexadecimal
7f7ee3b
20
Vigesimal
21fb24b
36
Base36
27lf0b
md5
25e9adce12166cf6732bfa59405ffc54
sha1
cedbc4c73b0f7f9c39980815656ec32ae818e9e9
sha256
f93dcfeeaf6a370cc44d6b750ee657d7ddcbe892d726668c4883db218352df54
sha512
7e75dab1af41388853a915a8f68bee4377c8910818e29632b381f835b56d0fe6417de60ce790cc1f38abe84b605836aadb2cd9ad08eecb076aa244d02981ca0c
ripemd-160
777e2d70f5d632d0f0aaa0ba3f9f5ffe653cd35d
Diameter
267377782
Circumference
839992075.66433
Area
5.6148804522176E+16
Volume
1.0008628543394E+25
Surface area
2.2459521808871E+17
Circumference
839992075.66433
Perimeter
534755564
Area
17872719576809881
Diagonal
189064642.79082
Surface area
107236317460859286
Volume
2.3893840593777E+24
Space diagonal
231555951.61954
Perimeter
401066673
Area
7.7391145941164E+15
Altitude
115777975.80977
Surface area
7.7391145941164E+15
Volume
2.8159161187417E+23
Height
63021547.596939