131490993 is an odd 9-digits composite number following 131490992
and preceding 131490994 . In scientific notation, it is written as 1.31490993 × 10^8.
The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors.
There are 87660660 positive integers (up to 131490993) that are relatively prime to 131490993.
131490993 has 4 divisors, whose sum is 175321328
The reverse of 131490993 is 399094131
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 39
Digital Root 3
Name
one hundred thirty-one million four hundred ninety thousand nine hundred ninety-three
Scientific notation
1.31490993 × 10^8
Engineering notation
1.31490993 × 10^6
Prime Factorization
3 × 43830331
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
131490993
Product of the distinct prime numbers
The prime factorization of 131490993 is 3 × 43830331.
Since it has a total of 2 prime factors.
4 , 9 , 71 , 85 , 542 , 50 , 1077 , 4693 , 61504 , 88426 , 535910 , 835082 , 1248944 , 6469367 , 10078343 , 55633039 , 600256399 , 914374707 , 6556775476 , 5620047426
n×2
262981986
n×3
394472979
n×4
525963972
n×5
657454965
n÷2
65745496.5
n÷3
43830331
n÷3
32872748.25
n÷5
26298198.6
n2
17289881240126049
n3
2.2734636531162E+24
n4
2.9893999329766E+32
n5
3.9307916566123E+40
2 √n
11466.952210592
3 √n
508.50902874747
4 √n
107.08385597555
5 √n
42.051278178331
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
-131490992
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 131490993 can be divided by 4 positive divisors.
The sum of these divisors (counting 131490993) is 1, the average is 0.25.
Base
System
Value
2
Binary
111110101100110010010110001
3
Ternary
100011102102201210
4
Quaternary
13311212102301
5
Quinary
232130202433
6
Senary
21014150333
8
Octal
765462261
10
Decimal
131490993
12
Duodecimal
380523a9
16
Hexadecimal
7d664b1
20
Vigesimal
211g79d
36
Base36
26ab3l
md5
532383e80c42574c146f11bb86653dd7
sha1
a6f99f7cf0e614ce61bcae06ecae6ab478dcc40a
sha256
16859e4be3a4ca1032e94fad8f63ff57c1bba4b09ac2ca44cadcd06bb310760f
sha512
b976b2e99a244cad42d3df8586ed50e401f0c8370772cd14e68b2b6616a4a424783f35962fed83c70ee9587c784b7f120b8ed9b14f9e85d5c4643a73fa25fd28
ripemd-160
f85488799d8a47a46cc1ed1271e2218c5522c38c
Diameter
262981986
Circumference
826182275.24405
Area
5.431776388542E+16
Volume
9.5230622811112E+24
Surface area
2.1727105554168E+17
Circumference
826182275.24405
Perimeter
525963972
Area
17289881240126049
Diagonal
185956345.63051
Surface area
103739287440756294
Volume
2.2734636531162E+24
Space diagonal
227749080.61368
Perimeter
394472979
Area
7.4867381911826E+15
Altitude
113874540.30684
Surface area
7.4867381911826E+15
Volume
2.6793026098327E+23
Height
61985448.543502