131445879 is an odd 9-digits composite number following 131445878
and preceding 131445880 . In scientific notation, it is written as 1.31445879 × 10^8.
The sum of its digits is 42. It has a total of 2 prime factors and 4 positive divisors.
There are 87630584 positive integers (up to 131445879) that are relatively prime to 131445879.
131445879 has 4 divisors, whose sum is 175261176
The reverse of 131445879 is 978544131
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 42
Digital Root 6
Name
one hundred thirty-one million four hundred forty-five thousand eight hundred seventy-nine
Scientific notation
1.31445879 × 10^8
Engineering notation
1.31445879 × 10^6
Prime Factorization
3 × 43815293
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
131445879
Product of the distinct prime numbers
The prime factorization of 131445879 is 3 × 43815293.
Since it has a total of 2 prime factors.
3 , 5 , 78 , 17 , 761 , 17 , 4485 , 4076 , 91702 , 34652 , 698141 , 101927 , 7892926 , 5791935 , 31903554 , 60943639 , 820277589 , 480620645 , 724472186 , 4570583221
n×2
262891758
n×3
394337637
n×4
525783516
n×5
657229395
n÷2
65722939.5
n÷3
43815293
n÷3
32861469.75
n÷5
26289175.8
n2
17278019106082641
n3
2.2711244087778E+24
n4
2.9852994423016E+32
n5
3.9240530927154E+40
2 √n
11464.984910588
3 √n
508.45086633411
4 √n
107.07466978977
5 √n
42.048392259336
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
-131445878
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 131445879 can be divided by 4 positive divisors.
The sum of these divisors (counting 131445879) is 1, the average is 0.25.
Base
System
Value
2
Binary
111110101011011010001110111
3
Ternary
100011100010211220
4
Quaternary
13311123101313
5
Quinary
232122232004
6
Senary
21013201423
8
Octal
765332167
10
Decimal
131445879
12
Duodecimal
38030273
16
Hexadecimal
7d5b477
20
Vigesimal
211aedj
36
Base36
269caf
md5
4d6a12f8499474e0c1dedb0417a0b9a0
sha1
b1060f853e69da0a9fa9eccd430646cfd4e85655
sha256
1a0fc1ca3d3280f1548eb010af187aeb1912b5a5073dc35d407dd9fc7f1eb711
sha512
1df8f9135cdf2fc8ffbe321384aaff81946bd8b4e7ad162d3f5b603a1731de1bcbb01a008aa11ce9ec55b24a73eec687033f3691e1a1f6cd20e251f2704a5d9d
ripemd-160
e36981c54a6597028aa250a412e6aebece94081f
Diameter
262891758
Circumference
825898815.62211
Area
5.4280497892253E+16
Volume
9.5132636773398E+24
Surface area
2.1712199156901E+17
Circumference
825898815.62211
Perimeter
525783516
Area
17278019106082641
Diagonal
185892544.79985
Surface area
103668114636495846
Volume
2.2711244087778E+24
Space diagonal
227670940.87355
Perimeter
394337637
Area
7.4816017364702E+15
Altitude
113835470.43678
Surface area
7.4816017364702E+15
Volume
2.6765457839418E+23
Height
61964181.599951