131445878 is an even 9-digits composite number following 131445877
and preceding 131445879 . In scientific notation, it is written as 1.31445878 × 10^8.
The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors.
There are 65722938 positive integers (up to 131445878) that are relatively prime to 131445878.
131445878 has 4 divisors, whose sum is 197168820
The reverse of 131445878 is 878544131
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 41
Digital Root 5
Name
one hundred thirty-one million four hundred forty-five thousand eight hundred seventy-eight
Scientific notation
1.31445878 × 10^8
Engineering notation
1.31445878 × 10^6
Prime Factorization
2 × 65722939
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
131445878
Product of the distinct prime numbers
The prime factorization of 131445878 is 2 × 65722939.
Since it has a total of 2 prime factors.
3 , 8 , 45 , 65 , 622 , 600 , 3533 , 7957 , 55410 , 81543 , 490885 , 535063 , 2483531 , 7285865 , 69131050 , 31267022 , 867266191 , 358828667 , 4667937528 , 1093497117
n×2
262891756
n×3
394337634
n×4
525783512
n×5
657229390
n÷2
65722939
n÷3
43815292.666667
n÷3
32861469.5
n÷5
26289175.6
n2
17278018843190884
n3
2.2711243569438E+24
n4
2.9852993514566E+32
n5
3.9240529434504E+40
2 √n
11464.984866976
3 √n
508.45086504473
4 √n
107.07466958612
5 √n
42.048392195357
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
-131445877
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 131445878 can be divided by 4 positive divisors.
The sum of these divisors (counting 131445878) is 1, the average is 0.25.
Base
System
Value
2
Binary
111110101011011010001110110
3
Ternary
100011100010211212
4
Quaternary
13311123101312
5
Quinary
232122232003
6
Senary
21013201422
8
Octal
765332166
10
Decimal
131445878
12
Duodecimal
38030272
16
Hexadecimal
7d5b476
20
Vigesimal
211aedi
36
Base36
269cae
md5
9ce096b14bcb44b6a54432ef7ed4fc85
sha1
8270d6168c94de94e19ae7f1999e25bc40cfb1dc
sha256
94af6bc18b096e1d03af1186c2a7a3146c4a76a7628fbfebb092e2488c101c76
sha512
8664924fd7485ff00e990cc627c4c103a30102f5f686567eac4282a6ca7c6c13b2cdb1d8578df404bc1f8caa0bc74b59e41edc01f95adcf92269555241be182d
ripemd-160
b3b15fe3863a46b5ae7900ecd4e6c9c1052bcc06
Diameter
262891756
Circumference
825898809.33892
Area
5.4280497066354E+16
Volume
9.5132634602179E+24
Surface area
2.1712198826542E+17
Circumference
825898809.33892
Perimeter
525783512
Area
17278018843190884
Diagonal
185892543.38564
Surface area
103668113059145304
Volume
2.2711243569438E+24
Space diagonal
227670939.1415
Perimeter
394337634
Area
7.4816016226348E+15
Altitude
113835469.57075
Surface area
7.4816016226348E+15
Volume
2.6765457228548E+23
Height
61964181.128546