131489279 is an odd 9-digits composite number following 131489278
and preceding 131489280 . In scientific notation, it is written as 1.31489279 × 10^8.
The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors.
There are 129687984 positive integers (up to 131489279) that are relatively prime to 131489279.
131489279 has 4 divisors, whose sum is 133290576
The reverse of 131489279 is 972984131
Previous prime number is 73
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 44
Digital Root 8
Name
one hundred thirty-one million four hundred eighty-nine thousand two hundred seventy-nine
Scientific notation
1.31489279 × 10^8
Engineering notation
1.31489279 × 10^6
Prime Factorization
73 × 1801223
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
131489279
Product of the distinct prime numbers
The prime factorization of 131489279 is 73 × 1801223.
Since it has a total of 2 prime factors.
10 , 4 , 21 , 60 , 77 , 112 , 4336 , 4054 , 13262 , 88171 , 702527 , 247973 , 708660 , 9322205 , 52659574 , 10383897 , 121461292 , 577458238 , 3157076925 , 7910056228
n×2
262978558
n×3
394467837
n×4
525957116
n×5
657446395
n÷2
65744639.5
n÷3
43829759.666667
n÷3
32872319.75
n÷5
26297855.8
n2
17289430491939841
n3
2.2733747497058E+24
n4
2.9892440673562E+32
n5
3.9305354717169E+40
2 √n
11466.877473837
3 √n
508.50681924692
4 √n
107.08350701129
5 √n
42.051168549124
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
-131489278
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 131489279 can be divided by 4 positive divisors.
The sum of these divisors (counting 131489279) is 1, the average is 0.25.
Base
System
Value
2
Binary
111110101100101110111111111
3
Ternary
100011102100101022
4
Quaternary
13311211313333
5
Quinary
232130124104
6
Senary
21014134355
8
Octal
765456777
10
Decimal
131489279
12
Duodecimal
380513bb
16
Hexadecimal
7d65dff
20
Vigesimal
211g33j
36
Base36
26a9rz
md5
2dcc643432253131a9722359ce416a5a
sha1
02421388a1c485fefb02d9311fba135f4e2c16ee
sha256
a6db6a0f9892779655e948820472ff63a77e1c14fb2e70c99b52e24774a3e3aa
sha512
63ed686323ca98515de1fc374226d44a01f7a8dff1e650ba772a64b2d9e74ead75fefd51c12985ea1be992719e7d72c28b2d353e92a62441f61ea5f70e648f52
ripemd-160
551bbac0a59730b9f468d36b8d0b6c37c002344f
Diameter
262978558
Circumference
826171505.86444
Area
5.431634781823E+16
Volume
9.5226898833763E+24
Surface area
2.1726539127292E+17
Circumference
826171505.86444
Perimeter
525957116
Area
17289430491939841
Diagonal
185953921.66846
Surface area
103736582951639046
Volume
2.2733747497058E+24
Space diagonal
227746111.8786
Perimeter
394467837
Area
7.4865430114926E+15
Altitude
113873055.9393
Surface area
7.4865430114926E+15
Volume
2.6791978361587E+23
Height
61984640.556153