131489278 is an even 9-digits composite number following 131489277
and preceding 131489279 . In scientific notation, it is written as 1.31489278 × 10^8.
The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors.
There are 65744638 positive integers (up to 131489278) that are relatively prime to 131489278.
131489278 has 4 divisors, whose sum is 197233920
The reverse of 131489278 is 872984131
Previous prime number is 2
Is Prime? no Number parity even Number length 9 Sum of Digits 43 Digital Root 7
Name
one hundred thirty-one million four hundred eighty-nine thousand two hundred seventy-eight
Scientific notation
1.31489278 × 10^8
Engineering notation
1.31489278 × 10^6
Prime Factorization
2 × 65744639
Composite number
ω Distinct Factors
2 Total number of distinct prime factors
Ω Total Factors
2 Total number of prime factors
rad Radical
131489278 Product of the distinct prime numbers
The prime factorization of 131489278 is 2 × 65744639.
Since it has a total of 2 prime factors.
2 , 9 , 28 , 90 , 716 , 123 , 8104 , 1002 , 3605 , 13483 , 380253 , 714129 , 7117768 , 8313013 , 14734948 , 11108109 , 367680248 , 823647347 , 1873915631 , 4269005601
n×2
262978556
n×3
394467834
n×4
525957112
n×5
657446390
n÷2
65744639
n÷3
43829759.333333
n÷3
32872319.5
n÷5
26297855.6
n2
17289430228961284
n3
2.2733746978375E+24
n4
2.9892439764212E+32
n5
3.9305353222547E+40
2 √n11466.877430234
3 √n508.50681795783
4 √n107.08350680769
5 √n42.051168485163
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
-131489277 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 131489278 can be divided by 4 positive divisors.
The sum of these divisors (counting 131489278) is 1, the average is 0.25.
Base
System
Value
2
Binary
111110101100101110111111110
3
Ternary
100011102100101021
4
Quaternary
13311211313332
5
Quinary
232130124103
6
Senary
21014134354
8
Octal
765456776
10
Decimal
131489278
12
Duodecimal
380513ba
16
Hexadecimal
7d65dfe
20
Vigesimal
211g33i
36
Base36
26a9ry
md5
c10a3473b35d4f85b8743caec92718f2
sha1
d04b76652c3210c1ab24877d83703f85c49d4a1a
sha256
ea91838a1f436a1b0902773a222fb5c2eb9371c74f81f24088f4cd96f863f06d
sha512
37e6c1c9e5e43b0b8def6e83d1fb9056f9b90e67681b77bfcf207bf339840a4b848f1aa245b38f85c030db2fc93e1d302d98ef204e0e08d19a1541afec2c3dc4
ripemd-160
024946b934bc775326907823c5192b2a6ba3d68d
Diameter
262978556
Circumference
826171499.58125
Area
5.4316346992058E+16
Volume
9.5226896661109E+24
Surface area
2.1726538796823E+17
Circumference
826171499.58125
Perimeter
525957112
Area
17289430228961284
Diagonal
185953920.25425
Surface area
103736581373767704
Volume
2.2733746978375E+24
Space diagonal
227746110.14655
Perimeter
394467834
Area
7.4865428976195E+15
Altitude
113873055.07327
Surface area
7.4865428976195E+15
Volume
2.6791977750314E+23
Height
61984640.084749