131878981 (number)

131878981 is an odd 9-digits composite number following 131878980 and preceding 131878982. In scientific notation, it is written as 1.31878981 × 10^8. The sum of its digits is 46. It has a total of 5 prime factors and 24 positive divisors. There are 113420736 positive integers (up to 131878981) that are relatively prime to 131878981.

Interesting facts

Basic properties

Name

Name one hundred thirty-one million eight hundred seventy-eight thousand nine hundred eighty-one

Notation

Scientific notation 1.31878981 × 10^8
Engineering notation 1.31878981 × 10^6

Prime Factorization of 131878981

Prime Factorization 19 × 13 × 13 × 67 × 613

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10144537
Product of the distinct prime numbers

The prime factorization of 131878981 is 19 × 13 × 13 × 67 × 613. Since it has a total of 5 prime factors.

Most popular turbo-numbers

5, 5, 21, 73, 188, 363, 5861, 985, 71080, 52893, 756485, 744559, 1723415, 7429223, 5649037, 62402518, 450845641, 315242361, 7726963685, 6447520257

Basic calculations (n = 131878981)

Multiplication

n×y
n×2 263757962
n×3 395636943
n×4 527515924
n×5 659394905

Division

n÷y
n÷2 65939490.5
n÷3 43959660.333333
n÷3 32969745.25
n÷5 26375796.2

Exponentiation

ny
n2 17392065629598361
n3 2.2936478927166E+24
n4 3.0248394686426E+32
n5 3.9891274681316E+40

Nth Root

y√n
2√n 11483.857409425
3√n 509.00868696761
4√n 107.16276129993
5√n 42.076064923584

Divisors of 131878981

1, 13, 19, 67, 169, 247, 613, 871, 1273, 3211, 7969, 11323, 11647, 16549, 41071, 103597, 151411, 215137, 533923, 780349, 1968343, 6940999, 10144537, 131878981

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -131878980
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 131878981 can be divided by 24 positive divisors. The sum of these divisors (counting 131878981) is 1, the average is 0.041666666666667.

Base conversion 131878981

Base System Value
2 Binary 111110111000101000001000101
3 Ternary 100012011010221201
4 Quaternary 13313011001011
5 Quinary 232230111411
6 Senary 21030342501
8 Octal 767050105
10 Decimal 131878981
12 Duodecimal 381baa31
16 Hexadecimal 7dc5045
20 Vigesimal 2144h91
36 Base36 26imh1

Cryptographic Hash Functions

md5 2338df86c7a2288e157885070fe0e26f
sha1 550eafbae3dc4a0c086953c66157590e2ffa4d07
sha256 f97007693cc397f29beff02ec71459b2ef7472e2d3479faa6ceec0af497be89c
sha512 610ec76d67a248bb8013fe88f63e19b9f752d3413ec290729bf75ae267b5d55b4028b6c055509096eab831df302ed636590424667059cc36e21732c79b737ede
ripemd-160 df4e115e1b714968f96c3ce4fece17379937cb9e

131878981 as geometric shapes

Circle

Radius = n
Diameter 263757962
Circumference 828620075.74502
Area 5.4638785612698E+16

Sphere

Radius = n
Volume 9.6076098262401E+24
Surface area 2.1855514245079E+17
Circumference 828620075.74502

Square

Length = n
Perimeter 527515924
Area 17392065629598361
Diagonal 186505043.52214

Cube

Length = n
Surface area 104352393777590166
Volume 2.2936478927166E+24
Space diagonal 228421095.54241

Equilateral Triangle

Length = n
Perimeter 395636943
Area 7.5309853297592E+15
Altitude 114210547.77121

Triangular Pyramid

Length = n
Surface area 7.5309853297592E+15
Volume 2.7030899643235E+23
Height 62168347.840715