81550129 (number)

81550129 is an odd 8-digits composite number following 81550128 and preceding 81550130. In scientific notation, it is written as 8.1550129 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 80586576 positive integers (up to 81550129) that are relatively prime to 81550129.

Interesting facts

Basic properties

Name

Name eighty-one million five hundred fifty thousand one hundred twenty-nine

Notation

Scientific notation 8.1550129 × 10^7
Engineering notation 8.1550129 × 10^6

Prime Factorization of 81550129

Prime Factorization 283 × 127 × 2269

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81550129
Product of the distinct prime numbers

The prime factorization of 81550129 is 283 × 127 × 2269. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81550129)

Multiplication

n×y
n×2 163100258
n×3 244650387
n×4 326200516
n×5 407750645

Division

n÷y
n÷2 40775064.5
n÷3 27183376.333333
n÷3 20387532.25
n÷5 16310025.8

Exponentiation

ny
n2 6650423539916641
n3 5.4234289758484E+23
n4 4.4228133260277E+31
n5 3.6068099728048E+39

Nth Root

y√n
2√n 9030.5110043674
3√n 433.65219680278
4√n 95.029000859566
5√n 38.219493778084

Divisors of 81550129

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81550128
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81550129 can be divided by 8 positive divisors. The sum of these divisors (counting 81550129) is 1, the average is 0.125.

Base conversion 81550129

Base System Value
2 Binary 100110111000101101100110001
3 Ternary 12200110011202011
4 Quaternary 10313011230301
5 Quinary 131334101004
6 Senary 12031522521
8 Octal 467055461
10 Decimal 81550129
12 Duodecimal 23389441
16 Hexadecimal 4dc5b31
20 Vigesimal 159df69
36 Base36 1cjwhd

Cryptographic Hash Functions

md5 8946f9f4bae472cf0a5f42300e7b5af1
sha1 9b1d2089dd60879a29657e30d91162fae91b1bc4
sha256 0fdfabec3c76f41d99c002c4d49dd5c56ae597a0b677b378a2d1d8336ef8a626
sha512 04a565eee088aceeeeb54a55d8e672e6723cf3dca7fd8c7b51261d0519958bfd82db7e1aaadbfce6f4211814614fcb65715fba9eba7d7639c99e16d74962c258
ripemd-160 4a1edd7ba5155782e11107926919160db1a5193e

81550129 as geometric shapes

Circle

Radius = n
Diameter 163100258
Circumference 512394572.3314
Area 2.0892921736263E+16

Sphere

Radius = n
Volume 2.2717606170388E+24
Surface area 8.3571686945051E+16
Circumference 512394572.3314

Square

Length = n
Perimeter 326200516
Area 6650423539916641
Diagonal 115329298.44508

Cube

Length = n
Surface area 39902541239499846
Volume 5.4234289758484E+23
Space diagonal 141248966.7918

Equilateral Triangle

Length = n
Perimeter 244650387
Area 2.8797178657469E+15
Altitude 70624483.395898

Triangular Pyramid

Length = n
Surface area 2.8797178657469E+15
Volume 6.39157234351E+22
Height 38443099.481692