81550135 (number)

81550135 is an odd 8-digits composite number following 81550134 and preceding 81550136. In scientific notation, it is written as 8.1550135 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 65240104 positive integers (up to 81550135) that are relatively prime to 81550135.

Interesting facts

Basic properties

Name

Name eighty-one million five hundred fifty thousand one hundred thirty-five

Notation

Scientific notation 8.1550135 × 10^7
Engineering notation 8.1550135 × 10^6

Prime Factorization of 81550135

Prime Factorization 5 × 16310027

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81550135
Product of the distinct prime numbers

The prime factorization of 81550135 is 5 × 16310027. Since it has a total of 2 prime factors.

Most popular turbo-numbers

5, 1, 20, 68, 588, 79, 6101, 7131, 93625, 17527, 739425, 281609, 8484241, 6360773, 37152538, 99917795, 202805846, 395432688, 9365119894, 2354969860

Basic calculations (n = 81550135)

Multiplication

n×y
n×2 163100270
n×3 244650405
n×4 326200540
n×5 407750675

Division

n÷y
n÷2 40775067.5
n÷3 27183378.333333
n÷3 20387533.75
n÷5 16310027

Exponentiation

ny
n2 6650424518518225
n3 5.4234301729247E+23
n4 4.4228146276508E+31
n5 3.606811299649E+39

Nth Root

y√n
2√n 9030.5113365745
3√n 433.65220743801
4√n 95.029002607491
5√n 38.21949434048

Divisors of 81550135

1, 5, 16310027, 81550135

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 -81550134
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 81550135 can be divided by 4 positive divisors. The sum of these divisors (counting 81550135) is 1, the average is 0.25.

Base conversion 81550135

Base System Value
2 Binary 100110111000101101100110111
3 Ternary 12200110011202101
4 Quaternary 10313011230313
5 Quinary 131334101020
6 Senary 12031522531
8 Octal 467055467
10 Decimal 81550135
12 Duodecimal 23389447
16 Hexadecimal 4dc5b37
20 Vigesimal 159df6f
36 Base36 1cjwhj

Cryptographic Hash Functions

md5 a8bef966417f049cb805c31b289f105a
sha1 cb28dae12cbcec16029ff4737bdb0f6a4199f9df
sha256 7e55a74f5ce09026a4dba7e77d0eed43409ba3453cade8af946314d20b01ad4b
sha512 1447698efa4876d1170926963713b1fdcfc7bc6d9cadbdb982b62cfbe5f5748f958fc62f4fe1b02b30ede65219663d4a7cbb36ee726d139e234abe4645f1bbb6
ripemd-160 00d7994e0ea23c76da65bcd1dfe05eb9fa5abd3e

81550135 as geometric shapes

Circle

Radius = n
Diameter 163100270
Circumference 512394610.03051
Area 2.089292481063E+16

Sphere

Radius = n
Volume 2.271761118469E+24
Surface area 8.3571699242521E+16
Circumference 512394610.03051

Square

Length = n
Perimeter 326200540
Area 6650424518518225
Diagonal 115329306.93036

Cube

Length = n
Surface area 39902547111109350
Volume 5.4234301729247E+23
Space diagonal 141248977.1841

Equilateral Triangle

Length = n
Perimeter 244650405
Area 2.8797182894938E+15
Altitude 70624488.59205

Triangular Pyramid

Length = n
Surface area 2.8797182894938E+15
Volume 6.391573754278E+22
Height 38443102.310119