81484311 (number)

81484311 is an odd 8-digits composite number following 81484310 and preceding 81484312. In scientific notation, it is written as 8.1484311 × 10^7. The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors. There are 54322872 positive integers (up to 81484311) that are relatively prime to 81484311.

Interesting facts

Basic properties

Name

Name eighty-one million four hundred eighty-four thousand three hundred eleven

Notation

Scientific notation 8.1484311 × 10^7
Engineering notation 8.1484311 × 10^6

Prime Factorization of 81484311

Prime Factorization 3 × 27161437

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81484311
Product of the distinct prime numbers

The prime factorization of 81484311 is 3 × 27161437. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81484311)

Multiplication

n×y
n×2 162968622
n×3 244452933
n×4 325937244
n×5 407421555

Division

n÷y
n÷2 40742155.5
n÷3 27161437
n÷3 20371077.75
n÷5 16296862.2

Exponentiation

ny
n2 6639692939144721
n3 5.4103080439777E+23
n4 4.4085522326128E+31
n5 3.5922784118197E+39

Nth Root

y√n
2√n 9026.8660674677
3√n 433.53550047241
4√n 95.009820900093
5√n 38.213322498735

Divisors of 81484311

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 -81484310
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 81484311 can be divided by 4 positive divisors. The sum of these divisors (counting 81484311) is 1, the average is 0.25.

Base conversion 81484311

Base System Value
2 Binary 100110110110101101000010111
3 Ternary 12200022211110110
4 Quaternary 10312311220113
5 Quinary 131324444221
6 Senary 12030254103
8 Octal 466655027
10 Decimal 81484311
12 Duodecimal 23357333
16 Hexadecimal 4db5a17
20 Vigesimal 1595afb
36 Base36 1cihp3

Cryptographic Hash Functions

md5 a0a7a06eb3788be02eb078fda6379cba
sha1 482215e9889b45c24d3c5706b000fbdc1a57e64b
sha256 6a4b3c2f903bb2f7ba2f57fadeb2343e5fcb0210805111e06a359742c2c69ea1
sha512 d060dd3578dd1c1a6f559aeb6ed036b03064a575d364caba0cd1c58c9006070ddc9566b69c7ff23b508d4171dfe3d5be93fd499ce2c765eedc6fe3773d5c3be1
ripemd-160 3cb9637f50514bb492f9c848545759d2dfa219ce

81484311 as geometric shapes

Circle

Radius = n
Diameter 162968622
Circumference 511981025.64085
Area 2.0859210559709E+16

Sphere

Radius = n
Volume 2.2662645339491E+24
Surface area 8.3436842238836E+16
Circumference 511981025.64085

Square

Length = n
Perimeter 325937244
Area 6639692939144721
Diagonal 115236217.73683

Cube

Length = n
Surface area 39838157634868326
Volume 5.4103080439777E+23
Space diagonal 141134966.67174

Equilateral Triangle

Length = n
Perimeter 244452933
Area 2.8750713793137E+15
Altitude 70567483.335872

Triangular Pyramid

Length = n
Surface area 2.8750713793137E+15
Volume 6.376109177008E+22
Height 38412072.578942