81418084 (number)

81418084 is an even 8-digits composite number following 81418083 and preceding 81418085. In scientific notation, it is written as 8.1418084 × 10^7. The sum of its digits is 34. It has a total of 5 prime factors and 24 positive divisors. There are 36915840 positive integers (up to 81418084) that are relatively prime to 81418084.

Interesting facts

Basic properties

Name

Name eighty-one million four hundred eighteen thousand eighty-four

Notation

Scientific notation 8.1418084 × 10^7
Engineering notation 8.1418084 × 10^6

Prime Factorization of 81418084

Prime Factorization 2 × 2 × 4177 × 11 × 443

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 40709042
Product of the distinct prime numbers

The prime factorization of 81418084 is 2 × 2 × 4177 × 11 × 443. Since it has a total of 5 prime factors.

Most popular turbo-numbers

2, 3, 17, 43, 284, 62, 1946, 6124, 10579, 33406, 967227, 905746, 4261660, 6212370, 17484501, 43776708, 466072731, 134893102, 9404004586, 9750411723

Basic calculations (n = 81418084)

Multiplication

n×y
n×2 162836168
n×3 244254252
n×4 325672336
n×5 407090420

Division

n÷y
n÷2 40709042
n÷3 27139361.333333
n÷3 20354521
n÷5 16283616.8

Exponentiation

ny
n2 6628904402231056
n3 5.3971269544882E+23
n4 4.3942373573918E+31
n5 3.5777038628007E+39

Nth Root

y√n
2√n 9023.1969944139
3√n 433.41801553444
4√n 94.990510022917
5√n 38.20710884402

Divisors of 81418084

1, 2, 4, 11, 22, 44, 443, 886, 1772, 4177, 4873, 8354, 9746, 16708, 19492, 45947, 91894, 183788, 1850411, 3700822, 7401644, 20354521, 40709042, 81418084

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 -81418083
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 81418084 can be divided by 24 positive divisors. The sum of these divisors (counting 81418084) is 1, the average is 0.041666666666667.

Base conversion 81418084

Base System Value
2 Binary 100110110100101011101100100
3 Ternary 12200012110121121
4 Quaternary 10312211131210
5 Quinary 131320334314
6 Senary 12025023324
8 Octal 466453544
10 Decimal 81418084
12 Duodecimal 23324b44
16 Hexadecimal 4da5764
20 Vigesimal 158h544
36 Base36 1ch2lg

Cryptographic Hash Functions

md5 8fd4ecdc6354a7df2bdd7f1e46b35401
sha1 0786e7b91371e1c3a8fb73d94c30d8565c9d6c1c
sha256 74210498a470374e15fbcab73091a5cef9ce682cb5548e9892419801638087f0
sha512 98a217fd403cf9bdf55fa746f1497c6e8ce31c403c0951094d0041e606051592eed6e0b99bef720cb9275a2c265b184e497da79b2b0691f9f92036123fcaa843
ripemd-160 5e2701cbbdb887b7139a7699e78a9747d23514fd

81418084 as geometric shapes

Circle

Radius = n
Diameter 162836168
Circumference 511564909.12751
Area 2.0825317371398E+16

Sphere

Radius = n
Volume 2.2607432520949E+24
Surface area 8.3301269485592E+16
Circumference 511564909.12751

Square

Length = n
Perimeter 325672336
Area 6628904402231056
Diagonal 115142558.61523

Cube

Length = n
Surface area 39773426413386336
Volume 5.3971269544882E+23
Space diagonal 141020258.14291

Equilateral Triangle

Length = n
Perimeter 244254252
Area 2.8703998057953E+15
Altitude 70510129.071455

Triangular Pyramid

Length = n
Surface area 2.8703998057953E+15
Volume 6.3605751140722E+22
Height 38380852.871744