81884792 (number)

81884792 is an even 8-digits composite number following 81884791 and preceding 81884793. In scientific notation, it is written as 8.1884792 × 10^7. The sum of its digits is 47. It has a total of 5 prime factors and 16 positive divisors. There are 37220320 positive integers (up to 81884792) that are relatively prime to 81884792.

Interesting facts

Basic properties

Name

Name eighty-one million eight hundred eighty-four thousand seven hundred ninety-two

Notation

Scientific notation 8.1884792 × 10^7
Engineering notation 8.1884792 × 10^6

Prime Factorization of 81884792

Prime Factorization 2 × 2 × 2 × 11 × 930509

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 20471198
Product of the distinct prime numbers

The prime factorization of 81884792 is 2 × 2 × 2 × 11 × 930509. Since it has a total of 5 prime factors.

Most popular turbo-numbers

3, 6, 93, 35, 131, 218, 9893, 8235, 47339, 21445, 936376, 892301, 7860925, 579300, 47350639, 10232716, 189577472, 409739756, 1827401829, 2076898869

Basic calculations (n = 81884792)

Multiplication

n×y
n×2 163769584
n×3 245654376
n×4 327539168
n×5 409423960

Division

n÷y
n÷2 40942396
n÷3 27294930.666667
n÷3 20471198
n÷5 16376958.4

Exponentiation

ny
n2 6705119160883264
n3 5.4904728782414E+23
n4 4.4958622961644E+31
n5 3.6814274898206E+39

Nth Root

y√n
2√n 9049.0216045714
3√n 434.24459019807
4√n 95.126345481004
5√n 38.250811217298

Divisors of 81884792

1, 2, 4, 8, 11, 22, 44, 88, 930509, 1861018, 3722036, 7444072, 10235599, 20471198, 40942396, 81884792

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81884791
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81884792 can be divided by 16 positive divisors. The sum of these divisors (counting 81884792) is 1, the average is 0.0625.

Base conversion 81884792

Base System Value
2 Binary 100111000010111011001111000
3 Ternary 12201002011211002
4 Quaternary 10320113121320
5 Quinary 131430303132
6 Senary 12043024132
8 Octal 470273170
10 Decimal 81884792
12 Duodecimal 2350b048
16 Hexadecimal 4e17678
20 Vigesimal 15bfbjc
36 Base36 1cr2pk

Cryptographic Hash Functions

md5 0e791f0f210163363ba462bc2aad2a16
sha1 654c84cc886203cd12f17aac9e142e42f6a4447a
sha256 f90242df19b434605379a018ce1181aa3bbba34771788155bc780ab13e6ee4c4
sha512 c75176802b1a20ea327fb6a0958bd705fede1287c3dd52267818a0da1717598f5964abc055ec7ba103117dd2a91a126b8f71041af2bb0a718706d1c529e71ec4
ripemd-160 dca3b12c6113e117ed782dc3814d58d5c2d1238e

81884792 as geometric shapes

Circle

Radius = n
Diameter 163769584
Circumference 514497321.97586
Area 2.1064753097275E+16

Sphere

Radius = n
Volume 2.2998439012023E+24
Surface area 8.42590123891E+16
Circumference 514497321.97586

Square

Length = n
Perimeter 327539168
Area 6705119160883264
Diagonal 115802583.3985

Cube

Length = n
Surface area 40230714965299584
Volume 5.4904728782414E+23
Space diagonal 141828620.11121

Equilateral Triangle

Length = n
Perimeter 245654376
Area 2.9034017643634E+15
Altitude 70914310.055605

Triangular Pyramid

Length = n
Surface area 2.9034017643634E+15
Volume 6.4705843402089E+22
Height 38600861.132833