81092012 (number)

81092012 is an even 8-digits composite number following 81092011 and preceding 81092013. In scientific notation, it is written as 8.1092012 × 10^7. The sum of its digits is 23. It has a total of 5 prime factors and 24 positive divisors. There are 39216960 positive integers (up to 81092012) that are relatively prime to 81092012.

Interesting facts

Basic properties

Name

Name eighty-one million ninety-two thousand twelve

Notation

Scientific notation 8.1092012 × 10^7
Engineering notation 8.1092012 × 10^6

Prime Factorization of 81092012

Prime Factorization 2 × 2 × 37 × 179 × 3061

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 40546006
Product of the distinct prime numbers

The prime factorization of 81092012 is 2 × 2 × 37 × 179 × 3061. Since it has a total of 5 prime factors.

Most popular turbo-numbers

5, 10, 59, 2, 26, 64, 9280, 1419, 52248, 3533, 553125, 241004, 8982990, 2744787, 63379496, 46274462, 223155344, 410906042, 4656027243, 7630338330

Basic calculations (n = 81092012)

Multiplication

n×y
n×2 162184024
n×3 243276036
n×4 324368048
n×5 405460060

Division

n÷y
n÷2 40546006
n÷3 27030670.666667
n÷3 20273003
n÷5 16218402.4

Exponentiation

ny
n2 6575914410208144
n3 5.3325413026357E+23
n4 4.3242650330383E+31
n5 3.5066335195032E+39

Nth Root

y√n
2√n 9005.1103269199
3√n 432.83864152513
4√n 94.895259770549
5√n 38.176456503494

Divisors of 81092012

1, 2, 4, 37, 74, 148, 179, 358, 716, 3061, 6122, 6623, 12244, 13246, 26492, 113257, 226514, 453028, 547919, 1095838, 2191676, 20273003, 40546006, 81092012

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 -81092011
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 81092012 can be divided by 24 positive divisors. The sum of these divisors (counting 81092012) is 1, the average is 0.041666666666667.

Base conversion 81092012

Base System Value
2 Binary 100110101010101110110101100
3 Ternary 12122120220022212
4 Quaternary 10311111312230
5 Quinary 131224421022
6 Senary 12014025552
8 Octal 465256654
10 Decimal 81092012
12 Duodecimal 231a82b8
16 Hexadecimal 4d55dac
20 Vigesimal 156ga0c
36 Base36 1ca2zw

Cryptographic Hash Functions

md5 0227419974529f5fc6c61635b2db948b
sha1 eace851495df8d59187c70bc4d2ea99a9ea1345d
sha256 8de41d87c26b361f2e3258291279dd0401334d153f998e64551b9e9c8e71c85d
sha512 1d8f931b98c308e78b18183b955d8c2ac7c80d8d67de0322db41e1bbb8798c5bf0a79608dc0977225ed78041c628f0bce21606527822a636e82d9fc86321b733
ripemd-160 7bfa99c213176752a166932f59d7bfeec0ff2949

81092012 as geometric shapes

Circle

Radius = n
Diameter 162184024
Circumference 509516138.32803
Area 2.0658844401745E+16

Sphere

Radius = n
Volume 2.2336896775099E+24
Surface area 8.2635377606981E+16
Circumference 509516138.32803

Square

Length = n
Perimeter 324368048
Area 6575914410208144
Diagonal 114681423.17052

Cube

Length = n
Surface area 39455486461248864
Volume 5.3325413026357E+23
Space diagonal 140455484.87199

Equilateral Triangle

Length = n
Perimeter 243276036
Area 2.8474544661762E+15
Altitude 70227742.435993

Triangular Pyramid

Length = n
Surface area 2.8474544661762E+15
Volume 6.2844601934184E+22
Height 38227141.056841