81121112 (number)

81121112 is an even 8-digits composite number following 81121111 and preceding 81121113. In scientific notation, it is written as 8.1121112 × 10^7. The sum of its digits is 17. It has a total of 5 prime factors and 16 positive divisors. There are 40413024 positive integers (up to 81121112) that are relatively prime to 81121112.

Interesting facts

Basic properties

Name

Name eighty-one million one hundred twenty-one thousand one hundred twelve

Notation

Scientific notation 8.1121112 × 10^7
Engineering notation 8.1121112 × 10^6

Prime Factorization of 81121112

Prime Factorization 2 × 2 × 2 × 277 × 36607

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 20280278
Product of the distinct prime numbers

The prime factorization of 81121112 is 2 × 2 × 2 × 277 × 36607. Since it has a total of 5 prime factors.

Most popular turbo-numbers

10, 4, 43, 34, 874, 578, 4126, 2496, 45561, 53378, 406165, 996927, 8560111, 7552635, 56608372, 7653341, 212412221, 426469655, 9700723405, 1411497407

Basic calculations (n = 81121112)

Multiplication

n×y
n×2 162242224
n×3 243363336
n×4 324484448
n×5 405605560

Division

n÷y
n÷2 40560556
n÷3 27040370.666667
n÷3 20280278
n÷5 16224222.4

Exponentiation

ny
n2 6580634812116544
n3 5.3382841362481E+23
n4 4.330475453044E+31
n5 3.5129298423963E+39

Nth Root

y√n
2√n 9006.7259312139
3√n 432.89041028264
4√n 94.903771954616
5√n 38.179196046951

Divisors of 81121112

1, 2, 4, 8, 277, 554, 1108, 2216, 36607, 73214, 146428, 292856, 10140139, 20280278, 40560556, 81121112

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 -81121111
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 81121112 can be divided by 16 positive divisors. The sum of these divisors (counting 81121112) is 1, the average is 0.0625.

Base conversion 81121112

Base System Value
2 Binary 100110101011100111101011000
3 Ternary 12122122101020122
4 Quaternary 10311130331120
5 Quinary 131231333422
6 Senary 12014412412
8 Octal 465347530
10 Decimal 81121112
12 Duodecimal 23201108
16 Hexadecimal 4d5cf58
20 Vigesimal 15702fc
36 Base36 1capg8

Cryptographic Hash Functions

md5 a043deeb4462a039b1fcba857e8aacfe
sha1 84eb9b6a31a1888f98bc7558c520c118f740694c
sha256 fea119b6781a34c4b014bae9559d069b2305da8f46ebc5eab2e1117218a01812
sha512 fd6d016a6a6ab3916e4c0c87b5fbfb04d8eca13b5a69f41286666136caa5d82150f0540ab1f55ffab5f710a67a13d27f9059a4b11f9292b51c4025a66a4639a8
ripemd-160 ab73dfa799e45ab7c3874a767b34c4d084db4d23

81121112 as geometric shapes

Circle

Radius = n
Diameter 162242224
Circumference 509698979.02047
Area 2.0673673981703E+16

Sphere

Radius = n
Volume 2.2360952300282E+24
Surface area 8.269469592681E+16
Circumference 509698979.02047

Square

Length = n
Perimeter 324484448
Area 6580634812116544
Diagonal 114722576.78519

Cube

Length = n
Surface area 39483808872699264
Volume 5.3382841362481E+23
Space diagonal 140505887.55049

Equilateral Triangle

Length = n
Perimeter 243363336
Area 2.8494984601606E+15
Altitude 70252943.775243

Triangular Pyramid

Length = n
Surface area 2.8494984601606E+15
Volume 6.2912281877359E+22
Height 38240858.928396