81121104 (number)

81121104 is an even 8-digits composite number following 81121103 and preceding 81121105. In scientific notation, it is written as 8.1121104 × 10^7. The sum of its digits is 18. It has a total of 7 prime factors and 40 positive divisors. There are 26666496 positive integers (up to 81121104) that are relatively prime to 81121104.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1121104 × 10^7
Engineering notation 8.1121104 × 10^6

Prime Factorization of 81121104

Prime Factorization 2 × 2 × 2 × 2 × 9 × 73 × 7717

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 10140138
Product of the distinct prime numbers

The prime factorization of 81121104 is 2 × 2 × 2 × 2 × 9 × 73 × 7717. Since it has a total of 7 prime factors.

Most popular turbo-numbers

3, 1, 1, 62, 659, 470, 7635, 3574, 34323, 27311, 41551, 675314, 7667605, 2620573, 97088617, 17103402, 45989746, 557557976, 278301620, 9643174863

Basic calculations (n = 81121104)

Multiplication

n×y
n×2 162242208
n×3 243363312
n×4 324484416
n×5 405605520

Division

n÷y
n÷2 40560552
n÷3 27040368
n÷3 20280276
n÷5 16224220.8

Exponentiation

ny
n2 6580633514178816
n3 5.3382825568959E+23
n4 4.3304737447933E+31
n5 3.5129281102065E+39

Nth Root

y√n
2√n 9006.7254871013
3√n 432.89039605238
4√n 94.903769614812
5√n 38.17919529392

Divisors of 81121104

1, 2, 4, 8, 9, 16, 18, 36, 72, 73, 144, 146, 292, 584, 657, 1168, 1314, 2628, 5256, 7717, 10512, 15434, 30868, 61736, 69453, 123472, 138906, 277812, 555624, 563341, 1111248, 1126682, 2253364, 4506728, 5070069, 9013456, 10140138, 20280276, 40560552, 81121104

40 divisors

τ Total Divisors 40
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81121103
Sum of the proper positive divisors of n
A Arithmetic Mean 0.025
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 40
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81121104 can be divided by 40 positive divisors. The sum of these divisors (counting 81121104) is 1, the average is 0.025.

Base conversion 81121104

Base System Value
2 Binary 100110101011100111101010000
3 Ternary 12122122101020100
4 Quaternary 10311130331100
5 Quinary 131231333404
6 Senary 12014412400
8 Octal 465347520
10 Decimal 81121104
12 Duodecimal 23201100
16 Hexadecimal 4d5cf50
20 Vigesimal 15702f4
36 Base36 1capg0

Cryptographic Hash Functions

md5 68ba9a3843f78b401e0a7e25f4a5af25
sha1 fbd88db664a087ca2f36017a4a7870817564bfb1
sha256 1b7f5ba404102756015f48eaf38f7cee6a6fe7aa400e915cdd91df7dffc7b334
sha512 59e0b7c8195d78f1d56d6339b9d1b4c5bd82855d0428f156ca80b7fae5e414f6544929d2d3c0acbf2f28433e19e68116044cdaa331a13d2168e8fae1edb5a7a0
ripemd-160 d27170bb7c05bef0a282f91cc6a0af3cfaad8372

81121104 as geometric shapes

Circle

Radius = n
Diameter 162242208
Circumference 509698928.75499
Area 2.0673669904111E+16

Sphere

Radius = n
Volume 2.2360945684707E+24
Surface area 8.2694679616444E+16
Circumference 509698928.75499

Square

Length = n
Perimeter 324484416
Area 6580633514178816
Diagonal 114722565.47148

Cube

Length = n
Surface area 39483801085072896
Volume 5.3382825568959E+23
Space diagonal 140505873.69408

Equilateral Triangle

Length = n
Perimeter 243363312
Area 2.8494978981371E+15
Altitude 70252936.847039

Triangular Pyramid

Length = n
Surface area 2.8494978981371E+15
Volume 6.2912263264515E+22
Height 38240855.157159