81094791 (number)

81094791 is an odd 8-digits composite number following 81094790 and preceding 81094792. In scientific notation, it is written as 8.1094791 × 10^7. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 52319160 positive integers (up to 81094791) that are relatively prime to 81094791.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1094791 × 10^7
Engineering notation 8.1094791 × 10^6

Prime Factorization of 81094791

Prime Factorization 3 × 31 × 871987

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81094791
Product of the distinct prime numbers

The prime factorization of 81094791 is 3 × 31 × 871987. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81094791)

Multiplication

n×y
n×2 162189582
n×3 243284373
n×4 324379164
n×5 405473955

Division

n÷y
n÷2 40547395.5
n÷3 27031597
n÷3 20273697.75
n÷5 16218958.2

Exponentiation

ny
n2 6576365127333681
n3 5.3330895554081E+23
n4 4.3248578288011E+31
n5 3.5072344173134E+39

Nth Root

y√n
2√n 9005.2646268724
3√n 432.84358588736
4√n 94.896072768437
5√n 38.176718159151

Divisors of 81094791

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81094790
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81094791 can be divided by 8 positive divisors. The sum of these divisors (counting 81094791) is 1, the average is 0.125.

Base conversion 81094791

Base System Value
2 Binary 100110101010110100010000111
3 Ternary 12122121001010210
4 Quaternary 10311112202013
5 Quinary 131230013131
6 Senary 12014050503
8 Octal 465264207
10 Decimal 81094791
12 Duodecimal 231a9a33
16 Hexadecimal 4d56887
20 Vigesimal 156ggjb
36 Base36 1ca553

Cryptographic Hash Functions

md5 6965a7a042de3bd574388f48ebd9458b
sha1 4d1b5d26b154302d4117f16a4c52725cb45ce418
sha256 dff6b69ac1a88b347f38ac9f5b5be6f41ee0cfd3fb98baf1b4255490d0d9679f
sha512 e65bc2a8fdace6b268502c0c737994f2505687ff6b1bf77102de03e05f609d92c480f9384c7cccff57b17e73a365da569cffdbcb93230886159897778a58f460
ripemd-160 9fee81ec8b875421bfd5728925654331e7b0f038

81094791 as geometric shapes

Circle

Radius = n
Diameter 162189582
Circumference 509533599.3
Area 2.0660260371356E+16

Sphere

Radius = n
Volume 2.2339193290942E+24
Surface area 8.2641041485422E+16
Circumference 509533599.3

Square

Length = n
Perimeter 324379164
Area 6576365127333681
Diagonal 114685353.27001

Cube

Length = n
Surface area 39458190764002086
Volume 5.3330895554081E+23
Space diagonal 140460298.24118

Equilateral Triangle

Length = n
Perimeter 243284373
Area 2.8476496324165E+15
Altitude 70230149.12059

Triangular Pyramid

Length = n
Surface area 2.8476496324165E+15
Volume 6.2851063155071E+22
Height 38228451.090004