81076908 (number)

81076908 is an even 8-digits composite number following 81076907 and preceding 81076909. In scientific notation, it is written as 8.1076908 × 10^7. The sum of its digits is 39. It has a total of 4 prime factors and 12 positive divisors. There are 24568720 positive integers (up to 81076908) that are relatively prime to 81076908.

Interesting facts

Basic properties

Name

Name eighty-one million seventy-six thousand nine hundred eight

Notation

Scientific notation 8.1076908 × 10^7
Engineering notation 8.1076908 × 10^6

Prime Factorization of 81076908

Prime Factorization 2 × 2 × 33 × 614219

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 40538454
Product of the distinct prime numbers

The prime factorization of 81076908 is 2 × 2 × 33 × 614219. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 7, 94, 23, 95, 538, 7230, 1619, 80330, 55456, 113053, 387819, 4052760, 7048165, 4059020, 44213149, 164928477, 818486412, 3892609070, 9516184454

Basic calculations (n = 81076908)

Multiplication

n×y
n×2 162153816
n×3 243230724
n×4 324307632
n×5 405384540

Division

n÷y
n÷2 40538454
n÷3 27025636
n÷3 20269227
n÷5 16215381.6

Exponentiation

ny
n2 6573465010840464
n3 5.3295621792513E+23
n4 4.3210442248744E+31
n5 3.5033690508407E+39

Nth Root

y√n
2√n 9004.2716529434
3√n 432.81176670061
4√n 94.890840722081
5√n 38.175034266829

Divisors of 81076908

1, 2, 4, 33, 66, 132, 614219, 1228438, 2456876, 20269227, 40538454, 81076908

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81076907
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81076908 can be divided by 12 positive divisors. The sum of these divisors (counting 81076908) is 1, the average is 0.083333333333333.

Base conversion 81076908

Base System Value
2 Binary 100110101010010001010101100
3 Ternary 12122120010121110
4 Quaternary 10311102022230
5 Quinary 131223430113
6 Senary 12013432020
8 Octal 465221254
10 Decimal 81076908
12 Duodecimal 2319b610
16 Hexadecimal 4d522ac
20 Vigesimal 156ec58
36 Base36 1c9rcc

Cryptographic Hash Functions

md5 09b22cd50475c12f491d06055f4940a1
sha1 3922c91f356bc7c6b67104fd3b0adff2386a90b5
sha256 39ce5b3be787d7a91bcfc79cd25b212c2d8002173dab4206c593b855702d5acd
sha512 d0b330dbf77ff4dec964b518d518e72b5edfe15dc600d0f6ce7ee9ecc628ebf63b31c6682b8f2da5f9d8b2018db5d369e9620489a5808c1daf2291b179a3b38a
ripemd-160 44ee9a5690d74c0be6e3a611fa1b5a351d1e0398

81076908 as geometric shapes

Circle

Radius = n
Diameter 162153816
Circumference 509421237.09715
Area 2.0651149386686E+16

Sphere

Radius = n
Volume 2.2324417852248E+24
Surface area 8.2604597546744E+16
Circumference 509421237.09715

Square

Length = n
Perimeter 324307632
Area 6573465010840464
Diagonal 114660062.88888

Cube

Length = n
Surface area 39440790065042784
Volume 5.3295621792513E+23
Space diagonal 140429323.97659

Equilateral Triangle

Length = n
Perimeter 243230724
Area 2.846393845138E+15
Altitude 70214661.988294

Triangular Pyramid

Length = n
Surface area 2.846393845138E+15
Volume 6.2809492628399E+22
Height 38220020.962959