81304811 (number)

81304811 is an odd 8-digits composite number following 81304810 and preceding 81304812. In scientific notation, it is written as 8.1304811 × 10^7. The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors. There are 69689832 positive integers (up to 81304811) that are relatively prime to 81304811.

Interesting facts

Basic properties

Name

Name eighty-one million three hundred four thousand eight hundred eleven

Notation

Scientific notation 8.1304811 × 10^7
Engineering notation 8.1304811 × 10^6

Prime Factorization of 81304811

Prime Factorization 7 × 11614973

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81304811
Product of the distinct prime numbers

The prime factorization of 81304811 is 7 × 11614973. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81304811)

Multiplication

n×y
n×2 162609622
n×3 243914433
n×4 325219244
n×5 406524055

Division

n÷y
n÷2 40652405.5
n÷3 27101603.666667
n÷3 20326202.75
n÷5 16260962.2

Exponentiation

ny
n2 6610472291745721
n3 5.3746320030112E+23
n4 4.3698343919938E+31
n5 3.5528855934236E+39

Nth Root

y√n
2√n 9016.9180433228
3√n 433.21692448401
4√n 94.957453858677
5√n 38.196471786302

Divisors of 81304811

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81304810
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81304811 can be divided by 4 positive divisors. The sum of these divisors (counting 81304811) is 1, the average is 0.25.

Base conversion 81304811

Base System Value
2 Binary 100110110001001110011101011
3 Ternary 12122222201020022
4 Quaternary 10312021303223
5 Quinary 131303223221
6 Senary 12022351055
8 Octal 466116353
10 Decimal 81304811
12 Duodecimal 2328b48b
16 Hexadecimal 4d89ceb
20 Vigesimal 158320b
36 Base36 1cen6z

Cryptographic Hash Functions

md5 bf3255c8a27cadc4b4a7dcb79a75c615
sha1 9e425058f40f00b2951f78cb839bd2b1f5c9e9be
sha256 79fbe030949965e99d28a4e2905e51d3b55fe42cd3b1a55a8b191bf45f4a6aba
sha512 d90d8e13df65b1acfa176e5ea1b912d3eb02a444b2bbe3795e75431d5ee19ca5587d5acf150c966761e54f445a42c1662ef43c1d22c8f5507a120c9d8f223031
ripemd-160 e56ddc087b1d444ddbb7018cb9c4c9ac73ded515

81304811 as geometric shapes

Circle

Radius = n
Diameter 162609622
Circumference 510853193.87821
Area 2.0767411188507E+16

Sphere

Radius = n
Volume 2.2513205888545E+24
Surface area 8.3069644754029E+16
Circumference 510853193.87821

Square

Length = n
Perimeter 325219244
Area 6610472291745721
Diagonal 114982366.40238

Cube

Length = n
Surface area 39662833750474326
Volume 5.3746320030112E+23
Space diagonal 140824063.55178

Equilateral Triangle

Length = n
Perimeter 243914433
Area 2.8624184678325E+15
Altitude 70412031.775892

Triangular Pyramid

Length = n
Surface area 2.8624184678325E+15
Volume 6.3340645595191E+22
Height 38327455.46746