81865362 (number)

81865362 is an even 8-digits composite number following 81865361 and preceding 81865363. In scientific notation, it is written as 8.1865362 × 10^7. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 27288452 positive integers (up to 81865362) that are relatively prime to 81865362.

Interesting facts

Basic properties

Name

Name eighty-one million eight hundred sixty-five thousand three hundred sixty-two

Notation

Scientific notation 8.1865362 × 10^7
Engineering notation 8.1865362 × 10^6

Prime Factorization of 81865362

Prime Factorization 2 × 3 × 13644227

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81865362
Product of the distinct prime numbers

The prime factorization of 81865362 is 2 × 3 × 13644227. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81865362)

Multiplication

n×y
n×2 163730724
n×3 245596086
n×4 327461448
n×5 409326810

Division

n÷y
n÷2 40932681
n÷3 27288454
n÷3 20466340.5
n÷5 16373072.4

Exponentiation

ny
n2 6701937495391044
n3 5.4865653916156E+23
n4 4.4915966192128E+31
n5 3.6770618318984E+39

Nth Root

y√n
2√n 9047.9479441473
3√n 434.21024096332
4√n 95.120701974635
5√n 38.248995779302

Divisors of 81865362

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 -81865361
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 81865362 can be divided by 8 positive divisors. The sum of these divisors (counting 81865362) is 1, the average is 0.125.

Base conversion 81865362

Base System Value
2 Binary 100111000010010101010010010
3 Ternary 12201001012011110
4 Quaternary 10320102222102
5 Quinary 131424142422
6 Senary 12042354150
8 Octal 470225222
10 Decimal 81865362
12 Duodecimal 234bb956
16 Hexadecimal 4e12a92
20 Vigesimal 15bd382
36 Base36 1cqnpu

Cryptographic Hash Functions

md5 1df8abc878d5c5af037900729167c498
sha1 fc29817090c153c9300c7b2c6befb786ee010946
sha256 89454a07646d3c3e147751949515ced142ef10a02a74b7d3b8968ee195c2be59
sha512 052601f820a947116aa49bbbdd86a2fa2d6f91000cd44c9f321542c3e0981b955a384ddcd21d4f461b93bf921ab5809cb32eccc2eb733d16e042aede2f8b81fc
ripemd-160 66bd38e7a1207e431a073607c2ed665bf5c951b1

81865362 as geometric shapes

Circle

Radius = n
Diameter 163730724
Circumference 514375239.68534
Area 2.1054757600338E+16

Sphere

Radius = n
Volume 2.2982071370319E+24
Surface area 8.4219030401354E+16
Circumference 514375239.68534

Square

Length = n
Perimeter 327461448
Area 6701937495391044
Diagonal 115775105.22898

Cube

Length = n
Surface area 40211624972346264
Volume 5.4865653916156E+23
Space diagonal 141794966.36402

Equilateral Triangle

Length = n
Perimeter 245596086
Area 2.902024062792E+15
Altitude 70897483.182009

Triangular Pyramid

Length = n
Surface area 2.902024062792E+15
Volume 6.465979323058E+22
Height 38591701.742994