81332020 (number)

81332020 is an even 8-digits composite number following 81332019 and preceding 81332021. In scientific notation, it is written as 8.1332020 × 10^7. The sum of its digits is 19. It has a total of 5 prime factors and 24 positive divisors. There are 25349760 positive integers (up to 81332020) that are relatively prime to 81332020.

Interesting facts

Basic properties

Name

Name eighty-one million three hundred thirty-two thousand twenty

Notation

Scientific notation 8.1332020 × 10^7
Engineering notation 8.1332020 × 10^6

Prime Factorization of 81332020

Prime Factorization 2 × 2 × 55 × 7 × 52813

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 40666010
Product of the distinct prime numbers

The prime factorization of 81332020 is 2 × 2 × 55 × 7 × 52813. Since it has a total of 5 prime factors.

Most popular turbo-numbers

10, 7, 45, 26, 242, 169, 3443, 6654, 80719, 74007, 39880, 83486, 6566242, 9638327, 33474853, 24877541, 28046814, 627211837, 4933126907, 1117215494

Basic calculations (n = 81332020)

Multiplication

n×y
n×2 162664040
n×3 243996060
n×4 325328080
n×5 406660100

Division

n÷y
n÷2 40666010
n÷3 27110673.333333
n÷3 20333005
n÷5 16266404

Exponentiation

ny
n2 6614897477280400
n3 5.3800297392012E+23
n4 4.3756868634931E+31
n5 3.5588345149535E+39

Nth Root

y√n
2√n 9018.4266920567
3√n 433.26524505486
4√n 94.965397340593
5√n 38.199027966422

Divisors of 81332020

1, 2, 4, 7, 14, 28, 55, 110, 220, 385, 770, 1540, 52813, 105626, 211252, 369691, 739382, 1478764, 2904715, 5809430, 11618860, 20333005, 40666010, 81332020

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81332019
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81332020 can be divided by 24 positive divisors. The sum of these divisors (counting 81332020) is 1, the average is 0.041666666666667.

Base conversion 81332020

Base System Value
2 Binary 100110110010000011100110100
3 Ternary 12200001002120001
4 Quaternary 10312100130310
5 Quinary 131310111040
6 Senary 12023121044
8 Octal 466203464
10 Decimal 81332020
12 Duodecimal 232a3184
16 Hexadecimal 4d90734
20 Vigesimal 1586a10
36 Base36 1cf86s

Cryptographic Hash Functions

md5 96b4b56f956fd63e46d5f51f86212a64
sha1 8c5389c470d11e6ccde7600ab46dc3814f185dcd
sha256 15be5e368348ffa4ea7375d736e3aeda40583e285309ce8703b8d1c69e85ac01
sha512 28be2ec020f5758ad3efa63c1906c035e22da98accd9f79ba31c2880fd6bd03a1472e7f66d854317cfb81f260e99df271418d1897f409a45df4ac3cc2c0078e9
ripemd-160 e76f8667bf35678c8594dd282af6c6c1227c479a

81332020 as geometric shapes

Circle

Radius = n
Diameter 162664040
Circumference 511024153.06724
Area 2.0781313318874E+16

Sphere

Radius = n
Volume 2.2535815873025E+24
Surface area 8.3125253275495E+16
Circumference 511024153.06724

Square

Length = n
Perimeter 325328080
Area 6614897477280400
Diagonal 115020845.7392

Cube

Length = n
Surface area 39689384863682400
Volume 5.3800297392012E+23
Space diagonal 140871190.92221

Equilateral Triangle

Length = n
Perimeter 243996060
Area 2.8643346293772E+15
Altitude 70435595.461104

Triangular Pyramid

Length = n
Surface area 2.8643346293772E+15
Volume 6.3404258526241E+22
Height 38340281.913067