81330360 (number)

81330360 is an even 8-digits composite number following 81330359 and preceding 81330361. In scientific notation, it is written as 8.1330360 × 10^7. The sum of its digits is 24. It has a total of 7 prime factors and 64 positive divisors. There are 20987520 positive integers (up to 81330360) that are relatively prime to 81330360.

Interesting facts

Basic properties

Name

Name eighty-one million three hundred thirty thousand three hundred sixty

Notation

Scientific notation 8.1330360 × 10^7
Engineering notation 8.1330360 × 10^6

Prime Factorization of 81330360

Prime Factorization 2 × 2 × 2 × 5 × 3 × 31 × 21863

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 20332590
Product of the distinct prime numbers

The prime factorization of 81330360 is 2 × 2 × 2 × 5 × 3 × 31 × 21863. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81330360)

Multiplication

n×y
n×2 162660720
n×3 243991080
n×4 325321440
n×5 406651800

Division

n÷y
n÷2 40665180
n÷3 27110120
n÷3 20332590
n÷5 16266072

Exponentiation

ny
n2 6614627457729600
n3 5.3797003240303E+23
n4 4.375329640455E+31
n5 3.5584713477688E+39

Nth Root

y√n
2√n 9018.3346577958
3√n 433.262297363
4√n 94.964912772011
5√n 38.198872035452

Divisors of 81330360

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81330359
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81330360 can be divided by 64 positive divisors. The sum of these divisors (counting 81330360) is 1, the average is 0.015625.

Base conversion 81330360

Base System Value
2 Binary 100110110010000000010111000
3 Ternary 12200001000021120
4 Quaternary 10312100002320
5 Quinary 131310032420
6 Senary 12023105240
8 Octal 466200270
10 Decimal 81330360
12 Duodecimal 232a2220
16 Hexadecimal 4d900b8
20 Vigesimal 15865i0
36 Base36 1cf6wo

Cryptographic Hash Functions

md5 9961f3ecaff170b40eae814625640756
sha1 8b36d28068afaa38a3480dc56c480d146ba613b3
sha256 980ae37926b540a58c686f971a25a522a3b798ada93afdb4f84f489b62b97780
sha512 10e986f5b390faccaeee0a7617a1ef4f2c5a8e96e7851ff4445a7b59f274034c36276e4d9733f08e13d44764f61f20398809fef4526862b05ad45320cdaae4f6
ripemd-160 772cbf1949027cddcd7cf2762c984b7161c6405b

81330360 as geometric shapes

Circle

Radius = n
Diameter 162660720
Circumference 511013722.97963
Area 2.0780465027437E+16

Sphere

Radius = n
Volume 2.2534436021984E+24
Surface area 8.3121860109747E+16
Circumference 511013722.97963

Square

Length = n
Perimeter 325321440
Area 6614627457729600
Diagonal 115018498.14469

Cube

Length = n
Surface area 39687764746377600
Volume 5.3797003240303E+23
Space diagonal 140868315.71787

Equilateral Triangle

Length = n
Perimeter 243991080
Area 2.864217707482E+15
Altitude 70434157.858934

Triangular Pyramid

Length = n
Surface area 2.864217707482E+15
Volume 6.3400376331222E+22
Height 38339499.381562