81330395 (number)

81330395 is an odd 8-digits composite number following 81330394 and preceding 81330396. In scientific notation, it is written as 8.1330395 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 64172736 positive integers (up to 81330395) that are relatively prime to 81330395.

Interesting facts

Basic properties

Name

Name eighty-one million three hundred thirty thousand three hundred ninety-five

Notation

Scientific notation 8.1330395 × 10^7
Engineering notation 8.1330395 × 10^6

Prime Factorization of 81330395

Prime Factorization 5 × 73 × 222823

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81330395
Product of the distinct prime numbers

The prime factorization of 81330395 is 5 × 73 × 222823. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81330395)

Multiplication

n×y
n×2 162660790
n×3 243991185
n×4 325321580
n×5 406651975

Division

n÷y
n÷2 40665197.5
n÷3 27110131.666667
n÷3 20332598.75
n÷5 16266079

Exponentiation

ny
n2 6614633150856025
n3 5.3797072693922E+23
n4 4.3753371720404E+31
n5 3.5584790046022E+39

Nth Root

y√n
2√n 9018.3365982868
3√n 433.26235951354
4√n 94.964922988895
5√n 38.198875323179

Divisors of 81330395

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 -81330394
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 81330395 can be divided by 8 positive divisors. The sum of these divisors (counting 81330395) is 1, the average is 0.125.

Base conversion 81330395

Base System Value
2 Binary 100110110010000000011011011
3 Ternary 12200001000022212
4 Quaternary 10312100003123
5 Quinary 131310033040
6 Senary 12023105335
8 Octal 466200333
10 Decimal 81330395
12 Duodecimal 232a224b
16 Hexadecimal 4d900db
20 Vigesimal 15865jf
36 Base36 1cf6xn

Cryptographic Hash Functions

md5 c200020b3d79ee8c8242f2415a008211
sha1 b7180ad23887bbfa44dbd299e6a30d031c3fe48b
sha256 777acff79f4916b00a623c21ef06d0ec67945f28aad96ddca53cd524ac751519
sha512 2fd1b80179d4e10988c234017f75562b8a52abd54f060ef00b3a4a4872ae932693ac27aaf0e06d5e048589aff1f1f00e53544b4d91ec45f20bc7e79f32553071
ripemd-160 41410a11642ba7c6bc91786e93b68b1788199555

81330395 as geometric shapes

Circle

Radius = n
Diameter 162660790
Circumference 511013942.89111
Area 2.0780482912921E+16

Sphere

Radius = n
Volume 2.2534465114648E+24
Surface area 8.3121931651683E+16
Circumference 511013942.89111

Square

Length = n
Perimeter 325321580
Area 6614633150856025
Diagonal 115018547.64216

Cube

Length = n
Surface area 39687798905136150
Volume 5.3797072693922E+23
Space diagonal 140868376.33965

Equilateral Triangle

Length = n
Perimeter 243991185
Area 2.864220172678E+15
Altitude 70434188.169823

Triangular Pyramid

Length = n
Surface area 2.864220172678E+15
Volume 6.3400458183096E+22
Height 38339515.88072