81330398 (number)

81330398 is an even 8-digits composite number following 81330397 and preceding 81330399. In scientific notation, it is written as 8.1330398 × 10^7. The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors. There are 39799936 positive integers (up to 81330398) that are relatively prime to 81330398.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1330398 × 10^7
Engineering notation 8.1330398 × 10^6

Prime Factorization of 81330398

Prime Factorization 2 × 47 × 865217

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81330398
Product of the distinct prime numbers

The prime factorization of 81330398 is 2 × 47 × 865217. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81330398)

Multiplication

n×y
n×2 162660796
n×3 243991194
n×4 325321592
n×5 406651990

Division

n÷y
n÷2 40665199
n÷3 27110132.666667
n÷3 20332599.5
n÷5 16266079.6

Exponentiation

ny
n2 6614633638838404
n3 5.3797078647092E+23
n4 4.3753378176053E+31
n5 3.5584796609029E+39

Nth Root

y√n
2√n 9018.3367646146
3√n 433.26236484073
4√n 94.964923864628
5√n 38.198875604984

Divisors of 81330398

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 -81330397
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 81330398 can be divided by 8 positive divisors. The sum of these divisors (counting 81330398) is 1, the average is 0.125.

Base conversion 81330398

Base System Value
2 Binary 100110110010000000011011110
3 Ternary 12200001000022222
4 Quaternary 10312100003132
5 Quinary 131310033043
6 Senary 12023105342
8 Octal 466200336
10 Decimal 81330398
12 Duodecimal 232a2252
16 Hexadecimal 4d900de
20 Vigesimal 15865ji
36 Base36 1cf6xq

Cryptographic Hash Functions

md5 5d0117217847e6e4212cb9e76d8a73cd
sha1 1a7024984bea64e6472037eabdba0af950c097d5
sha256 19a2bd2de5b2a1b1a96fc140d9de2f9879b69bb8e9cb2f0cfb3c34b605ca2600
sha512 66199f05d7a3a90ea18806ea427b346cea920ec3d27917d0a797527cf25654c8c72ec44e6a68a00697360e362bad78c2b4ff75ae5637bed7b1ee67465d8f84b3
ripemd-160 4d6015ca2ca339d801dd097954d1bd41911710be

81330398 as geometric shapes

Circle

Radius = n
Diameter 162660796
Circumference 511013961.74067
Area 2.0780484445963E+16

Sphere

Radius = n
Volume 2.2534467608306E+24
Surface area 8.3121937783851E+16
Circumference 511013961.74067

Square

Length = n
Perimeter 325321592
Area 6614633638838404
Diagonal 115018551.8848

Cube

Length = n
Surface area 39687801833030424
Volume 5.3797078647092E+23
Space diagonal 140868381.5358

Equilateral Triangle

Length = n
Perimeter 243991194
Area 2.8642203839806E+15
Altitude 70434190.767899

Triangular Pyramid

Length = n
Surface area 2.8642203839806E+15
Volume 6.3400465198974E+22
Height 38339517.294934