81330382 (number)

81330382 is an even 8-digits composite number following 81330381 and preceding 81330383. In scientific notation, it is written as 8.1330382 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 34855872 positive integers (up to 81330382) that are relatively prime to 81330382.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1330382 × 10^7
Engineering notation 8.1330382 × 10^6

Prime Factorization of 81330382

Prime Factorization 2 × 7 × 5809313

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81330382
Product of the distinct prime numbers

The prime factorization of 81330382 is 2 × 7 × 5809313. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81330382)

Multiplication

n×y
n×2 162660764
n×3 243991146
n×4 325321528
n×5 406651910

Division

n÷y
n÷2 40665191
n÷3 27110127.333333
n÷3 20332595.5
n÷5 16266076.4

Exponentiation

ny
n2 6614631036265924
n3 5.3797046896856E+23
n4 4.3753343745932E+31
n5 3.558476160634E+39

Nth Root

y√n
2√n 9018.3358775331
3√n 433.26233642906
4√n 94.964919194053
5√n 38.198874102023

Divisors of 81330382

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 -81330381
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 81330382 can be divided by 8 positive divisors. The sum of these divisors (counting 81330382) is 1, the average is 0.125.

Base conversion 81330382

Base System Value
2 Binary 100110110010000000011001110
3 Ternary 12200001000022101
4 Quaternary 10312100003032
5 Quinary 131310033012
6 Senary 12023105314
8 Octal 466200316
10 Decimal 81330382
12 Duodecimal 232a223a
16 Hexadecimal 4d900ce
20 Vigesimal 15865j2
36 Base36 1cf6xa

Cryptographic Hash Functions

md5 02ca55c6f30b2bd36ae470db6bfe6c13
sha1 c5f9898951dda51269e9b767047aa2fa46eb8a5a
sha256 39083453a3d4a0d69a34b327415a3f16205b2f7dd265aabf6a36a10b2877a827
sha512 452d1b727bd77950710427fad6e3ae0ae23105c9506d53b95ff5d7ea3177c32a5531ac37a55c2812917a00418fc2af99a6806fe98f2de289700b7551012b3948
ripemd-160 edde4390a274261a2277b08ddf3e9886338bb2ba

81330382 as geometric shapes

Circle

Radius = n
Diameter 162660764
Circumference 511013861.2097
Area 2.078047626974E+16

Sphere

Radius = n
Volume 2.2534454308799E+24
Surface area 8.312190507896E+16
Circumference 511013861.2097

Square

Length = n
Perimeter 325321528
Area 6614631036265924
Diagonal 115018529.25738

Cube

Length = n
Surface area 39687786217595544
Volume 5.3797046896856E+23
Space diagonal 140868353.82299

Equilateral Triangle

Length = n
Perimeter 243991146
Area 2.8642192570336E+15
Altitude 70434176.911493

Triangular Pyramid

Length = n
Surface area 2.8642192570336E+15
Volume 6.3400427780963E+22
Height 38339509.752462