81330349 (number)

81330349 is an odd 8-digits composite number following 81330348 and preceding 81330350. In scientific notation, it is written as 8.1330349 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 81236736 positive integers (up to 81330349) that are relatively prime to 81330349.

Interesting facts

Basic properties

Name

Name eighty-one million three hundred thirty thousand three hundred forty-nine

Notation

Scientific notation 8.1330349 × 10^7
Engineering notation 8.1330349 × 10^6

Prime Factorization of 81330349

Prime Factorization 877 × 92737

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81330349
Product of the distinct prime numbers

The prime factorization of 81330349 is 877 × 92737. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81330349)

Multiplication

n×y
n×2 162660698
n×3 243991047
n×4 325321396
n×5 406651745

Division

n÷y
n÷2 40665174.5
n÷3 27110116.333333
n÷3 20332587.25
n÷5 16266069.8

Exponentiation

ny
n2 6614625668461801
n3 5.3796981412036E+23
n4 4.3753272733874E+31
n5 3.5584689413381E+39

Nth Root

y√n
2√n 9018.334047927
3√n 433.26227782997
4√n 94.96490956099
5√n 38.198871002166

Divisors of 81330349

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81330348
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81330349 can be divided by 4 positive divisors. The sum of these divisors (counting 81330349) is 1, the average is 0.25.

Base conversion 81330349

Base System Value
2 Binary 100110110010000000010101101
3 Ternary 12200001000021011
4 Quaternary 10312100002231
5 Quinary 131310032344
6 Senary 12023105221
8 Octal 466200255
10 Decimal 81330349
12 Duodecimal 232a2211
16 Hexadecimal 4d900ad
20 Vigesimal 15865h9
36 Base36 1cf6wd

Cryptographic Hash Functions

md5 437cc72cd5bae75a8860ff619b89ef68
sha1 d5c267170a1ca3d9c238459ce0391e8b177f7029
sha256 51a71b565cd8c665575d042efd435b444445429e5d4c429002125684150babc8
sha512 8b6452396fd9f04cbe7b57924ea79a39f5aa1f2e02be839bd4f2f54374f43f8f4e959e541354a4da4c7ced56bc2b91dcfbab0cfb7d8af645dbff5ca4cbc23c9c
ripemd-160 74127a2b5b180a677582ec704cb0cb3cf01a7d9f

81330349 as geometric shapes

Circle

Radius = n
Diameter 162660698
Circumference 511013653.86459
Area 2.0780459406286E+16

Sphere

Radius = n
Volume 2.2534426878581E+24
Surface area 8.3121837625144E+16
Circumference 511013653.86459

Square

Length = n
Perimeter 325321396
Area 6614625668461801
Diagonal 115018482.58834

Cube

Length = n
Surface area 39687754010770806
Volume 5.3796981412036E+23
Space diagonal 140868296.66531

Equilateral Triangle

Length = n
Perimeter 243991047
Area 2.8642169327063E+15
Altitude 70434148.332654

Triangular Pyramid

Length = n
Surface area 2.8642169327063E+15
Volume 6.3400350606362E+22
Height 38339494.196112