81330409 (number)

81330409 is an odd 8-digits prime number following 81330408 and preceding 81330410. In scientific notation, it is written as 8.1330409 × 10^7. The sum of its digits is 28. It has a total of 1 prime factors and 2 positive divisors. There are 81330408 positive integers (up to 81330409) that are relatively prime to 81330409.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1330409 × 10^7
Engineering notation 8.1330409 × 10^6

Prime Factorization of 81330409

Prime Factorization 81330409

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 81330409
Product of the distinct prime numbers

The prime factorization of 81330409 is 81330409. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81330409)

Multiplication

n×y
n×2 162660818
n×3 243991227
n×4 325321636
n×5 406652045

Division

n÷y
n÷2 40665204.5
n÷3 27110136.333333
n÷3 20332602.25
n÷5 16266081.8

Exponentiation

ny
n2 6614635428107281
n3 5.3797100475386E+23
n4 4.3753401846772E+31
n5 3.5584820673393E+39

Nth Root

y√n
2√n 9018.3373744832
3√n 433.26238437376
4√n 94.964927075648
5√n 38.19887663827

Divisors of 81330409

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 81330410
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 40665205
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 9018.3374299258
Returns the nth root of the product of n divisors
H Harmonic Mean 1.999999975409
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81330409 can be divided by 2 positive divisors. The sum of these divisors (counting 81330409) is 81330410, the average is 40665205.

Base conversion 81330409

Base System Value
2 Binary 100110110010000000011101001
3 Ternary 12200001000100101
4 Quaternary 10312100003221
5 Quinary 131310033114
6 Senary 12023105401
8 Octal 466200351
10 Decimal 81330409
12 Duodecimal 232a2261
16 Hexadecimal 4d900e9
20 Vigesimal 1586609
36 Base36 1cf6y1

Cryptographic Hash Functions

md5 cb9d4c939b76773921917ec0d38f8b62
sha1 4f3f4cb09fc3fa0a1e87d6bfbe7d4b33b289008e
sha256 82d1871cda80003ede38dce81bf22a83b2a70a9b91ebef31098e3887793c1215
sha512 d905e6e099573fde0341104b31f51d92da3f67474c75ac7a3bab9050295f2256264869a979468ab0498204fcf768cf147db1960c0a45d3f2d096d4b47ca4e16d
ripemd-160 62cde6560df9c14cdc3abd6dd6d3bc1f20fd61aa

81330409 as geometric shapes

Circle

Radius = n
Diameter 162660818
Circumference 511014030.85571
Area 2.0780490067117E+16

Sphere

Radius = n
Volume 2.253447675172E+24
Surface area 8.3121960268466E+16
Circumference 511014030.85571

Square

Length = n
Perimeter 325321636
Area 6614635428107281
Diagonal 115018567.44115

Cube

Length = n
Surface area 39687812568643686
Volume 5.3797100475386E+23
Space diagonal 140868400.58836

Equilateral Triangle

Length = n
Perimeter 243991227
Area 2.8642211587567E+15
Altitude 70434200.294179

Triangular Pyramid

Length = n
Surface area 2.8642211587567E+15
Volume 6.3400490923865E+22
Height 38339522.480384