Max	9223372036854775807
25835	Positive integer
0b10001100	Binary number
01771452	Octal number
0x129abf	Hex number
5.012 * 10^7	Scientific notation
2^4 * 5	Factorized form
*	Random number

81330457 (number)

81330457 is an odd 8-digits composite number following 81330456 and preceding 81330458. In scientific notation, it is written as 8.1330457 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 74898000 positive integers (up to 81330457) that are relatively prime to 81330457.

Interesting facts

81330457 has 8 divisors, whose sum is 87792320
The reverse of 81330457 is 75403318
Previous prime number is 439

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4

Name

Name	eighty-one million three hundred thirty thousand four hundred fifty-seven

Notation

Scientific notation	8.1330457 × 10^7
Engineering notation	8.1330457 × 10^6

Prime Factorization of 81330457

Prime Factorization 13 × 439 × 14251

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	81330457	Product of the distinct prime numbers

The prime factorization of 81330457 is 13 × 439 × 14251. Since it has a total of 3 prime factors.

Most popular turbo-numbers

3, 2, 82, 38, 768, 243, 9950, 1079, 95967, 12766, 182574, 899998, 1236836, 7155482, 45699695, 48467137, 27757947, 757327691, 2997118488, 1680634964

Basic calculations (n = 81330457)

Multiplication

n×y

n×2	162660914
n×3	243991371
n×4	325321828
n×5	406652285

Division

n÷y

n÷2	40665228.5
n÷3	27110152.333333
n÷3	20332614.25
n÷5	16266091.4

Exponentiation

n^y

n²	6614643235828849
n³	5.3797195726192E+23
n⁴	4.3753505137296E+31
n⁵	3.5584925681682E+39

Nth Root

^y√n

²√n	9018.3400357272
³√n	433.26246960875
⁴√n	94.964941087368
⁵√n	38.198881147151

Divisors of 81330457

1, 13, 439, 5707, 14251, 185263, 6256189, 81330457

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	-81330456	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 81330457 can be divided by 8 positive divisors. The sum of these divisors (counting 81330457) is 1, the average is 0.125.

Base conversion 81330457

Base	System	Value
2	Binary	100110110010000000100011001
3	Ternary	12200001000102011
4	Quaternary	10312100010121
5	Quinary	131310033312
6	Senary	12023105521
8	Octal	466200431
10	Decimal	81330457
12	Duodecimal	232a22a1
16	Hexadecimal	4d90119
20	Vigesimal	158662h
36	Base36	1cf6zd

Cryptographic Hash Functions

md5	c7543daa9165dd977ecb29613e9e7c57
sha1	28acd876ea4ca1b9ab44ec6dfe780f874d9126fd
sha256	c3faf945827e63225e63aebc71111362383203f737eb727a77d9865a532f1cdd
sha512	cc505252c8dd8f772b2fe9ea5b3de3753602700463bce6e65c249fab5f44c65ac9d6c3c57f3a7adb3fac92b0bf51a9b98b9693ab07ee505700b7973f02f1c2ea
ripemd-160	4f228bc1e3fc3ed9161625e35e550edf89436469

81330457 as geometric shapes

Circle

Radius = n

Diameter	162660914
Circumference	511014332.4486
Area	2.0780514595797E+16

Sphere

Radius = n

Volume	2.2534516650285E+24
Surface area	8.3122058383189E+16
Circumference	511014332.4486

Square

Length = n

Perimeter	325321828
Area	6614643235828849
Diagonal	115018635.3234

Cube

Length = n

Surface area	39687859414973094
Volume	5.3797195726192E+23
Space diagonal	140868483.7268

Equilateral Triangle

Length = n

Perimeter	243991371
Area	2.8642245395993E+15
Altitude	70434241.863398

Triangular Pyramid

Length = n

Surface area	2.8642245395993E+15
Volume	6.3400603178017E+22
Height	38339545.107801