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

81330449 (number)

81330449 is an odd 8-digits prime number following 81330448 and preceding 81330450. In scientific notation, it is written as 8.1330449 × 10^7. The sum of its digits is 32. It has a total of 1 prime factors and 2 positive divisors. There are 81330448 positive integers (up to 81330449) that are relatively prime to 81330449.

Interesting facts

81330449 has 2 divisors, whose sum is 81330450
The reverse of 81330449 is 94403318
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5

Name

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

Notation

Scientific notation	8.1330449 × 10^7
Engineering notation	8.1330449 × 10^6

Prime Factorization of 81330449

Prime Factorization 81330449

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	81330449	Product of the distinct prime numbers

The prime factorization of 81330449 is 81330449. Since it has a total of 1 prime factors.

Most popular turbo-numbers

7, 2, 33, 93, 202, 989, 7679, 4672, 26340, 83583, 538518, 279542, 8904815, 5669528, 69668423, 28099266, 804270230, 153184916, 2518104859, 7518673870

Basic calculations (n = 81330449)

Multiplication

n×y

n×2	162660898
n×3	243991347
n×4	325321796
n×5	406652245

Division

n÷y

n÷2	40665224.5
n÷3	27110149.666667
n÷3	20332612.25
n÷5	16266089.8

Exponentiation

n^y

n²	6614641934541601
n³	5.379717985105E+23
n⁴	4.3753487922196E+31
n⁵	3.5584908180283E+39

Nth Root

^y√n

²√n	9018.3395921866
³√n	433.26245540292
⁴√n	94.964938752081
⁵√n	38.198880395671

Divisors of 81330449

1, 81330449

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	81330450	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	40665225	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	9018.3396476292	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 81330449 can be divided by 2 positive divisors. The sum of these divisors (counting 81330449) is 81330450, the average is 40665225.

Base conversion 81330449

Base	System	Value
2	Binary	100110110010000000100010001
3	Ternary	12200001000101212
4	Quaternary	10312100010101
5	Quinary	131310033244
6	Senary	12023105505
8	Octal	466200421
10	Decimal	81330449
12	Duodecimal	232a2295
16	Hexadecimal	4d90111
20	Vigesimal	1586629
36	Base36	1cf6z5

Cryptographic Hash Functions

md5	2b86081a7682edc49449f19ebdbf3809
sha1	cf080c58530104dd671e95d65b00a3983d10e192
sha256	4831e4fd441d5a895c90fe513a2f841e84bfb7c26130542eb2d6255fdee2f37f
sha512	4990fb62c3203dfca350a9cc3d4704af34c9efde66c1124c932c56eb884a1e578c84f148d97661af20015e1658a79fe17a26f96488cab72b144da60ff36ab42c
ripemd-160	a3e1f9706b8e0c511ebf4db9f6332863606af84f

81330449 as geometric shapes

Circle

Radius = n

Diameter	162660898
Circumference	511014282.18312
Area	2.0780510507683E+16

Sphere

Radius = n

Volume	2.2534510000521E+24
Surface area	8.3122042030731E+16
Circumference	511014282.18312

Square

Length = n

Perimeter	325321796
Area	6614641934541601
Diagonal	115018624.00969

Cube

Length = n

Surface area	39687851607249606
Volume	5.379717985105E+23
Space diagonal	140868469.87039

Equilateral Triangle

Length = n

Perimeter	243991347
Area	2.8642239761254E+15
Altitude	70434234.935195

Triangular Pyramid

Length = n

Surface area	2.8642239761254E+15
Volume	6.3400584468983E+22
Height	38339541.336564