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

81330454 (number)

81330454 is an even 8-digits composite number following 81330453 and preceding 81330455. In scientific notation, it is written as 8.1330454 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 40665226 positive integers (up to 81330454) that are relatively prime to 81330454.

Interesting facts

81330454 has 4 divisors, whose sum is 121995684
The reverse of 81330454 is 45403318
Previous prime number is 2

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1

Name

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

Notation

Scientific notation	8.1330454 × 10^7
Engineering notation	8.1330454 × 10^6

Prime Factorization of 81330454

Prime Factorization 2 × 40665227

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	81330454	Product of the distinct prime numbers

The prime factorization of 81330454 is 2 × 40665227. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 9, 53, 64, 784, 104, 5261, 2637, 54786, 17433, 180933, 595217, 3552116, 2991356, 62260597, 18587021, 875159317, 859167620, 6900259591, 4274127547

Basic calculations (n = 81330454)

Multiplication

n×y

n×2	162660908
n×3	243991362
n×4	325321816
n×5	406652270

Division

n÷y

n÷2	40665227
n÷3	27110151.333333
n÷3	20332613.5
n÷5	16266090.8

Exponentiation

n^y

n²	6614642747846116
n³	5.3797189773013E+23
n⁴	4.3753498681633E+31
n⁵	3.5584919118656E+39

Nth Root

^y√n

²√n	9018.3398693995
³√n	433.26246428156
⁴√n	94.964940211635
⁵√n	38.198880865346

Divisors of 81330454

1, 2, 40665227, 81330454

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	-81330453	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 81330454 can be divided by 4 positive divisors. The sum of these divisors (counting 81330454) is 1, the average is 0.25.

Base conversion 81330454

Base	System	Value
2	Binary	100110110010000000100010110
3	Ternary	12200001000102001
4	Quaternary	10312100010112
5	Quinary	131310033304
6	Senary	12023105514
8	Octal	466200426
10	Decimal	81330454
12	Duodecimal	232a229a
16	Hexadecimal	4d90116
20	Vigesimal	158662e
36	Base36	1cf6za

Cryptographic Hash Functions

md5	51d9068ec947cd9e92ae7a930d6371b4
sha1	a40abd8eb2acee2ff2489f731bb49da010fe67e3
sha256	23a011fbada409d898e60f440710498a262714be0ba2469e79d71631a269b284
sha512	5478d8981be6bf42612ffe82c90e8e8defbac984b3545aa4c305bc3117d7acfce6b1b6b3b776f9cf10ac9f042f03cbc53608ac4f5bdcf90d7482792b1bdc448c
ripemd-160	29cb7da115326f84889f637d254d6483c4f86567

81330454 as geometric shapes

Circle

Radius = n

Diameter	162660908
Circumference	511014313.59905
Area	2.0780513062754E+16

Sphere

Radius = n

Volume	2.2534514156623E+24
Surface area	8.3122052251017E+16
Circumference	511014313.59905

Square

Length = n

Perimeter	325321816
Area	6614642747846116
Diagonal	115018631.08076

Cube

Length = n

Surface area	39687856487076696
Volume	5.3797189773013E+23
Space diagonal	140868478.53064

Equilateral Triangle

Length = n

Perimeter	243991362
Area	2.8642243282966E+15
Altitude	70434239.265322

Triangular Pyramid

Length = n

Surface area	2.8642243282966E+15
Volume	6.3400596162129E+22
Height	38339543.693587