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

81330271 (number)

81330271 is an odd 8-digits composite number following 81330270 and preceding 81330272. In scientific notation, it is written as 8.1330271 × 10^7. The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors. There are 73936500 positive integers (up to 81330271) that are relatively prime to 81330271.

Interesting facts

81330271 has 4 divisors, whose sum is 82002544
The reverse of 81330271 is 17203318
Previous prime number is 121

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7

Name

Name	eighty-one million three hundred thirty thousand two hundred seventy-one

Notation

Scientific notation	8.1330271 × 10^7
Engineering notation	8.1330271 × 10^6

Prime Factorization of 81330271

Prime Factorization 121 × 672151

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	81330271	Product of the distinct prime numbers

The prime factorization of 81330271 is 121 × 672151. Since it has a total of 2 prime factors.

Most popular turbo-numbers

5, 6, 78, 7, 725, 894, 3281, 1509, 30939, 63506, 5742, 302021, 6159147, 2086052, 28503680, 99854637, 574064035, 535465996, 7349357657, 1847601125

Basic calculations (n = 81330271)

Multiplication

n×y

n×2	162660542
n×3	243990813
n×4	325321084
n×5	406651355

Division

n÷y

n÷2	40665135.5
n÷3	27110090.333333
n÷3	20332567.75
n÷5	16266054.2

Exponentiation

n^y

n²	6614612980933441
n³	5.3796826629943E+23
n⁴	4.3753104887533E+31
n⁵	3.5584518775945E+39

Nth Root

^y√n

²√n	9018.3297234022
³√n	433.26213932297
⁴√n	94.96488679192
⁵√n	38.198863675225

Divisors of 81330271

1, 121, 672151, 81330271

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	-81330270	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 81330271 can be divided by 4 positive divisors. The sum of these divisors (counting 81330271) is 1, the average is 0.25.

Base conversion 81330271

Base	System	Value
2	Binary	100110110010000000001011111
3	Ternary	12200001000011021
4	Quaternary	10312100001133
5	Quinary	131310032041
6	Senary	12023105011
8	Octal	466200137
10	Decimal	81330271
12	Duodecimal	232a2167
16	Hexadecimal	4d9005f
20	Vigesimal	15865db
36	Base36	1cf6u7

Cryptographic Hash Functions

md5	84120938d7ae20b6984ab18d807bb866
sha1	df5ebccac364178c5eabaad640fe7bd677ba824c
sha256	97083fecd73962ebbefdbeef496e90f638ec3e59232f72cc64f0a4f9d997e4aa
sha512	99de23ec3b8b907830f5411b1631ff8374fd1fdef7c4623fb06e8a2762047b9671d0d6e8f78f165e09af63877001c252353cab7669494ee4d392271a95f0c813
ripemd-160	a21f0584c782efda001fd91c37a877501b2af698

81330271 as geometric shapes

Circle

Radius = n

Diameter	162660542
Circumference	511013163.77613
Area	2.078041954724E+16

Sphere

Radius = n

Volume	2.253436204361E+24
Surface area	8.3121678188961E+16
Circumference	511013163.77613

Square

Length = n

Perimeter	325321084
Area	6614612980933441
Diagonal	115018372.27968

Cube

Length = n

Surface area	39687677885600646
Volume	5.3796826629943E+23
Space diagonal	140868161.56535

Equilateral Triangle

Length = n

Perimeter	243990813
Area	2.8642114388453E+15
Altitude	70434080.782673

Triangular Pyramid

Length = n

Surface area	2.8642114388453E+15
Volume	6.3400168193917E+22
Height	38339457.42656