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

81330761 (number)

81330761 is an odd 8-digits composite number following 81330760 and preceding 81330762. In scientific notation, it is written as 8.1330761 × 10^7. The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors. There are 78526224 positive integers (up to 81330761) that are relatively prime to 81330761.

Interesting facts

81330761 has 4 divisors, whose sum is 84135300
The reverse of 81330761 is 16703318
Previous prime number is 29

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2

Name

Name	eighty-one million three hundred thirty thousand seven hundred sixty-one

Notation

Scientific notation	8.1330761 × 10^7
Engineering notation	8.1330761 × 10^6

Prime Factorization of 81330761

Prime Factorization 29 × 2804509

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	81330761	Product of the distinct prime numbers

The prime factorization of 81330761 is 29 × 2804509. Since it has a total of 2 prime factors.

Most popular turbo-numbers

8, 1, 23, 4, 283, 481, 4874, 7278, 18333, 14622, 766656, 475867, 450040, 4939532, 60704699, 53295636, 748104001, 341493128, 1148540721, 9842849950

Basic calculations (n = 81330761)

Multiplication

n×y

n×2	162661522
n×3	243992283
n×4	325323044
n×5	406653805

Division

n÷y

n÷2	40665380.5
n÷3	27110253.666667
n÷3	20332690.25
n÷5	16266152.2

Exponentiation

n^y

n²	6614692684839121
n³	5.379779898391E+23
n⁴	4.3754159314864E+31
n⁵	3.5585590739931E+39

Nth Root

^y√n

²√n	9018.3568902545
³√n	433.26300942959
⁴√n	94.965029828113
⁵√n	38.198909703347

Divisors of 81330761

1, 29, 2804509, 81330761

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	-81330760	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 81330761 can be divided by 4 positive divisors. The sum of these divisors (counting 81330761) is 1, the average is 0.25.

Base conversion 81330761

Base	System	Value
2	Binary	100110110010000001001001001
3	Ternary	12200001000211102
4	Quaternary	10312100021021
5	Quinary	131310041021
6	Senary	12023111145
8	Octal	466201111
10	Decimal	81330761
12	Duodecimal	232a24b5
16	Hexadecimal	4d90249
20	Vigesimal	15866i1
36	Base36	1cf77t

Cryptographic Hash Functions

md5	485913b8967c00aaeb410429ff72f5b0
sha1	bebf4fd144ab674cd602a68e9ef4acccd44458f6
sha256	a604997dc6fe34b2e8bf118cab0e7a43e327291bc225fb2c3ffb0810a0a1ba2e
sha512	ef3091fc9616b540d6189b0a658695fdc6b2888c3c9cdda23f047e151bcb5f83f40e0af4bb599f0a979978ef429bd4104aeaafb2d668e8724bbf26a289bf4552
ripemd-160	c3c1f3e2c237a80209a146bed7284d35fceb0157

81330761 as geometric shapes

Circle

Radius = n

Diameter	162661522
Circumference	511016242.53693
Area	2.0780669944445E+16

Sphere

Radius = n

Volume	2.2534769342287E+24
Surface area	8.3122679777779E+16
Circumference	511016242.53693

Square

Length = n

Perimeter	325323044
Area	6614692684839121
Diagonal	115019065.24432

Cube

Length = n

Surface area	39688156109034726
Volume	5.379779898391E+23
Space diagonal	140869010.27024

Equilateral Triangle

Length = n

Perimeter	243992283
Area	2.8642459516489E+15
Altitude	70434505.135121

Triangular Pyramid

Length = n

Surface area	2.8642459516489E+15
Volume	6.3401314124056E+22
Height	38339688.414775