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

81306501 (number)

81306501 is an odd 8-digits composite number following 81306500 and preceding 81306502. In scientific notation, it is written as 8.1306501 × 10^7. The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors. There are 52739280 positive integers (up to 81306501) that are relatively prime to 81306501.

Interesting facts

81306501 has 8 divisors, whose sum is 111338784
The reverse of 81306501 is 10560318
Previous prime number is 37

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6

Name

Name	eighty-one million three hundred six thousand five hundred one

Notation

Scientific notation	8.1306501 × 10^7
Engineering notation	8.1306501 × 10^6

Prime Factorization of 81306501

Prime Factorization 3 × 37 × 732491

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	81306501	Product of the distinct prime numbers

The prime factorization of 81306501 is 3 × 37 × 732491. Since it has a total of 3 prime factors.

Most popular turbo-numbers

2, 7, 25, 38, 136, 205, 3679, 8364, 55581, 67133, 956166, 914941, 9635910, 6518195, 94470304, 93585290, 182158737, 24183831, 1124708378, 1851675539

Basic calculations (n = 81306501)

Multiplication

n×y

n×2	162613002
n×3	243919503
n×4	325226004
n×5	406532505

Division

n÷y

n÷2	40653250.5
n÷3	27102167
n÷3	20326625.25
n÷5	16261300.2

Exponentiation

n^y

n²	6610747104863001
n³	5.3749671609229E+23
n⁴	4.3701977284455E+31
n⁵	3.5532548597805E+39

Nth Root

^y√n

²√n	9017.0117555651
³√n	433.21992607568
⁴√n	94.957947300714
⁵√n	38.196630575185

Divisors of 81306501

1, 3, 37, 111, 732491, 2197473, 27102167, 81306501

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	-81306500	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 81306501 can be divided by 8 positive divisors. The sum of these divisors (counting 81306501) is 1, the average is 0.125.

Base conversion 81306501

Base	System	Value
2	Binary	100110110001010001110000101
3	Ternary	12122222210112220
4	Quaternary	10312022032011
5	Quinary	131303302001
6	Senary	12022402553
8	Octal	466121605
10	Decimal	81306501
12	Duodecimal	23290459
16	Hexadecimal	4d8a385
20	Vigesimal	1583651
36	Base36	1ceohx

Cryptographic Hash Functions

md5	e75b5935443c100e9dbaff68702c6255
sha1	b748a8136872970b5ad0066507352c258e11f839
sha256	358732c9eac75d62fbe4d97bcc73c1d367552f2d1a346acad0d8723400b835b0
sha512	ed43e23e8d4a3d6d331e871334d40ddf97a2522bf0732948972d98690f6e6837015c7464728ef703911c7009cf8934b840c8c9a5aa7564f7ff5dba0cd521aa0e
ripemd-160	3cd217494dc389894061c4b3b79f62bbf1129cdf

81306501 as geometric shapes

Circle

Radius = n

Diameter	162613002
Circumference	510863812.46138
Area	2.0768274539378E+16

Sphere

Radius = n

Volume	2.2514609794722E+24
Surface area	8.307309815751E+16
Circumference	510863812.46138

Square

Length = n

Perimeter	325226004
Area	6610747104863001
Diagonal	114984756.4233

Cube

Length = n

Surface area	39664482629178006
Volume	5.3749671609229E+23
Space diagonal	140826990.71765

Equilateral Triangle

Length = n

Perimeter	243919503
Area	2.8625374654029E+15
Altitude	70413495.358825

Triangular Pyramid

Length = n

Surface area	2.8625374654029E+15
Volume	6.334459546906E+22
Height	38328252.141101