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

81353018 (number)

81353018 is an even 8-digits composite number following 81353017 and preceding 81353019. In scientific notation, it is written as 8.1353018 × 10^7. The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors. There are 40676508 positive integers (up to 81353018) that are relatively prime to 81353018.

Interesting facts

81353018 has 4 divisors, whose sum is 122029530
The reverse of 81353018 is 81035318
Previous prime number is 2

Basic properties

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

Name

Name	eighty-one million three hundred fifty-three thousand eighteen

Notation

Scientific notation	8.1353018 × 10^7
Engineering notation	8.1353018 × 10^6

Prime Factorization of 81353018

Prime Factorization 2 × 40676509

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	81353018	Product of the distinct prime numbers

The prime factorization of 81353018 is 2 × 40676509. Since it has a total of 2 prime factors.

Most popular turbo-numbers

4, 9, 19, 6, 194, 762, 1745, 8348, 48098, 79366, 818303, 487832, 7178179, 3928876, 58663948, 86164727, 202529128, 746550581, 9658413429, 1961633592

Basic calculations (n = 81353018)

Multiplication

n×y

n×2	162706036
n×3	244059054
n×4	325412072
n×5	406765090

Division

n÷y

n÷2	40676509
n÷3	27117672.666667
n÷3	20338254.5
n÷5	16270603.6

Exponentiation

n^y

n²	6618313537708324
n³	5.3841978036283E+23
n⁴	4.3802074083413E+31
n⁵	3.5634309213453E+39

Nth Root

^y√n

²√n	9019.5907889438
³√n	433.30252811915
⁴√n	94.971526200982
⁵√n	38.201000179503

Divisors of 81353018

1, 2, 40676509, 81353018

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	-81353017	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 81353018 can be divided by 4 positive divisors. The sum of these divisors (counting 81353018) is 1, the average is 0.25.

Base conversion 81353018

Base	System	Value
2	Binary	100110110010101100100111010
3	Ternary	12200002011100202
4	Quaternary	10312111210322
5	Quinary	131311244033
6	Senary	12023402202
8	Octal	466254472
10	Decimal	81353018
12	Duodecimal	232b3362
16	Hexadecimal	4d9593a
20	Vigesimal	15892ai
36	Base36	1cfoe2

Cryptographic Hash Functions

md5	676415def6fa5ccf8259bad3f23f3295
sha1	09ed883f3bf627feb636dd6f0ee544b5805c0de4
sha256	955360bef2beaf0c4d3d3f1263b5dd2df859e380192e84a40ce817b6dec65655
sha512	f98aae2d151be5b843d84d1fe6cc66cc4ff51f8d1bfcaaf3e1eaa23b37f5325fbd3711a918ccb3881c0c7374027f7d2480e0dac5dcf184575c5fd8c7a8e7bce8
ripemd-160	42b61e4fa086cda46fd6fef58509d0e3544bef30

81353018 as geometric shapes

Circle

Radius = n

Diameter	162706036
Circumference	511156087.39232
Area	2.0792045189218E+16

Sphere

Radius = n

Volume	2.2553275020471E+24
Surface area	8.3168180756873E+16
Circumference	511156087.39232

Square

Length = n

Perimeter	325412072
Area	6618313537708324
Diagonal	115050541.39558

Cube

Length = n

Surface area	39709881226249944
Volume	5.3841978036283E+23
Space diagonal	140907560.52507

Equilateral Triangle

Length = n

Perimeter	244059054
Area	2.8658138269329E+15
Altitude	70453780.262533

Triangular Pyramid

Length = n

Surface area	2.8658138269329E+15
Volume	6.3453379636588E+22
Height	38350180.465194