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

81682738 (number)

81682738 is an even 8-digits composite number following 81682737 and preceding 81682739. In scientific notation, it is written as 8.1682738 × 10^7. The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors. There are 40841368 positive integers (up to 81682738) that are relatively prime to 81682738.

Interesting facts

81682738 has 4 divisors, whose sum is 122524110
The reverse of 81682738 is 83728618
Previous prime number is 2

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 43
Digital Root 7

Name

Name	eighty-one million six hundred eighty-two thousand seven hundred thirty-eight

Notation

Scientific notation	8.1682738 × 10^7
Engineering notation	8.1682738 × 10^6

Prime Factorization of 81682738

Prime Factorization 2 × 40841369

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	81682738	Product of the distinct prime numbers

The prime factorization of 81682738 is 2 × 40841369. Since it has a total of 2 prime factors.

Most popular turbo-numbers

5, 9, 10, 12, 567, 823, 5631, 9054, 58428, 32169, 234925, 875334, 6390192, 3593644, 428313, 31822530, 412192577, 510282608, 4881380736, 1606716259

Basic calculations (n = 81682738)

Multiplication

n×y

n×2	163365476
n×3	245048214
n×4	326730952
n×5	408413690

Division

n÷y

n÷2	40841369
n÷3	27227579.333333
n÷3	20420684.5
n÷5	16336547.6

Exponentiation

n^y

n²	6672069687176644
n³	5.4499292017539E+23
n⁴	4.4516513910541E+31
n⁵	3.6362307424281E+39

Nth Root

^y√n

²√n	9037.8502974988
³√n	433.88712404999
⁴√n	95.067609086896
⁵√n	38.231915476309

Divisors of 81682738

1, 2, 40841369, 81682738

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	-81682737	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 81682738 can be divided by 4 positive divisors. The sum of these divisors (counting 81682738) is 1, the average is 0.25.

Base conversion 81682738

Base	System	Value
2	Binary	100110111100110000100110010
3	Ternary	12200200220122121
4	Quaternary	10313212010302
5	Quinary	131402321423
6	Senary	12034424454
8	Octal	467460462
10	Decimal	81682738
12	Duodecimal	2343212a
16	Hexadecimal	4de6132
20	Vigesimal	15aa6gi
36	Base36	1cmqsy

Cryptographic Hash Functions

md5	dcdf19b3b18b40d9700c7d3e18969204
sha1	ba2e13936f5a3802b2d88dadf7efac87f716f4a1
sha256	c294ed7b62aef10dcafcb9bb4e4a3f855784eb965620be7c6b6a84aa7101733c
sha512	cda8c3fa8cc0c44c684de2a2cbe2c9d7617334f31f7b5656ac6b430c1d64a4bb1037a54a364745378fcd6d9f476ab9f62c52dc1e087752fa449dc5f1b1cb09c7
ripemd-160	6ca2c74b0717ec87b3f7b86438d6ad8ffe59d6f9

81682738 as geometric shapes

Circle

Radius = n

Diameter	163365476
Circumference	513227779.2518
Area	2.0960925113473E+16

Sphere

Radius = n

Volume	2.2828610057086E+24
Surface area	8.3843700453893E+16
Circumference	513227779.2518

Square

Length = n

Perimeter	326730952
Area	6672069687176644
Diagonal	115516835.89137

Cube

Length = n

Surface area	40032418123059864
Volume	5.4499292017539E+23
Space diagonal	141478652.31734

Equilateral Triangle

Length = n

Perimeter	245048214
Area	2.8890909224575E+15
Altitude	70739326.158669

Triangular Pyramid

Length = n

Surface area	2.8890909224575E+15
Volume	6.4228031592446E+22
Height	38505611.963789