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

81363944 (number)

81363944 is an even 8-digits composite number following 81363943 and preceding 81363945. In scientific notation, it is written as 8.1363944 × 10^7. The sum of its digits is 38. It has a total of 4 prime factors and 8 positive divisors. There are 40681968 positive integers (up to 81363944) that are relatively prime to 81363944.

Interesting facts

81363944 has 8 divisors, whose sum is 152557410
The reverse of 81363944 is 44936318
Previous prime number is 2

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2

Name

Name	eighty-one million three hundred sixty-three thousand nine hundred forty-four

Notation

Scientific notation	8.1363944 × 10^7
Engineering notation	8.1363944 × 10^6

Prime Factorization of 81363944

Prime Factorization 2 × 2 × 2 × 10170493

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	20340986	Product of the distinct prime numbers

The prime factorization of 81363944 is 2 × 2 × 2 × 10170493. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 2, 65, 55, 7, 731, 418, 9576, 63659, 35785, 648109, 741879, 6908674, 6727736, 92755466, 6676928, 926663369, 388294840, 4372771025, 5669603753

Basic calculations (n = 81363944)

Multiplication

n×y

n×2	162727888
n×3	244091832
n×4	325455776
n×5	406819720

Division

n÷y

n÷2	40681972
n÷3	27121314.666667
n÷3	20340986
n÷5	16272788.8

Exponentiation

n^y

n²	6620091383235136
n³	5.3863674458043E+23
n⁴	4.3825609922384E+31
n⁵	3.5658244714907E+39

Nth Root

^y√n

²√n	9020.1964501889
³√n	433.32192527495
⁴√n	94.974714793933
⁵√n	38.202026230453

Divisors of 81363944

1, 2, 4, 8, 10170493, 20340986, 40681972, 81363944

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	-81363943	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 81363944 can be divided by 8 positive divisors. The sum of these divisors (counting 81363944) is 1, the average is 0.125.

Base conversion 81363944

Base	System	Value
2	Binary	100110110011000001111101000
3	Ternary	12200002201100102
4	Quaternary	10312120033220
5	Quinary	131312121234
6	Senary	12023524532
8	Octal	466301750
10	Decimal	81363944
12	Duodecimal	232b9748
16	Hexadecimal	4d983e8
20	Vigesimal	158a9h4
36	Base36	1cfwtk

Cryptographic Hash Functions

md5	85491070f19e2f15ce5c533c81fe4605
sha1	1365093d724ddc28e16703df7c490affa6849fd6
sha256	a99cfb085946381b596abf882b38b2ee732013eb695f228183c380dd31326379
sha512	5c7d40a6ae298b7db4446745e3d18e645acbaf9ec84e85295f899a16e7abd07b6bbab49e4cf0a0fdece505e3b8e1417b42bcc431d6ebe541435adfb6c94df9c4
ripemd-160	6a3fc7ec110800bb485c4009f15ecf57e6d2665d

81363944 as geometric shapes

Circle

Radius = n

Diameter	162727888
Circumference	511224737.47498
Area	2.0797630455665E+16

Sphere

Radius = n

Volume	2.2562363196365E+24
Surface area	8.3190521822658E+16
Circumference	511224737.47498

Square

Length = n

Perimeter	325455776
Area	6620091383235136
Diagonal	115065993.09297

Cube

Length = n

Surface area	39720548299410816
Volume	5.3863674458043E+23
Space diagonal	140926484.91219

Equilateral Triangle

Length = n

Perimeter	244091832
Area	2.866583656628E+15
Altitude	70463242.456094

Triangular Pyramid

Length = n

Surface area	2.866583656628E+15
Volume	6.3478949114844E+22
Height	38355331.030988