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

81242243 (number)

81242243 is an odd 8-digits composite number following 81242242 and preceding 81242244. In scientific notation, it is written as 8.1242243 × 10^7. The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors. There are 81219528 positive integers (up to 81242243) that are relatively prime to 81242243.

Interesting facts

81242243 has 4 divisors, whose sum is 81264960
The reverse of 81242243 is 34224218
Previous prime number is 4447

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8

Name

Name	eighty-one million two hundred forty-two thousand two hundred forty-three

Notation

Scientific notation	8.1242243 × 10^7
Engineering notation	8.1242243 × 10^6

Prime Factorization of 81242243

Prime Factorization 4447 × 18269

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	81242243	Product of the distinct prime numbers

The prime factorization of 81242243 is 4447 × 18269. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 4, 15, 13, 543, 977, 6024, 4464, 73672, 36902, 199185, 42033, 8111544, 868465, 13761471, 69962104, 891580257, 630961276, 3519375336, 1140952216

Basic calculations (n = 81242243)

Multiplication

n×y

n×2	162484486
n×3	243726729
n×4	324968972
n×5	406211215

Division

n÷y

n÷2	40621121.5
n÷3	27080747.666667
n÷3	20310560.75
n÷5	16248448.6

Exponentiation

n^y

n²	6600302047671049
n³	5.3622334283029E+23
n⁴	4.3563987120491E+31
n⁵	3.5392360276918E+39

Nth Root

^y√n

²√n	9013.4478974475
³√n	433.10576881284
⁴√n	94.939179991442
⁵√n	38.190591167904

Divisors of 81242243

1, 4447, 18269, 81242243

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	-81242242	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 81242243 can be divided by 4 positive divisors. The sum of these divisors (counting 81242243) is 1, the average is 0.25.

Base conversion 81242243

Base	System	Value
2	Binary	100110101111010100010000011
3	Ternary	12122212112101222
4	Quaternary	10311322202003
5	Quinary	131244222433
6	Senary	12021145255
8	Octal	465724203
10	Decimal	81242243
12	Duodecimal	2325b22b
16	Hexadecimal	4d7a883
20	Vigesimal	157f5c3
36	Base36	1cdawz

Cryptographic Hash Functions

md5	3a20570b66e2fbc76638a5fc0acd30a1
sha1	a29f7fa07f0f21fcf541d343d7279e6ccc9322da
sha256	7af2f5538e41a8709827a0bb226c0da69156edb4dc64c8babf9f1ccbdb6b3c35
sha512	0adf16a67a3ee2e4316fd9825a7e1594e83f2dd78439f52d2bebd1e21b300024b955963f967ae0101d3d01a52a7d1181700fb3b6090b553caecf50393a190465
ripemd-160	f89e812e9cd8e70d7657a3d9043fc2d13af95fce

81242243 as geometric shapes

Circle

Radius = n

Diameter	162484486
Circumference	510460067.53991
Area	2.0735460424437E+16

Sphere

Radius = n

Volume	2.2461270860253E+24
Surface area	8.2941841697748E+16
Circumference	510460067.53991

Square

Length = n

Perimeter	324968972
Area	6600302047671049
Diagonal	114893881.88821

Cube

Length = n

Surface area	39601812286026294
Volume	5.3622334283029E+23
Space diagonal	140715692.59686

Equilateral Triangle

Length = n

Perimeter	243726729
Area	2.8580146229668E+15
Altitude	70357846.298428

Triangular Pyramid

Length = n

Surface area	2.8580146229668E+15
Volume	6.3194526990969E+22
Height	38297960.629404