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

81007243 (number)

81007243 is an odd 8-digits prime number following 81007242 and preceding 81007244. In scientific notation, it is written as 8.1007243 × 10^7. The sum of its digits is 25. It has a total of 1 prime factors and 2 positive divisors. There are 81007242 positive integers (up to 81007243) that are relatively prime to 81007243.

Interesting facts

81007243 has 2 divisors, whose sum is 81007244
The reverse of 81007243 is 34270018
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7

Name

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

Notation

Scientific notation	8.1007243 × 10^7
Engineering notation	8.1007243 × 10^6

Prime Factorization of 81007243

Prime Factorization 81007243

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	81007243	Product of the distinct prime numbers

The prime factorization of 81007243 is 81007243. Since it has a total of 1 prime factors.

Most popular turbo-numbers

4, 4, 13, 17, 419, 372, 1841, 749, 87419, 11887, 422751, 890227, 9376519, 3965964, 18671352, 38217179, 912991072, 311340402, 2148136949, 8619158633

Basic calculations (n = 81007243)

Multiplication

n×y

n×2	162014486
n×3	243021729
n×4	324028972
n×5	405036215

Division

n÷y

n÷2	40503621.5
n÷3	27002414.333333
n÷3	20251810.75
n÷5	16201448.6

Exponentiation

n^y

n²	6562173418461049
n³	5.3158357671741E+23
n⁴	4.3062119973957E+31
n⁵	3.4883436168255E+39

Nth Root

^y√n

²√n	9000.4023798939
³√n	432.68776726789
⁴√n	94.870450509597
⁵√n	38.168471662624

Divisors of 81007243

1, 81007243

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	81007244	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	40503622	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	9000.402435447	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999999753108	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81007243 can be divided by 2 positive divisors. The sum of these divisors (counting 81007243) is 81007244, the average is 40503622.

Base conversion 81007243

Base	System	Value
2	Binary	100110101000001001010001011
3	Ternary	12122102121001021
4	Quaternary	10311001022023
5	Quinary	131214212433
6	Senary	12012133311
8	Octal	465011213
10	Decimal	81007243
12	Duodecimal	23167237
16	Hexadecimal	4d4128b
20	Vigesimal	1565i23
36	Base36	1c89l7

Cryptographic Hash Functions

md5	55194dc291bcee068f855a08468d7d21
sha1	dac7567d0568b10f263796fa37d6dd17ff23c518
sha256	065e8488d282f1ff236f74042391c65066ed4bee363d4c07ed48eb5eee5956e2
sha512	470e1b6e746b00a920d6aae7d31ec62f1ce1ae3b79a0096acd0dfe6f12d2ae2af3ff59e8bc45a92533a761274c72c10b8cc1702b5111a9bab61f83a04a399197
ripemd-160	254f70ce3596e39aa378efcdb99cd98044f47586

81007243 as geometric shapes

Circle

Radius = n

Diameter	162014486
Circumference	508983518.99273
Area	2.0615675803019E+16

Sphere

Radius = n

Volume	2.2266920791792E+24
Surface area	8.2462703212078E+16
Circumference	508983518.99273

Square

Length = n

Perimeter	324028972
Area	6562173418461049
Diagonal	114561541.70105

Cube

Length = n

Surface area	39373040510766294
Volume	5.3158357671741E+23
Space diagonal	140308660.65708

Equilateral Triangle

Length = n

Perimeter	243021729
Area	2.8415044422131E+15
Altitude	70154330.328539

Triangular Pyramid

Length = n

Surface area	2.8415044422131E+15
Volume	6.2647725310714E+22
Height	38187180.567018