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

81312263 (number)

81312263 is an odd 8-digits prime number following 81312262 and preceding 81312264. In scientific notation, it is written as 8.1312263 × 10^7. The sum of its digits is 26. It has a total of 1 prime factors and 2 positive divisors. There are 81312262 positive integers (up to 81312263) that are relatively prime to 81312263.

Interesting facts

81312263 has 2 divisors, whose sum is 81312264
The reverse of 81312263 is 36221318
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8

Name

Name	eighty-one million three hundred twelve thousand two hundred sixty-three

Notation

Scientific notation	8.1312263 × 10^7
Engineering notation	8.1312263 × 10^6

Prime Factorization of 81312263

Prime Factorization 81312263

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	81312263	Product of the distinct prime numbers

The prime factorization of 81312263 is 81312263. Since it has a total of 1 prime factors.

Most popular turbo-numbers

2, 9, 96, 13, 280, 406, 5047, 5260, 23725, 15713, 647263, 443369, 7254772, 4596738, 27255406, 74069378, 172700497, 877534667, 1997417156, 9768694826

Basic calculations (n = 81312263)

Multiplication

n×y

n×2	162624526
n×3	243936789
n×4	325249052
n×5	406561315

Division

n÷y

n÷2	40656131.5
n÷3	27104087.666667
n÷3	20328065.75
n÷5	16262452.6

Exponentiation

n^y

n²	6611684114181169
n³	5.3761099756522E+23
n⁴	4.3714366825716E+31
n⁵	3.5545140922111E+39

Nth Root

^y√n

²√n	9017.3312570849
³√n	433.23015959214
⁴√n	94.959629617458
⁵√n	38.197171940867

Divisors of 81312263

1, 81312263

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	81312264	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	40656132	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	9017.3313125337	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999999754035	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81312263 can be divided by 2 positive divisors. The sum of these divisors (counting 81312263) is 81312264, the average is 40656132.

Base conversion 81312263

Base	System	Value
2	Binary	100110110001011101000000111
3	Ternary	12200000002110022
4	Quaternary	10312023220013
5	Quinary	131303443023
6	Senary	12022445355
8	Octal	466135007
10	Decimal	81312263
12	Duodecimal	2329385b
16	Hexadecimal	4d8ba07
20	Vigesimal	15840d3
36	Base36	1cesxz

Cryptographic Hash Functions

md5	a9617252502f5fd09ce3321388ce7fc9
sha1	21201ae45780eb9d9e93f80d10a37169654e2bd3
sha256	48ee250d66f6d74ff4e24b30a1a2d819e0d8bfda4ebaf66b0fb8809d027eb800
sha512	e1e56ad2b6f2cc1720a2b9630e3bb42348e6ae06f0f65d3308178ff5d91d1504107103f4534556bd89a67f1d00b4f62e13d5d35a492fc8fdfb1f6ab5bfb2e5cf
ripemd-160	80ad7d8a3e04ac782784209395ecc8af965aa1c4

81312263 as geometric shapes

Circle

Radius = n

Diameter	162624526
Circumference	510900016.17512
Area	2.0771218240968E+16

Sphere

Radius = n

Volume	2.2519396805866E+24
Surface area	8.3084872963872E+16
Circumference	510900016.17512

Square

Length = n

Perimeter	325249052
Area	6611684114181169
Diagonal	114992905.12185

Cube

Length = n

Surface area	39670104685087014
Volume	5.3761099756522E+23
Space diagonal	140836970.7944

Equilateral Triangle

Length = n

Perimeter	243936789
Area	2.8629432023395E+15
Altitude	70418485.397201

Triangular Pyramid

Length = n

Surface area	2.8629432023395E+15
Volume	6.3358063669805E+22
Height	38330968.373949