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

81306051 (number)

81306051 is an odd 8-digits composite number following 81306050 and preceding 81306052. In scientific notation, it is written as 8.1306051 × 10^7. The sum of its digits is 24. It has a total of 2 prime factors and 4 positive divisors. There are 54204032 positive integers (up to 81306051) that are relatively prime to 81306051.

Interesting facts

81306051 has 4 divisors, whose sum is 108408072
The reverse of 81306051 is 15060318
Previous prime number is 3

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6

Name

Name	eighty-one million three hundred six thousand fifty-one

Notation

Scientific notation	8.1306051 × 10^7
Engineering notation	8.1306051 × 10^6

Prime Factorization of 81306051

Prime Factorization 3 × 27102017

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	81306051	Product of the distinct prime numbers

The prime factorization of 81306051 is 3 × 27102017. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 3, 66, 42, 654, 191, 7264, 3830, 6276, 68297, 950125, 223713, 5382885, 775196, 20098064, 70583958, 426177008, 236854321, 3158085373, 307732832

Basic calculations (n = 81306051)

Multiplication

n×y

n×2	162612102
n×3	243918153
n×4	325224204
n×5	406530255

Division

n÷y

n÷2	40653025.5
n÷3	27102017
n÷3	20326512.75
n÷5	16261210.2

Exponentiation

n^y

n²	6610673929214601
n³	5.3748779163309E+23
n⁴	4.3701009798398E+31
n⁵	3.55315653142E+39

Nth Root

^y√n

²√n	9016.9868026963
³√n	433.21912683936
⁴√n	94.957815911574
⁵√n	38.196588294379

Divisors of 81306051

1, 3, 27102017, 81306051

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	-81306050	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 81306051 can be divided by 4 positive divisors. The sum of these divisors (counting 81306051) is 1, the average is 0.25.

Base conversion 81306051

Base	System	Value
2	Binary	100110110001010000111000011
3	Ternary	12122222202221020
4	Quaternary	10312022013003
5	Quinary	131303243201
6	Senary	12022400523
8	Octal	466120703
10	Decimal	81306051
12	Duodecimal	23290143
16	Hexadecimal	4d8a1c3
20	Vigesimal	158352b
36	Base36	1ceo5f

Cryptographic Hash Functions

md5	a607b5c86a46550695112aa38f144fe2
sha1	dea2f505887be6390522095b59d87b55a41bde88
sha256	bcb0ddb63937904865d041137225ce41e55ebef404318d62480c46864c453c3a
sha512	16c5c680563ea55d41b948dcbcd05d28426ff0e90971b357243c317e600e2cc67d11f1be33a6f616c2822faaad13ad7a24f4c97d17293b302f29e49aa07aae67
ripemd-160	61abc178b2fbc6ede44ec0b797a9551df1d1e284

81306051 as geometric shapes

Circle

Radius = n

Diameter	162612102
Circumference	510860985.02799
Area	2.0768044651298E+16

Sphere

Radius = n

Volume	2.251423596785E+24
Surface area	8.3072178605193E+16
Circumference	510860985.02799

Square

Length = n

Perimeter	325224204
Area	6610673929214601
Diagonal	114984120.0272

Cube

Length = n

Surface area	39664043575287606
Volume	5.3748779163309E+23
Space diagonal	140826211.29479

Equilateral Triangle

Length = n

Perimeter	243918153
Area	2.8625057794177E+15
Altitude	70413105.647393

Triangular Pyramid

Length = n

Surface area	2.8625057794177E+15
Volume	6.3343543711457E+22
Height	38328040.009066