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

81506746 (number)

81506746 is an even 8-digits composite number following 81506745 and preceding 81506747. In scientific notation, it is written as 8.1506746 × 10^7. The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors. There are 40685628 positive integers (up to 81506746) that are relatively prime to 81506746.

Interesting facts

81506746 has 8 divisors, whose sum is 122463360
The reverse of 81506746 is 64760518
Previous prime number is 607

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1

Name

Name	eighty-one million five hundred six thousand seven hundred forty-six

Notation

Scientific notation	8.1506746 × 10^7
Engineering notation	8.1506746 × 10^6

Prime Factorization of 81506746

Prime Factorization 2 × 607 × 67139

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	81506746	Product of the distinct prime numbers

The prime factorization of 81506746 is 2 × 607 × 67139. Since it has a total of 3 prime factors.

Most popular turbo-numbers

4, 2, 63, 39, 378, 351, 3188, 418, 93179, 37475, 877035, 410348, 2524593, 3262587, 40246403, 19610837, 38291834, 321210648, 9397237061, 8210857546

Basic calculations (n = 81506746)

Multiplication

n×y

n×2	163013492
n×3	244520238
n×4	326026984
n×5	407533730

Division

n÷y

n÷2	40753373
n÷3	27168915.333333
n÷3	20376686.5
n÷5	16301349.2

Exponentiation

n^y

n²	6643349643508516
n³	5.4147781198264E+23
n⁴	4.4134094485905E+31
n⁵	3.5972264292026E+39

Nth Root

^y√n

²√n	9028.1086612867
³√n	433.57528513083
⁴√n	95.016359966517
⁵√n	38.215426514779

Divisors of 81506746

1, 2, 607, 1214, 67139, 134278, 40753373, 81506746

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	-81506745	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 81506746 can be divided by 8 positive divisors. The sum of these divisors (counting 81506746) is 1, the average is 0.125.

Base conversion 81506746

Base	System	Value
2	Binary	100110110111011000110111010
3	Ternary	12200100222020101
4	Quaternary	10312323012322
5	Quinary	131331203441
6	Senary	12030550014
8	Octal	466730672
10	Decimal	81506746
12	Duodecimal	2336830a
16	Hexadecimal	4dbb1ba
20	Vigesimal	15986h6
36	Base36	1ciz0a

Cryptographic Hash Functions

md5	f3eeac4d0aa2ad450ead7135c77c32af
sha1	7b3f7c5079ccb2e08a9c77c009869d8e21f5dac7
sha256	4a6d16b266bba46ec67dcd1a5015e2b238920b974aa15dd8ff6a785bde28e0c4
sha512	4990efb0af754add8af9e6756978992f66d0c76d6e839d7152c76f60f3ae7acdab8e5e535be1b2c9385c46bfe9e51bd23b8d6e289f5c1be4258d05a33c44c3f5
ripemd-160	65ddc75528c3c6c31d08431cc1f1e10e65589b5f

81506746 as geometric shapes

Circle

Radius = n

Diameter	163013492
Circumference	512121988.90322
Area	2.0870698435275E+16

Sphere

Radius = n

Volume	2.268136954942E+24
Surface area	8.3482793741099E+16
Circumference	512121988.90322

Square

Length = n

Perimeter	326026984
Area	6643349643508516
Diagonal	115267945.6181

Cube

Length = n

Surface area	39860097861051096
Volume	5.4147781198264E+23
Space diagonal	141173825.23161

Equilateral Triangle

Length = n

Perimeter	244520238
Area	2.8766547787503E+15
Altitude	70586912.615806

Triangular Pyramid

Length = n

Surface area	2.8766547787503E+15
Volume	6.3813772119163E+22
Height	38422648.539366