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

81742015 (number)

81742015 is an odd 8-digits composite number following 81742014 and preceding 81742016. In scientific notation, it is written as 8.1742015 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 65393608 positive integers (up to 81742015) that are relatively prime to 81742015.

Interesting facts

81742015 has 4 divisors, whose sum is 98090424
The reverse of 81742015 is 51024718
Previous prime number is 5

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1

Name

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

Notation

Scientific notation	8.1742015 × 10^7
Engineering notation	8.1742015 × 10^6

Prime Factorization of 81742015

Prime Factorization 5 × 16348403

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	81742015	Product of the distinct prime numbers

The prime factorization of 81742015 is 5 × 16348403. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 5, 17, 28, 761, 475, 12, 4321, 71848, 88903, 89013, 420704, 8675770, 5608293, 56677116, 68751271, 854236972, 814635225, 6425825881, 1223798892

Basic calculations (n = 81742015)

Multiplication

n×y

n×2	163484030
n×3	245226045
n×4	326968060
n×5	408710075

Division

n÷y

n÷2	40871007.5
n÷3	27247338.333333
n÷3	20435503.75
n÷5	16348403

Exponentiation

n^y

n²	6681757016260225
n³	5.461802822495E+23
n⁴	4.4645876824343E+31
n⁵	3.6494439330636E+39

Nth Root

^y√n

²√n	9041.1290777203
³√n	433.99205567795
⁴√n	95.084851988739
⁵√n	38.237462831218

Divisors of 81742015

1, 5, 16348403, 81742015

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	-81742014	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 81742015 can be divided by 4 positive divisors. The sum of these divisors (counting 81742015) is 1, the average is 0.25.

Base conversion 81742015

Base	System	Value
2	Binary	100110111110100100010111111
3	Ternary	12200210220222001
4	Quaternary	10313310202333
5	Quinary	131411221030
6	Senary	12040003131
8	Octal	467644277
10	Decimal	81742015
12	Duodecimal	234604a7
16	Hexadecimal	4df48bf
20	Vigesimal	15ahf0f
36	Base36	1co0jj

Cryptographic Hash Functions

md5	cf94553e37acc3255e766505501ec5e2
sha1	6832398c09c7863120cef27514a53b3ab4b65dc7
sha256	caf3572ba8fa96272fab1877e64977cda189a14db38a419842a08dcee3efd437
sha512	fc18fd4cad44888e554a0706f30817c5d5bcb01f9c365780b66c3b364a08316311e4b6a3a93b841c8c98736006683d412d16783dd5cded788dcf0ae97b3c95ac
ripemd-160	ab471de9f0cf307be972881390e208466f852a18

81742015 as geometric shapes

Circle

Radius = n

Diameter	163484030
Circumference	513600227.62725
Area	2.0991358755355E+16

Sphere

Radius = n

Volume	2.2878346163342E+24
Surface area	8.3965435021421E+16
Circumference	513600227.62725

Square

Length = n

Perimeter	326968060
Area	6681757016260225
Diagonal	115600666.2287

Cube

Length = n

Surface area	40090542097561350
Volume	5.461802822495E+23
Space diagonal	141581323.09306

Equilateral Triangle

Length = n

Perimeter	245226045
Area	2.8932856589981E+15
Altitude	70790661.546529

Triangular Pyramid

Length = n

Surface area	2.8932856589981E+15
Volume	6.4367963554834E+22
Height	38533555.409568