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

81496739 (number)

81496739 is an odd 8-digits composite number following 81496738 and preceding 81496740. In scientific notation, it is written as 8.1496739 × 10^7. The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors. There are 79601424 positive integers (up to 81496739) that are relatively prime to 81496739.

Interesting facts

81496739 has 4 divisors, whose sum is 83392056
The reverse of 81496739 is 93769418
Previous prime number is 43

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 47
Digital Root 2

Name

Name	eighty-one million four hundred ninety-six thousand seven hundred thirty-nine

Notation

Scientific notation	8.1496739 × 10^7
Engineering notation	8.1496739 × 10^6

Prime Factorization of 81496739

Prime Factorization 43 × 1895273

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	81496739	Product of the distinct prime numbers

The prime factorization of 81496739 is 43 × 1895273. Since it has a total of 2 prime factors.

Most popular turbo-numbers

4, 3, 74, 62, 179, 53, 9380, 1336, 86842, 24971, 170653, 223415, 7340743, 3774269, 18185664, 41872397, 626360211, 400096670, 2586983952, 6388362484

Basic calculations (n = 81496739)

Multiplication

n×y

n×2	162993478
n×3	244490217
n×4	325986956
n×5	407483695

Division

n÷y

n÷2	40748369.5
n÷3	27165579.666667
n÷3	20374184.75
n÷5	16299347.8

Exponentiation

n^y

n²	6641718467634121
n³	5.4127839646826E+23
n⁴	4.4112424203312E+31
n⁵	3.5950187219546E+39

Nth Root

^y√n

²√n	9027.5544307415
³√n	433.55754031964
⁴√n	95.013443421136
⁵√n	38.214488088025

Divisors of 81496739

1, 43, 1895273, 81496739

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	-81496738	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 81496739 can be divided by 4 positive divisors. The sum of these divisors (counting 81496739) is 1, the average is 0.25.

Base conversion 81496739

Base	System	Value
2	Binary	100110110111000101010100011
3	Ternary	12200100110111202
4	Quaternary	10312320222203
5	Quinary	131330343424
6	Senary	12030431415
8	Octal	466705243
10	Decimal	81496739
12	Duodecimal	2336256b
16	Hexadecimal	4db8aa3
20	Vigesimal	15971gj
36	Base36	1cirab

Cryptographic Hash Functions

md5	e9cd506f8e03c583245751dc93bc7746
sha1	ce7421e061a51005ce0975d6f98ba53d703ff9f0
sha256	45fcd0ff3941c05912ce7586929e4190e940d4221cf5c8add1c009bb443e84f6
sha512	a5df97c3deac6d7e898a888c478a7f0f9557e99db30663f5498547f2706b3f36ff94582c7b524bdaacfa9fb42f7850dd98fa4ed9edf1e0e6eeee36552df93edf
ripemd-160	cdc4ac1baf9f6bb8f8fee08b8aab4229c721706f

81496739 as geometric shapes

Circle

Radius = n

Diameter	162993478
Circumference	512059113.06785
Area	2.0865573945131E+16

Sphere

Radius = n

Volume	2.2673016451887E+24
Surface area	8.3462295780524E+16
Circumference	512059113.06785

Square

Length = n

Perimeter	325986956
Area	6641718467634121
Diagonal	115253793.58298

Cube

Length = n

Surface area	39850310805804726
Volume	5.4127839646826E+23
Space diagonal	141156492.59918

Equilateral Triangle

Length = n

Perimeter	244490217
Area	2.8759484588777E+15
Altitude	70578246.29959

Triangular Pyramid

Length = n

Surface area	2.8759484588777E+15
Volume	6.3790270775414E+22
Height	38417931.194327