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

81490246 (number)

81490246 is an even 8-digits composite number following 81490245 and preceding 81490247. In scientific notation, it is written as 8.1490246 × 10^7. The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors. There are 39797520 positive integers (up to 81490246) that are relatively prime to 81490246.

Interesting facts

81490246 has 8 divisors, whose sum is 125078184
The reverse of 81490246 is 64209418
Previous prime number is 43

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7

Name

Name	eighty-one million four hundred ninety thousand two hundred forty-six

Notation

Scientific notation	8.1490246 × 10^7
Engineering notation	8.1490246 × 10^6

Prime Factorization of 81490246

Prime Factorization 2 × 43 × 947561

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	81490246	Product of the distinct prime numbers

The prime factorization of 81490246 is 2 × 43 × 947561. Since it has a total of 3 prime factors.

Most popular turbo-numbers

3, 3, 39, 51, 117, 835, 9404, 8681, 89067, 95936, 101287, 170341, 766175, 5010649, 66552933, 23815986, 290001981, 26070965, 8289621280, 922916983

Basic calculations (n = 81490246)

Multiplication

n×y

n×2	162980492
n×3	244470738
n×4	325960984
n×5	407451230

Division

n÷y

n÷2	40745123
n÷3	27163415.333333
n÷3	20372561.5
n÷5	16298049.2

Exponentiation

n^y

n²	6640660193140516
n³	5.4114903274143E+23
n⁴	4.4098367800761E+31
n⁵	3.5935868402825E+39

Nth Root

^y√n

²√n	9027.1948023735
³√n	433.54602589625
⁴√n	95.011550889213
⁵√n	38.213879144447

Divisors of 81490246

1, 2, 43, 86, 947561, 1895122, 40745123, 81490246

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	-81490245	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 81490246 can be divided by 8 positive divisors. The sum of these divisors (counting 81490246) is 1, the average is 0.125.

Base conversion 81490246

Base	System	Value
2	Binary	100110110110111000101000110
3	Ternary	12200100010121021
4	Quaternary	10312313011012
5	Quinary	131330141441
6	Senary	12030341354
8	Octal	466670506
10	Decimal	81490246
12	Duodecimal	2335a85a
16	Hexadecimal	4db7146
20	Vigesimal	15965c6
36	Base36	1cim9y

Cryptographic Hash Functions

md5	265f619c1b6bfdeb837687eebdccafd3
sha1	ce35296f7862e74ad975805f08fd7a3cc21ca37e
sha256	c8f545cc20b0ba1359c86714a22f22bf58cf13d3891d388ceb1fc815345ce7a4
sha512	999be687e68d0f0395112ba94a8ce4d18c025f354d1ab6c43321afb8729a834e8cd3265dc245b89518c2445332f9fe8b6ec8ef183da8935443eb193bec12d6a8
ripemd-160	8128e003a3b202d2e81e00b96e8067b79fb72cb1

81490246 as geometric shapes

Circle

Radius = n

Diameter	162980492
Circumference	512018316.34565
Area	2.0862249277756E+16

Sphere

Radius = n

Volume	2.2667597676769E+24
Surface area	8.3448997111026E+16
Circumference	512018316.34565

Square

Length = n

Perimeter	325960984
Area	6640660193140516
Diagonal	115244611.09432

Cube

Length = n

Surface area	39843961158843096
Volume	5.4114903274143E+23
Space diagonal	141145246.39329

Equilateral Triangle

Length = n

Perimeter	244470738
Area	2.8754902125799E+15
Altitude	70572623.196643

Triangular Pyramid

Length = n

Surface area	2.8754902125799E+15
Volume	6.3775025114001E+22
Height	38414870.364773