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

81490342 (number)

81490342 is an even 8-digits composite number following 81490341 and preceding 81490343. In scientific notation, it is written as 8.1490342 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 40745170 positive integers (up to 81490342) that are relatively prime to 81490342.

Interesting facts

81490342 has 4 divisors, whose sum is 122235516
The reverse of 81490342 is 24309418
Previous prime number is 2

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4

Name

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

Notation

Scientific notation	8.1490342 × 10^7
Engineering notation	8.1490342 × 10^6

Prime Factorization of 81490342

Prime Factorization 2 × 40745171

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	81490342	Product of the distinct prime numbers

The prime factorization of 81490342 is 2 × 40745171. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 2, 25, 7, 757, 753, 5323, 6038, 63630, 22364, 661497, 102206, 5571810, 6344020, 80428222, 68051870, 786197065, 377400951, 1598035557, 1281742739

Basic calculations (n = 81490342)

Multiplication

n×y

n×2	162980684
n×3	244471026
n×4	325961368
n×5	407451710

Division

n÷y

n÷2	40745171
n÷3	27163447.333333
n÷3	20372585.5
n÷5	16298068.4

Exponentiation

n^y

n²	6640675839276964
n³	5.4115094525382E+23
n⁴	4.4098575602357E+31
n⁵	3.5936080075489E+39

Nth Root

^y√n

²√n	9027.2001196384
³√n	433.54619614322
⁴√n	95.011578871411
⁵√n	38.213888148054

Divisors of 81490342

1, 2, 40745171, 81490342

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	-81490341	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 81490342 can be divided by 4 positive divisors. The sum of these divisors (counting 81490342) is 1, the average is 0.25.

Base conversion 81490342

Base	System	Value
2	Binary	100110110110111000110100110
3	Ternary	12200100010201211
4	Quaternary	10312313012212
5	Quinary	131330142332
6	Senary	12030342034
8	Octal	466670646
10	Decimal	81490342
12	Duodecimal	2335a91a
16	Hexadecimal	4db71a6
20	Vigesimal	15965h2
36	Base36	1cimcm

Cryptographic Hash Functions

md5	0dbd172023d978667abdb92c9ba8cd6f
sha1	d3afbfc6202e806c6db7cc75ad45345c46efc0a6
sha256	295f6585c7adecdaf4bcd3783aa89473c75e93e86d19ab03ae2088cba2ae399c
sha512	ce37f05ec0d51a28ab6c99e5286c9257cb6c87abd4778c7de4e60c61f8e832252a7bae01adf4f662fad403dfa5d6d80c4f09943eb3f34cec371266d60214be56
ripemd-160	ed9ec31beff0bc5c401446a204f8bbd4263952b4

81490342 as geometric shapes

Circle

Radius = n

Diameter	162980684
Circumference	512018919.53144
Area	2.0862298431544E+16

Sphere

Radius = n

Volume	2.2667677787901E+24
Surface area	8.3449193726175E+16
Circumference	512018919.53144

Square

Length = n

Perimeter	325961368
Area	6640675839276964
Diagonal	115244746.85882

Cube

Length = n

Surface area	39844055035661784
Volume	5.4115094525382E+23
Space diagonal	141145412.67016

Equilateral Triangle

Length = n

Perimeter	244471026
Area	2.8754969875557E+15
Altitude	70572706.335082

Triangular Pyramid

Length = n

Surface area	2.8754969875557E+15
Volume	6.3775250505747E+22
Height	38414915.619607