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

81293437 (number)

81293437 is an odd 8-digits composite number following 81293436 and preceding 81293438. In scientific notation, it is written as 8.1293437 × 10^7. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 80313916 positive integers (up to 81293437) that are relatively prime to 81293437.

Interesting facts

81293437 has 4 divisors, whose sum is 82272960
The reverse of 81293437 is 73439218
Previous prime number is 83

Basic properties

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

Name

Name	eighty-one million two hundred ninety-three thousand four hundred thirty-seven

Notation

Scientific notation	8.1293437 × 10^7
Engineering notation	8.1293437 × 10^6

Prime Factorization of 81293437

Prime Factorization 83 × 979439

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	81293437	Product of the distinct prime numbers

The prime factorization of 81293437 is 83 × 979439. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 10, 96, 65, 252, 34, 603, 5478, 39208, 40748, 94095, 386746, 8496340, 9894149, 92791513, 56125786, 883145391, 836548290, 8664676916, 9203734241

Basic calculations (n = 81293437)

Multiplication

n×y

n×2	162586874
n×3	243880311
n×4	325173748
n×5	406467185

Division

n÷y

n÷2	40646718.5
n÷3	27097812.333333
n÷3	20323359.25
n÷5	16258687.4

Exponentiation

n^y

n²	6608622899272969
n³	5.372376693188E+23
n⁴	4.3673896624795E+31
n⁵	3.5504011638123E+39

Nth Root

^y√n

²√n	9016.2873179596
³√n	433.19672215721
⁴√n	94.954132706058
⁵√n	38.19540304024

Divisors of 81293437

1, 83, 979439, 81293437

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	-81293436	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 81293437 can be divided by 4 positive divisors. The sum of these divisors (counting 81293437) is 1, the average is 0.25.

Base conversion 81293437

Base	System	Value
2	Binary	100110110000111000001111101
3	Ternary	12122222010122001
4	Quaternary	10312013001331
5	Quinary	131302342222
6	Senary	12022222301
8	Octal	466070175
10	Decimal	81293437
12	Duodecimal	23284991
16	Hexadecimal	4d8707d
20	Vigesimal	1581dbh
36	Base36	1ceef1

Cryptographic Hash Functions

md5	e1b596263e14040d3816e6d871fcdadc
sha1	4849edd61979685cd7650a0d776e797c850d5f90
sha256	0aa6825faf15e3d4e1c3504a5f323c72433843d8c8536cf795699cca1cb4d34e
sha512	2d5d2ac1c4ce6397a11effcd907f0ed2a25aa97e4745a3bf27df22d28e21e592fe35ecdbe57e2a039df2225cb5e8e0c5dd8f81022ce6ae8c495386b7186c8790
ripemd-160	1d751d3630c163b560b46bedd06eda6ca91d62df

81293437 as geometric shapes

Circle

Radius = n

Diameter	162586874
Circumference	510781728.92853
Area	2.0761601150701E+16

Sphere

Radius = n

Volume	2.2503758868849E+24
Surface area	8.3046404602805E+16
Circumference	510781728.92853

Square

Length = n

Perimeter	325173748
Area	6608622899272969
Diagonal	114966281.13732

Cube

Length = n

Surface area	39651737395637814
Volume	5.372376693188E+23
Space diagonal	140804363.2059

Equilateral Triangle

Length = n

Perimeter	243880311
Area	2.861617657401E+15
Altitude	70402181.60295

Triangular Pyramid

Length = n

Surface area	2.861617657401E+15
Volume	6.331406651403E+22
Height	38322093.712441