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

81013539 (number)

81013539 is an odd 8-digits composite number following 81013538 and preceding 81013540. In scientific notation, it is written as 8.1013539 × 10^7. The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors. There are 54009024 positive integers (up to 81013539) that are relatively prime to 81013539.

Interesting facts

81013539 has 4 divisors, whose sum is 108018056
The reverse of 81013539 is 93531018
Previous prime number is 3

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3

Name

Name	eighty-one million thirteen thousand five hundred thirty-nine

Notation

Scientific notation	8.1013539 × 10^7
Engineering notation	8.1013539 × 10^6

Prime Factorization of 81013539

Prime Factorization 3 × 27004513

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	81013539	Product of the distinct prime numbers

The prime factorization of 81013539 is 3 × 27004513. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 2, 81, 27, 234, 366, 6225, 7338, 81210, 83312, 174607, 884116, 541196, 406754, 36084588, 18460946, 229280969, 808449663, 2812443373, 595941548

Basic calculations (n = 81013539)

Multiplication

n×y

n×2	162027078
n×3	243040617
n×4	324054156
n×5	405067695

Division

n÷y

n÷2	40506769.5
n÷3	27004513
n÷3	20253384.75
n÷5	16202707.8

Exponentiation

n^y

n²	6563193501304521
n³	5.3170753268248E+23
n⁴	4.3075508935566E+31
n⁵	3.4896994230963E+39

Nth Root

^y√n

²√n	9000.7521352385
³√n	432.69897668369
⁴√n	94.872293823004
⁵√n	38.169064945936

Divisors of 81013539

1, 3, 27004513, 81013539

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	-81013538	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 81013539 can be divided by 4 positive divisors. The sum of these divisors (counting 81013539) is 1, the average is 0.25.

Base conversion 81013539

Base	System	Value
2	Binary	100110101000010101100100011
3	Ternary	12122102220200110
4	Quaternary	10311002230203
5	Quinary	131214413124
6	Senary	12012222403
8	Octal	465025443
10	Decimal	81013539
12	Duodecimal	2316aa03
16	Hexadecimal	4d42b23
20	Vigesimal	1566dgj
36	Base36	1c8eg3

Cryptographic Hash Functions

md5	0c5f2c79566677680c36e6aa6d1dc402
sha1	441f88b1788b3754d2c22d22cc9c5dacef9bad53
sha256	6a2075144c4672e8ea49bd2ae97332f807a2dc5c1bc4983654f91400bdd93754
sha512	6ce389443e30c105b4b7d795537c5369215498956135f727bde8bbe6ede11f5d8e43a412d02da64e4570d37962e3bfb0922d579bbc2fa544a0b0f803714b8c6c
ripemd-160	16c1c7e517f9f7ac4050acfe62d12e17ce1dfe82

81013539 as geometric shapes

Circle

Radius = n

Diameter	162027078
Circumference	509023077.92742
Area	2.0618880487787E+16

Sphere

Radius = n

Volume	2.2272113047115E+24
Surface area	8.2475521951146E+16
Circumference	509023077.92742

Square

Length = n

Perimeter	324054156
Area	6563193501304521
Diagonal	114570445.58964

Cube

Length = n

Surface area	39379161007827126
Volume	5.3170753268248E+23
Space diagonal	140319565.64896

Equilateral Triangle

Length = n

Perimeter	243040617
Area	2.8419461510413E+15
Altitude	70159782.824481

Triangular Pyramid

Length = n

Surface area	2.8419461510413E+15
Volume	6.2662333661292E+22
Height	38190148.529881