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

81444613 (number)

81444613 is an odd 8-digits prime number following 81444612 and preceding 81444614. In scientific notation, it is written as 8.1444613 × 10^7. The sum of its digits is 31. It has a total of 1 prime factors and 2 positive divisors. There are 81444612 positive integers (up to 81444613) that are relatively prime to 81444613.

Interesting facts

81444613 has 2 divisors, whose sum is 81444614
The reverse of 81444613 is 31644418
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4

Name

Name	eighty-one million four hundred forty-four thousand six hundred thirteen

Notation

Scientific notation	8.1444613 × 10^7
Engineering notation	8.1444613 × 10^6

Prime Factorization of 81444613

Prime Factorization 81444613

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	81444613	Product of the distinct prime numbers

The prime factorization of 81444613 is 81444613. Since it has a total of 1 prime factors.

Most popular turbo-numbers

7, 10, 76, 41, 432, 355, 8916, 2876, 83911, 6053, 603549, 555637, 4211080, 9007121, 49765786, 94740638, 265696117, 252003651, 8551762079, 1858330561

Basic calculations (n = 81444613)

Multiplication

n×y

n×2	162889226
n×3	244333839
n×4	325778452
n×5	407223065

Division

n÷y

n÷2	40722306.5
n÷3	27148204.333333
n÷3	20361153.25
n÷5	16288922.6

Exponentiation

n^y

n²	6633224986719769
n³	5.4024044198532E+23
n⁴	4.3999673724443E+31
n⁵	3.5835363986136E+39

Nth Root

^y√n

²√n	9024.6669190613
³√n	433.46508492147
⁴√n	94.998246926253
⁵√n	38.209598375239

Divisors of 81444613

1, 81444613

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	81444614	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	40722307	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	9024.666974465	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999999754434	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81444613 can be divided by 2 positive divisors. The sum of these divisors (counting 81444613) is 81444614, the average is 40722307.

Base conversion 81444613

Base	System	Value
2	Binary	100110110101011111100000101
3	Ternary	12200020211000011
4	Quaternary	10312223330011
5	Quinary	131322211423
6	Senary	12025350221
8	Octal	466537405
10	Decimal	81444613
12	Duodecimal	23338371
16	Hexadecimal	4dabf05
20	Vigesimal	1590bad
36	Base36	1chn2d

Cryptographic Hash Functions

md5	5283cdc60d2dfdcadb14d6c74b5251e2
sha1	1393250d69860642de25059bce8321287be454a5
sha256	6d8ada0ae05e36899a8d6227fb233094ac64fee7b322c89366d24d1ac4c06215
sha512	cfc92e71b4fd1cfbf89ce1fb084451e3602e41f90f47ac29a978ed0d8064cc9d764bcc76530b8a998ae9bc5bb025bd8e51a0f990d349e348b72f1ee09f5a3a46
ripemd-160	13889610f3e9e4c08cbcdf57fbc9c03e72debff8

81444613 as geometric shapes

Circle

Radius = n

Diameter	162889226
Circumference	511731595.75053
Area	2.0838890887887E+16

Sphere

Radius = n

Volume	2.2629538716176E+24
Surface area	8.3355563551548E+16
Circumference	511731595.75053

Square

Length = n

Perimeter	325778452
Area	6633224986719769
Diagonal	115180076.28683

Cube

Length = n

Surface area	39799349920318614
Volume	5.4024044198532E+23
Space diagonal	141066207.71878

Equilateral Triangle

Length = n

Perimeter	244333839
Area	2.8722706737585E+15
Altitude	70533103.859392

Triangular Pyramid

Length = n

Surface area	2.8722706737585E+15
Volume	6.3667946666506E+22
Height	38393358.762276