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

81682013 (number)

81682013 is an odd 8-digits composite number following 81682012 and preceding 81682014. In scientific notation, it is written as 8.1682013 × 10^7. The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors. There are 70013148 positive integers (up to 81682013) that are relatively prime to 81682013.

Interesting facts

81682013 has 4 divisors, whose sum is 93350880
The reverse of 81682013 is 31028618
Previous prime number is 7

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2

Name

Name	eighty-one million six hundred eighty-two thousand thirteen

Notation

Scientific notation	8.1682013 × 10^7
Engineering notation	8.1682013 × 10^6

Prime Factorization of 81682013

Prime Factorization 7 × 11668859

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	81682013	Product of the distinct prime numbers

The prime factorization of 81682013 is 7 × 11668859. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 3, 41, 81, 206, 178, 3345, 4403, 82784, 99146, 341158, 583883, 2998542, 3890075, 83520226, 39154185, 411877660, 872568436, 4362705608, 1671061507

Basic calculations (n = 81682013)

Multiplication

n×y

n×2	163364026
n×3	245046039
n×4	326728052
n×5	408410065

Division

n÷y

n÷2	40841006.5
n÷3	27227337.666667
n÷3	20420503.25
n÷5	16336402.6

Exponentiation

n^y

n²	6671951247732169
n³	5.4497840855263E+23
n⁴	4.4514933452115E+31
n⁵	3.6360693729298E+39

Nth Root

^y√n

²√n	9037.8101883144
³√n	433.88584034712
⁴√n	95.06739813582
⁵√n	38.231847608268

Divisors of 81682013

1, 7, 11668859, 81682013

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	-81682012	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 81682013 can be divided by 4 positive divisors. The sum of these divisors (counting 81682013) is 1, the average is 0.25.

Base conversion 81682013

Base	System	Value
2	Binary	100110111100101111001011101
3	Ternary	12200200212122202
4	Quaternary	10313211321131
5	Quinary	131402311023
6	Senary	12034421245
8	Octal	467457135
10	Decimal	81682013
12	Duodecimal	23431825
16	Hexadecimal	4de5e5d
20	Vigesimal	15aa50d
36	Base36	1cmq8t

Cryptographic Hash Functions

md5	acde208cf6db9b0af37d5bb0ee104a20
sha1	a877e5ff580cc4486148dbd7460f34a7d1c85923
sha256	fe128d720f14062caff16537ecf2f26709f6a1ca31c412476e307f82a1419ca0
sha512	483472fc716e868fb71b66e3eac3f60b0ff69dd4d1303711e93561a01688522ad58292630bd90567caf183c7c35dc862a019275ba94ad9334c4b73ca08273917
ripemd-160	c55631d352e9ebb226a011deca28280cb3bd609c

81682013 as geometric shapes

Circle

Radius = n

Diameter	163364026
Circumference	513223223.94245
Area	2.0960553024985E+16

Sphere

Radius = n

Volume	2.2828002195653E+24
Surface area	8.3842212099939E+16
Circumference	513223223.94245

Square

Length = n

Perimeter	326728052
Area	6671951247732169
Diagonal	115515810.58654

Cube

Length = n

Surface area	40031707486393014
Volume	5.4497840855263E+23
Space diagonal	141477396.5805

Equilateral Triangle

Length = n

Perimeter	245046039
Area	2.8890396366737E+15
Altitude	70738698.290251

Triangular Pyramid

Length = n

Surface area	2.8890396366737E+15
Volume	6.4226321381302E+22
Height	38505270.195512