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

81685004 (number)

81685004 is an even 8-digits composite number following 81685003 and preceding 81685005. In scientific notation, it is written as 8.1685004 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 6 positive divisors. There are 40842500 positive integers (up to 81685004) that are relatively prime to 81685004.

Interesting facts

81685004 has 6 divisors, whose sum is 142948764
The reverse of 81685004 is 40058618
Previous prime number is 2

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5

Name

Name	eighty-one million six hundred eighty-five thousand four

Notation

Scientific notation	8.1685004 × 10^7
Engineering notation	8.1685004 × 10^6

Prime Factorization of 81685004

Prime Factorization 2 × 2 × 20421251

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	40842502	Product of the distinct prime numbers

The prime factorization of 81685004 is 2 × 2 × 20421251. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 10, 24, 20, 766, 299, 3137, 1273, 31409, 35355, 954472, 202507, 8723734, 6469623, 22728575, 3270610, 827358023, 74082964, 8620022511, 8160334918

Basic calculations (n = 81685004)

Multiplication

n×y

n×2	163370008
n×3	245055012
n×4	326740016
n×5	408425020

Division

n÷y

n÷2	40842502
n÷3	27228334.666667
n÷3	20421251
n÷5	16337000.8

Exponentiation

n^y

n²	6672439878480016
n³	5.450382781634E+23
n⁴	4.452145393193E+31
n⁵	3.6367351425156E+39

Nth Root

^y√n

²√n	9037.9756582987
³√n	433.89113623648
⁴√n	95.068268409069
⁵√n	38.232127595935

Divisors of 81685004

1, 2, 4, 20421251, 40842502, 81685004

6 divisors

τ	Total Divisors	6	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-81685003	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.16666666666667	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	6	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81685004 can be divided by 6 positive divisors. The sum of these divisors (counting 81685004) is 1, the average is 0.16666666666667.

Base conversion 81685004

Base	System	Value
2	Binary	100110111100110101000001100
3	Ternary	12200201000202112
4	Quaternary	10313212220030
5	Quinary	131402410004
6	Senary	12034443152
8	Octal	467465014
10	Decimal	81685004
12	Duodecimal	234334b8
16	Hexadecimal	4de6a0c
20	Vigesimal	15aaca4
36	Base36	1cmsjw

Cryptographic Hash Functions

md5	aa9a67362a44e0648ecc53c32029fb99
sha1	00811501d480da10a97250b23562da2f517936eb
sha256	61b1a051e7682933af2a3048dc00457ab0af0158450a4c30dd1c0b9d703fbc8b
sha512	6fb3d6f8af4428b506d0bd7ff916923e89533cf38acd841275ba55c5accb1d4a9192e342cd255bd2f0f57f9719adf80b8621eb7c0619fd06956bfd29a1c647f1
ripemd-160	3a2ed4bc1596e9cba24a21a08a33610f3960ccf1

81685004 as geometric shapes

Circle

Radius = n

Diameter	163370008
Circumference	513242016.94971
Area	2.0962088103752E+16

Sphere

Radius = n

Volume	2.2830510008045E+24
Surface area	8.384835241501E+16
Circumference	513242016.94971

Square

Length = n

Perimeter	326740016
Area	6672439878480016
Diagonal	115520040.4993

Cube

Length = n

Surface area	40034639270880096
Volume	5.450382781634E+23
Space diagonal	141482577.14447

Equilateral Triangle

Length = n

Perimeter	245055012
Area	2.889251219994E+15
Altitude	70741288.572233

Triangular Pyramid

Length = n

Surface area	2.889251219994E+15
Volume	6.4233377082597E+22
Height	38506680.166434