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

81004031 (number)

81004031 is an odd 8-digits composite number following 81004030 and preceding 81004032. In scientific notation, it is written as 8.1004031 × 10^7. The sum of its digits is 17. It has a total of 3 prime factors and 8 positive divisors. There are 75916288 positive integers (up to 81004031) that are relatively prime to 81004031.

Interesting facts

81004031 has 8 divisors, whose sum is 86132160
The reverse of 81004031 is 13040018
Previous prime number is 239

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 17
Digital Root 8

Name

Name	eighty-one million four thousand thirty-one

Notation

Scientific notation	8.1004031 × 10^7
Engineering notation	8.1004031 × 10^6

Prime Factorization of 81004031

Prime Factorization 17 × 239 × 19937

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	81004031	Product of the distinct prime numbers

The prime factorization of 81004031 is 17 × 239 × 19937. Since it has a total of 3 prime factors.

Most popular turbo-numbers

1, 9, 15, 14, 931, 605, 4082, 152, 80783, 60857, 237005, 680171, 8860352, 2460324, 62893029, 59947674, 427083964, 161226460, 1632751911, 4797991769

Basic calculations (n = 81004031)

Multiplication

n×y

n×2	162008062
n×3	243012093
n×4	324016124
n×5	405020155

Division

n÷y

n÷2	40502015.5
n÷3	27001343.666667
n÷3	20251007.75
n÷5	16200806.2

Exponentiation

n^y

n²	6561653038248961
n³	5.3152034612156E+23
n⁴	4.3055290594362E+31
n⁵	3.4876520940197E+39

Nth Root

^y√n

²√n	9000.2239416583
³√n	432.68204839047
⁴√n	94.869510073882
⁵√n	38.168168975923

Divisors of 81004031

1, 17, 239, 4063, 19937, 338929, 4764943, 81004031

8 divisors

τ	Total Divisors	8	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-81004030	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.125	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	8	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81004031 can be divided by 8 positive divisors. The sum of these divisors (counting 81004031) is 1, the average is 0.125.

Base conversion 81004031

Base	System	Value
2	Binary	100110101000000010111111111
3	Ternary	12122102102122022
4	Quaternary	10311000113333
5	Quinary	131214112111
6	Senary	12012110355
8	Octal	465002777
10	Decimal	81004031
12	Duodecimal	231653bb
16	Hexadecimal	4d405ff
20	Vigesimal	1565a1b
36	Base36	1c873z

Cryptographic Hash Functions

md5	dd68a5e50f80b6347eea6a434f6a1267
sha1	8e294605f8d70e2890a94459c67c64b4c343f8fa
sha256	d355888ab51d22202ebc73a43af766d042d1563d851ad95a803b527d321681c6
sha512	af9d895a00c7d73ce0abcb6ff9c053a9b9f0fde3bf0367daa4f05a38e88a8f942acf78d44e5df127edea0819cb74511c5f0c76b148269013a11421c4ab482e44
ripemd-160	76a42b3f258fa2bb95ba3d6e537e23f897215f11

81004031 as geometric shapes

Circle

Radius = n

Diameter	162008062
Circumference	508963337.40152
Area	2.0614040980368E+16

Sphere

Radius = n

Volume	2.2264272194787E+24
Surface area	8.2456163921472E+16
Circumference	508963337.40152

Square

Length = n

Perimeter	324016124
Area	6561653038248961
Diagonal	114556999.24709

Cube

Length = n

Surface area	39369918229493766
Volume	5.3152034612156E+23
Space diagonal	140303097.30988

Equilateral Triangle

Length = n

Perimeter	243012093
Area	2.8412791109715E+15
Altitude	70151548.654942

Triangular Pyramid

Length = n

Surface area	2.8412791109715E+15
Volume	6.264027351353E+22
Height	38185666.415697