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

87081639 (number)

87081639 is an odd 8-digits composite number following 87081638 and preceding 87081640. In scientific notation, it is written as 8.7081639 × 10^7. The sum of its digits is 42. It has a total of 2 prime factors and 4 positive divisors. There are 58054424 positive integers (up to 87081639) that are relatively prime to 87081639.

Interesting facts

87081639 has 4 divisors, whose sum is 116108856
The reverse of 87081639 is 93618078
Previous prime number is 3

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6

Name

Name	eighty-seven million eighty-one thousand six hundred thirty-nine

Notation

Scientific notation	8.7081639 × 10^7
Engineering notation	8.7081639 × 10^6

Prime Factorization of 87081639

Prime Factorization 3 × 29027213

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	87081639	Product of the distinct prime numbers

The prime factorization of 87081639 is 3 × 29027213. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 7, 39, 29, 129, 476, 9691, 8311, 32235, 92098, 838937, 128777, 1057092, 4439619, 79916848, 85167706, 767632609, 477731328, 3639241045, 9026560789

Basic calculations (n = 87081639)

Multiplication

n×y

n×2	174163278
n×3	261244917
n×4	348326556
n×5	435408195

Division

n÷y

n÷2	43540819.5
n÷3	29027213
n÷3	21770409.75
n÷5	17416327.8

Exponentiation

n^y

n²	7583211850926321
n³	6.6035851686289E+23
n⁴	5.7505101976029E+31
n⁵	5.0076385309348E+39

Nth Root

^y√n

²√n	9331.7543366722
³√n	443.2433189525
⁴√n	96.601005878159
⁵√n	38.7244554096

Divisors of 87081639

1, 3, 29027213, 87081639

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	-87081638	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 87081639 can be divided by 4 positive divisors. The sum of these divisors (counting 87081639) is 1, the average is 0.25.

Base conversion 87081639

Base	System	Value
2	Binary	101001100001100001010100111
3	Ternary	20001212012112220
4	Quaternary	11030030022213
5	Quinary	134243103024
6	Senary	12350243423
8	Octal	514141247
10	Decimal	87081639
12	Duodecimal	251b6573
16	Hexadecimal	530c2a7
20	Vigesimal	174541j
36	Base36	1fugmf

Cryptographic Hash Functions

md5	d1881689f0bd4ff9a164a7c2b9869278
sha1	9a593e0d7fb86bcc0e8d070b5b14ed9491d75d6e
sha256	b98738994800623b53f7b60dd6b8b4592ca8d856bde010f2465f6575d00959cb
sha512	1103f4664d51f07d824e7e7a9cc505054f0c4dbadbb9e171c201e930eb5d48590010465ba73ad1502dec6f84dfa361faa295eb1becc67d856d5f1f027168d3a6
ripemd-160	05313741bfc70303420c0811cecf3f7ad4bff795

87081639 as geometric shapes

Circle

Radius = n

Diameter	174163278
Circumference	547150074.68992
Area	2.3823362641485E+16

Sphere

Radius = n

Volume	2.7661032870825E+24
Surface area	9.5293450565941E+16
Circumference	547150074.68992

Square

Length = n

Perimeter	348326556
Area	7583211850926321
Diagonal	123152034.90748

Cube

Length = n

Surface area	45499271105557926
Volume	6.6035851686289E+23
Space diagonal	150829823.15437

Equilateral Triangle

Length = n

Perimeter	261244917
Area	3.2836270525907E+15
Altitude	75414911.577186

Triangular Pyramid

Length = n

Surface area	3.2836270525907E+15
Volume	7.7823997548007E+22
Height	41050678.302493