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

87081681 (number)

87081681 is an odd 8-digits composite number following 87081680 and preceding 87081682. In scientific notation, it is written as 8.7081681 × 10^7. The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors. There are 58054452 positive integers (up to 87081681) that are relatively prime to 87081681.

Interesting facts

87081681 has 4 divisors, whose sum is 116108912
The reverse of 87081681 is 18618078
Previous prime number is 3

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3

Name

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

Notation

Scientific notation	8.7081681 × 10^7
Engineering notation	8.7081681 × 10^6

Prime Factorization of 87081681

Prime Factorization 3 × 29027227

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	87081681	Product of the distinct prime numbers

The prime factorization of 87081681 is 3 × 29027227. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 5, 12, 56, 278, 296, 9177, 4034, 4285, 76522, 27088, 70464, 4999052, 4209404, 72950679, 89835406, 103264502, 717126422, 5653510647, 4639735430

Basic calculations (n = 87081681)

Multiplication

n×y

n×2	174163362
n×3	261245043
n×4	348326724
n×5	435408405

Division

n÷y

n÷2	43540840.5
n÷3	29027227
n÷3	21770420.25
n÷5	17416336.2

Exponentiation

n^y

n²	7583219165785761
n³	6.6035947234804E+23
n⁴	5.750521291634E+31
n⁵	5.0076506070178E+39

Nth Root

^y√n

²√n	9331.7565870526
³√n	443.24339021213
⁴√n	96.601017525969
⁵√n	38.724459145007

Divisors of 87081681

1, 3, 29027227, 87081681

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	-87081680	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 87081681 can be divided by 4 positive divisors. The sum of these divisors (counting 87081681) is 1, the average is 0.25.

Base conversion 87081681

Base	System	Value
2	Binary	101001100001100001011010001
3	Ternary	20001212012121110
4	Quaternary	11030030023101
5	Quinary	134243103211
6	Senary	12350243533
8	Octal	514141321
10	Decimal	87081681
12	Duodecimal	251b65a9
16	Hexadecimal	530c2d1
20	Vigesimal	1745441
36	Base36	1fugnl

Cryptographic Hash Functions

md5	b44b20dce2e5daf9597d0d5ae711b44d
sha1	9fc802f4c04fa80ca78b51711f90f80fd96f572f
sha256	d66cf8d6d3f31896c78165688c25e2773c6ea48a5fb45f50ec38fa1615e43c20
sha512	8f95ec8387054afb1091e379a0636fe83e75426e84c35b4789532a5053cee23bf77819f2eb333d6c2e9e2a3e61440c431bb81b13e4ee88342ddf2e945f44ef93
ripemd-160	7fa709b99a0ca76f5516b9cb9909450d5848e87f

87081681 as geometric shapes

Circle

Radius = n

Diameter	174163362
Circumference	547150338.5837
Area	2.3823385621794E+16

Sphere

Radius = n

Volume	2.7661072894094E+24
Surface area	9.5293542487175E+16
Circumference	547150338.5837

Square

Length = n

Perimeter	348326724
Area	7583219165785761
Diagonal	123152094.30445

Cube

Length = n

Surface area	45499314994714566
Volume	6.6035947234804E+23
Space diagonal	150829895.90051

Equilateral Triangle

Length = n

Perimeter	261245043
Area	3.2836302200178E+15
Altitude	75414947.950253

Triangular Pyramid

Length = n

Surface area	3.2836302200178E+15
Volume	7.7824110153012E+22
Height	41050698.101482