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

87081391 (number)

87081391 is an odd 8-digits prime number following 87081390 and preceding 87081392. In scientific notation, it is written as 8.7081391 × 10^7. The sum of its digits is 37. It has a total of 1 prime factors and 2 positive divisors. There are 87081390 positive integers (up to 87081391) that are relatively prime to 87081391.

Interesting facts

87081391 has 2 divisors, whose sum is 87081392
The reverse of 87081391 is 19318078
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1

Name

Name	eighty-seven million eighty-one thousand three hundred ninety-one

Notation

Scientific notation	8.7081391 × 10^7
Engineering notation	8.7081391 × 10^6

Prime Factorization of 87081391

Prime Factorization 87081391

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	87081391	Product of the distinct prime numbers

The prime factorization of 87081391 is 87081391. Since it has a total of 1 prime factors.

Most popular turbo-numbers

8, 10, 97, 3, 750, 505, 5888, 1869, 73815, 57653, 161458, 751314, 4983044, 4765847, 7298795, 41754816, 13377487, 242955427, 1817605435, 8146776256

Basic calculations (n = 87081391)

Multiplication

n×y

n×2	174162782
n×3	261244173
n×4	348325564
n×5	435406955

Division

n÷y

n÷2	43540695.5
n÷3	29027130.333333
n÷3	21770347.75
n÷5	17416278.2

Exponentiation

n^y

n²	7583168658494881
n³	6.6035287496934E+23
n⁴	5.7504446903179E+31
n⁵	5.0075672250145E+39

Nth Root

^y√n

²√n	9331.7410487004
³√n	443.24289818088
⁴√n	96.600937100529
⁵√n	38.724433352881

Divisors of 87081391

1, 87081391

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	87081392	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	43540696	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	9331.741102281	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.999999977033	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 87081391 can be divided by 2 positive divisors. The sum of these divisors (counting 87081391) is 87081392, the average is 43540696.

Base conversion 87081391

Base	System	Value
2	Binary	101001100001100000110101111
3	Ternary	20001212012012201
4	Quaternary	11030030012233
5	Quinary	134243101031
6	Senary	12350242331
8	Octal	514140657
10	Decimal	87081391
12	Duodecimal	251b63a7
16	Hexadecimal	530c1af
20	Vigesimal	174539b
36	Base36	1fugfj

Cryptographic Hash Functions

md5	d11eab69b24dfdc0fe635d1becbceb28
sha1	ff3c385d4ee26110b5f586e6fda3f61dbfb028d2
sha256	64ef09de193fdba349713a09bceb93a87e7a0aed9a313b5dba3b2ddc390c633c
sha512	98b938925f576a9b71ba83b44a54b7628b32fe0d778db4f0ed547e7396d7183736f8c59f9e08cf2608bd704072325be209e4b6632e2c77bcd332702faad7a0e2
ripemd-160	2c6fc9b228cd4d0a4342bc02611252e26e650e58

87081391 as geometric shapes

Circle

Radius = n

Diameter	174162782
Circumference	547148516.45996
Area	2.382322694846E+16

Sphere

Radius = n

Volume	2.7660796543741E+24
Surface area	9.529290779384E+16
Circumference	547148516.45996

Square

Length = n

Perimeter	348325564
Area	7583168658494881
Diagonal	123151684.18251

Cube

Length = n

Surface area	45499011950969286
Volume	6.6035287496934E+23
Space diagonal	150829393.60577

Equilateral Triangle

Length = n

Perimeter	261244173
Area	3.2836083497193E+15
Altitude	75414696.802886

Triangular Pyramid

Length = n

Surface area	3.2836083497193E+15
Volume	7.7823332644475E+22
Height	41050561.394171