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

87087981 (number)

87087981 is an odd 8-digits composite number following 87087980 and preceding 87087982. In scientific notation, it is written as 8.7087981 × 10^7. The sum of its digits is 48. It has a total of 3 prime factors and 8 positive divisors. There are 58037040 positive integers (up to 87087981) that are relatively prime to 87087981.

Interesting facts

87087981 has 8 divisors, whose sum is 116160544
The reverse of 87087981 is 18978078
Previous prime number is 4987

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 48
Digital Root 3

Name

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

Notation

Scientific notation	8.7087981 × 10^7
Engineering notation	8.7087981 × 10^6

Prime Factorization of 87087981

Prime Factorization 3 × 4987 × 5821

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	87087981	Product of the distinct prime numbers

The prime factorization of 87087981 is 3 × 4987 × 5821. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 3, 28, 82, 477, 247, 2066, 7653, 86172, 34806, 299566, 670359, 8531137, 4095831, 74451381, 30359058, 519085284, 936518142, 2532789417, 793531928

Basic calculations (n = 87087981)

Multiplication

n×y

n×2	174175962
n×3	261263943
n×4	348351924
n×5	435439905

Division

n÷y

n÷2	43543990.5
n÷3	29029327
n÷3	21771995.25
n÷5	17417596.2

Exponentiation

n^y

n²	7584316434656361
n³	6.6050280555934E+23
n⁴	5.7521855780999E+31
n⁵	5.0094622833403E+39

Nth Root

^y√n

²√n	9332.0941379735
³√n	443.25407889732
⁴√n	96.602764649742
⁵√n	38.725019439733

Divisors of 87087981

1, 3, 4987, 5821, 14961, 17463, 29029327, 87087981

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	-87087980	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 87087981 can be divided by 8 positive divisors. The sum of these divisors (counting 87087981) is 1, the average is 0.125.

Base conversion 87087981

Base	System	Value
2	Binary	101001100001101101101101101
3	Ternary	20001212112020210
4	Quaternary	11030031231231
5	Quinary	134243303411
6	Senary	12350333033
8	Octal	514155555
10	Decimal	87087981
12	Duodecimal	251ba179
16	Hexadecimal	530db6d
20	Vigesimal	1745jj1
36	Base36	1fulil

Cryptographic Hash Functions

md5	24adee24f8a999dfa9e1c4120fe41f4a
sha1	5afbfedd50e5353292071540686e7c51ffee7940
sha256	b3bd81fdd6d6c7c84823e192085abb763211bbc8710c53df12c6b49b3e600a30
sha512	77082c94ed691352d53ef1785f82dd8a2c8b29a5f8b0b52f184f42d391fd5972cc9f2973e620bcc45e6ae111605e93dafc41629213b6dfa9c0d20ed143cf7b73
ripemd-160	2bc409ebc1dda10e4f9f88336286c09507ebcfe2

87087981 as geometric shapes

Circle

Radius = n

Diameter	174175962
Circumference	547189922.65113
Area	2.3826832793617E+16

Sphere

Radius = n

Volume	2.7667076821609E+24
Surface area	9.5307331174467E+16
Circumference	547189922.65113

Square

Length = n

Perimeter	348351924
Area	7584316434656361
Diagonal	123161003.84989

Cube

Length = n

Surface area	45505898607938166
Volume	6.6050280555934E+23
Space diagonal	150840807.82059

Equilateral Triangle

Length = n

Perimeter	261263943
Area	3.2841053513761E+15
Altitude	75420403.910297

Triangular Pyramid

Length = n

Surface area	3.2841053513761E+15
Volume	7.7841002133958E+22
Height	41053667.949963