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

87130987 (number)

87130987 is an odd 8-digits composite number following 87130986 and preceding 87130988. In scientific notation, it is written as 8.7130987 × 10^7. The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors. There are 83067600 positive integers (up to 87130987) that are relatively prime to 87130987.

Interesting facts

87130987 has 8 divisors, whose sum is 90052992
The reverse of 87130987 is 78903178
Previous prime number is 31

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7

Name

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

Notation

Scientific notation	8.7130987 × 10^7
Engineering notation	8.7130987 × 10^6

Prime Factorization of 87130987

Prime Factorization 2201 × 31 × 1277

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	87130987	Product of the distinct prime numbers

The prime factorization of 87130987 is 2201 × 31 × 1277. Since it has a total of 3 prime factors.

Most popular turbo-numbers

2, 10, 52, 62, 677, 827, 6070, 261, 26055, 74902, 233929, 7843, 4484913, 5272216, 40789805, 57402677, 573926083, 578534532, 3473504312, 507943004

Basic calculations (n = 87130987)

Multiplication

n×y

n×2	174261974
n×3	261392961
n×4	348523948
n×5	435654935

Division

n÷y

n÷2	43565493.5
n÷3	29043662.333333
n÷3	21782746.75
n÷5	17426197.4

Exponentiation

n^y

n²	7591808895594169
n³	6.614818021885E+23
n⁴	5.7635562307223E+31
n⁵	5.0218434301283E+39

Nth Root

^y√n

²√n	9334.3980523652
³√n	443.32702982853
⁴√n	96.614688595292
⁵√n	38.728843341258

Divisors of 87130987

1, 31, 1277, 2201, 39587, 68231, 2810677, 87130987

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	-87130986	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 87130987 can be divided by 8 positive divisors. The sum of these divisors (counting 87130987) is 1, the average is 0.125.

Base conversion 87130987

Base	System	Value
2	Binary	101001100011000001101101011
3	Ternary	20001221201020121
4	Quaternary	11030120031223
5	Quinary	134301142422
6	Senary	12351304111
8	Octal	514301553
10	Decimal	87130987
12	Duodecimal	2521b037
16	Hexadecimal	531836b
20	Vigesimal	174b797
36	Base36	1fvip7

Cryptographic Hash Functions

md5	ca40821dadcfdc2460a748b9d6b3c234
sha1	1c713fd0484c29e7d0b9759a2b57e4836156d943
sha256	a8ec27817cec9657b1393902556e566ad14cc715be641e1a4f5d78186bcbdc7a
sha512	c75d9bc2b744f85954869ffaef685e6f4e82f05dfe80ac00c238383d61a69bbb7df7db6b5e9249521a751d9c8d1d2148e5d5b250289e3b0727a93ba311ace5b3
ripemd-160	bc701105abdf79efc89a7ded1a8449c7ca6c84b0

87130987 as geometric shapes

Circle

Radius = n

Diameter	174261974
Circumference	547460137.31846
Area	2.3850371053856E+16

Sphere

Radius = n

Volume	2.7708084936516E+24
Surface area	9.5401484215425E+16
Circumference	547460137.31846

Square

Length = n

Perimeter	348523948
Area	7591808895594169
Diagonal	123221823.51835

Cube

Length = n

Surface area	45550853373565014
Volume	6.614818021885E+23
Space diagonal	150915296.39762

Equilateral Triangle

Length = n

Perimeter	261392961
Area	3.2873496821306E+15
Altitude	75457648.198812

Triangular Pyramid

Length = n

Surface area	3.2873496821306E+15
Volume	7.7956377993164E+22
Height	41073941.172785