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

87081389 (number)

87081389 is an odd 8-digits composite number following 87081388 and preceding 87081390. In scientific notation, it is written as 8.7081389 × 10^7. The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors. There are 82420416 positive integers (up to 87081389) that are relatively prime to 87081389.

Interesting facts

87081389 has 8 divisors, whose sum is 91751040
The reverse of 87081389 is 98318078
Previous prime number is 1873

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8

Name

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

Notation

Scientific notation	8.7081389 × 10^7
Engineering notation	8.7081389 × 10^6

Prime Factorization of 87081389

Prime Factorization 19 × 1873 × 2447

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	87081389	Product of the distinct prime numbers

The prime factorization of 87081389 is 19 × 1873 × 2447. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 3, 29, 85, 527, 430, 3118, 148, 94442, 37490, 223711, 831682, 4305556, 5752073, 89649291, 49695667, 273709324, 704708130, 5661802017, 3351873508

Basic calculations (n = 87081389)

Multiplication

n×y

n×2	174162778
n×3	261244167
n×4	348325556
n×5	435406945

Division

n÷y

n÷2	43540694.5
n÷3	29027129.666667
n÷3	21770347.25
n÷5	17416277.8

Exponentiation

n^y

n²	7583168310169321
n³	6.6035282947033E+23
n⁴	5.7504441620356E+31
n⁵	5.00756664997E+39

Nth Root

^y√n

²√n	9331.7409415393
³√n	443.24289478756
⁴√n	96.60093654587
⁵√n	38.724433175004

Divisors of 87081389

1, 19, 1873, 2447, 35587, 46493, 4583231, 87081389

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	-87081388	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 87081389 can be divided by 8 positive divisors. The sum of these divisors (counting 87081389) is 1, the average is 0.125.

Base conversion 87081389

Base	System	Value
2	Binary	101001100001100000110101101
3	Ternary	20001212012012122
4	Quaternary	11030030012231
5	Quinary	134243101024
6	Senary	12350242325
8	Octal	514140655
10	Decimal	87081389
12	Duodecimal	251b63a5
16	Hexadecimal	530c1ad
20	Vigesimal	1745399
36	Base36	1fugfh

Cryptographic Hash Functions

md5	6cb4df4bb1fa9efd1e610d3273456344
sha1	0b2eadf5e40f1ffcb8d00a2f1af0900875425b86
sha256	447ab61ec2b91da50cf488ab1e2ec2e758e2125162b5703c441d754b5230a2f0
sha512	f8baeb62bf3c75c867a1ad80564a3f54b769d1339b35e7facd30afa7c281c97028e6169e58245191f793b6c9e7993da41d110128f7679edb667c24e9fbf3b475
ripemd-160	6f154a2c270653cdef90e09685ef769b0f3d3c14

87081389 as geometric shapes

Circle

Radius = n

Diameter	174162778
Circumference	547148503.89359
Area	2.3823225854163E+16

Sphere

Radius = n

Volume	2.7660794637883E+24
Surface area	9.5292903416651E+16
Circumference	547148503.89359

Square

Length = n

Perimeter	348325556
Area	7583168310169321
Diagonal	123151681.35409

Cube

Length = n

Surface area	45499009861015926
Volume	6.6035282947033E+23
Space diagonal	150829390.14167

Equilateral Triangle

Length = n

Perimeter	261244167
Area	3.2836081988899E+15
Altitude	75414695.070835

Triangular Pyramid

Length = n

Surface area	3.2836081988899E+15
Volume	7.7823327282365E+22
Height	41050560.451362