87085989 (number)

87085989 is an odd 8-digits composite number following 87085988 and preceding 87085990. In scientific notation, it is written as 8.7085989 × 10^7. The sum of its digits is 54. It has a total of 4 prime factors and 8 positive divisors. There are 58057308 positive integers (up to 87085989) that are relatively prime to 87085989.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.7085989 × 10^7
Engineering notation 8.7085989 × 10^6

Prime Factorization of 87085989

Prime Factorization 3 × 3 × 3 × 3225407

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 9676221
Product of the distinct prime numbers

The prime factorization of 87085989 is 3 × 3 × 3 × 3225407. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 87085989)

Multiplication

n×y
n×2 174171978
n×3 261257967
n×4 348343956
n×5 435429945

Division

n÷y
n÷2 43542994.5
n÷3 29028663
n÷3 21771497.25
n÷5 17417197.8

Exponentiation

ny
n2 7583969480108121
n3 6.6045748272103E+23
n4 5.7516593075211E+31
n5 5.0088893918653E+39

Nth Root

y√n
2√n 9331.9874089071
3√n 443.25069929259
4√n 96.602212236093
5√n 38.724842283382

Divisors of 87085989

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 -87085988
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 87085989 can be divided by 8 positive divisors. The sum of these divisors (counting 87085989) is 1, the average is 0.125.

Base conversion 87085989

Base System Value
2 Binary 101001100001101001110100101
3 Ternary 20001212102112000
4 Quaternary 11030031032211
5 Quinary 134243222424
6 Senary 12350315513
8 Octal 514151645
10 Decimal 87085989
12 Duodecimal 251b8b99
16 Hexadecimal 530d3a5
20 Vigesimal 1745ej9
36 Base36 1fujz9

Cryptographic Hash Functions

md5 23a384639f510ddb8179965d2f82c6b5
sha1 6a7e88dfd0101d8ff149736e54ab937d922af5b5
sha256 7d27628cdd384cf0ffce557c5772e337f9c22eaa20a366d8b245bd0b68bb0b98
sha512 f0cf7b39d42390268c4d8b50827fb57c9aaae8a125525b58774768432e719ad632c28cec5e5a171968b46ca65707101371d9e78a39b7c13450eda198f77236d4
ripemd-160 fa33b000d959cf4524450d61bf83fb8ee8482612

87085989 as geometric shapes

Circle

Radius = n
Diameter 174171978
Circumference 547177406.546
Area 2.3825742803757E+16

Sphere

Radius = n
Volume 2.7665178342997E+24
Surface area 9.5302971215028E+16
Circumference 547177406.546

Square

Length = n
Perimeter 348343956
Area 7583969480108121
Diagonal 123158186.73647

Cube

Length = n
Surface area 45503816880648726
Volume 6.6045748272103E+23
Space diagonal 150837357.57538

Equilateral Triangle

Length = n
Perimeter 261257967
Area 3.2839551156497E+15
Altitude 75418678.787692

Triangular Pyramid

Length = n
Surface area 3.2839551156497E+15
Volume 7.783566078624E+22
Height 41052728.912158