87121331 (number)

87121331 is an odd 8-digits composite number following 87121330 and preceding 87121332. In scientific notation, it is written as 8.7121331 × 10^7. The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors. There are 78078000 positive integers (up to 87121331) that are relatively prime to 87121331.

Interesting facts

Basic properties

Name

Name eighty-seven million one hundred twenty-one thousand three hundred thirty-one

Notation

Scientific notation 8.7121331 × 10^7
Engineering notation 8.7121331 × 10^6

Prime Factorization of 87121331

Prime Factorization 8591 × 10141

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 87121331
Product of the distinct prime numbers

The prime factorization of 87121331 is 8591 × 10141. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 87121331)

Multiplication

n×y
n×2 174242662
n×3 261363993
n×4 348485324
n×5 435606655

Division

n÷y
n÷2 43560665.5
n÷3 29040443.666667
n÷3 21780332.75
n÷5 17424266.2

Exponentiation

ny
n2 7590126315211561
n3 6.6126190703936E+23
n4 5.7610017480867E+31
n5 5.0190614018664E+39

Nth Root

y√n
2√n 9333.8808113239
3√n 443.31065247878
4√n 96.612011734172
5√n 38.727984904317

Divisors of 87121331

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -87121330
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 87121331 can be divided by 4 positive divisors. The sum of these divisors (counting 87121331) is 1, the average is 0.25.

Base conversion 87121331

Base System Value
2 Binary 101001100010101110110110011
3 Ternary 20001221012222222
4 Quaternary 11030111312303
5 Quinary 134300340311
6 Senary 12351151255
8 Octal 514256663
10 Decimal 87121331
12 Duodecimal 2521552b
16 Hexadecimal 5315db3
20 Vigesimal 174a36b
36 Base36 1fvb8z

Cryptographic Hash Functions

md5 a96dd9a6150e229d77c58729ae805e3c
sha1 7cda2209f6cdbc233ba69ad93c1ff6a3bf2a9a82
sha256 36f2105989420467d05d483956fd48f6dde125320784e812647ee7f93d1fced8
sha512 93c9381fc6f0a0b4836f2a56e6bbacd6de7af5d342cd13017fc83415437c00ad74ca2763b0aee552c108c6a30cc8673908e8cbca4b6b74a1a9005f8996f915b3
ripemd-160 4d1aa9326d9bd5866b9e864ee7b0f5f2bb42f311

87121331 as geometric shapes

Circle

Radius = n
Diameter 174242662
Circumference 547399466.88113
Area 2.3845085071687E+16

Sphere

Radius = n
Volume 2.7698873990048E+24
Surface area 9.5380340286749E+16
Circumference 547399466.88113

Square

Length = n
Perimeter 348485324
Area 7590126315211561
Diagonal 123208167.8722

Cube

Length = n
Surface area 45540757891269366
Volume 6.6126190703936E+23
Space diagonal 150898571.71503

Equilateral Triangle

Length = n
Perimeter 261363993
Area 3.286621103453E+15
Altitude 75449285.857513

Triangular Pyramid

Length = n
Surface area 3.286621103453E+15
Volume 7.7930463101313E+22
Height 41069389.290732