87942731 (number)

87942731 is an odd 8-digits composite number following 87942730 and preceding 87942732. In scientific notation, it is written as 8.7942731 × 10^7. The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors. There are 84119112 positive integers (up to 87942731) that are relatively prime to 87942731.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.7942731 × 10^7
Engineering notation 8.7942731 × 10^6

Prime Factorization of 87942731

Prime Factorization 23 × 3823597

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 87942731
Product of the distinct prime numbers

The prime factorization of 87942731 is 23 × 3823597. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 87942731)

Multiplication

n×y
n×2 175885462
n×3 263828193
n×4 351770924
n×5 439713655

Division

n÷y
n÷2 43971365.5
n÷3 29314243.666667
n÷3 21985682.75
n÷5 17588546.2

Exponentiation

ny
n2 7733923935738361
n3 6.801423922551E+23
n4 5.9813579443787E+31
n5 5.2601695271721E+39

Nth Root

y√n
2√n 9377.7785749078
3√n 444.69950845109
4√n 96.838931091312
5√n 38.800738319448

Divisors of 87942731

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 -87942730
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 87942731 can be divided by 4 positive divisors. The sum of these divisors (counting 87942731) is 1, the average is 0.25.

Base conversion 87942731

Base System Value
2 Binary 101001111011110011001001011
3 Ternary 20010110221202012
4 Quaternary 11033132121023
5 Quinary 140003131411
6 Senary 12420530135
8 Octal 517363113
10 Decimal 87942731
12 Duodecimal 2555094b
16 Hexadecimal 53de64b
20 Vigesimal 179cggb
36 Base36 1gcx1n

Cryptographic Hash Functions

md5 4b70af8e859d50c93c69727563d5610b
sha1 137780503dd706b5b74637ef25a89455ae9fe631
sha256 cdcd4f3216a1ae78af62b7256022c28ed3351d8a0e203bd9e1d90138437b7d1b
sha512 bffec10b800b92ba60e58c6ed45b00429a044bd0aeff2648993a225c9e464804c9128a996fa1f2a737222da87f584d250fe9c5199129751e0d89b5db9a4ddc54
ripemd-160 a85d3632b580f4a20f924ac80245bff3f0a8edec

87942731 as geometric shapes

Circle

Radius = n
Diameter 175885462
Circumference 552560475.29245
Area 2.4296838619938E+16

Sphere

Radius = n
Volume 2.8489737905381E+24
Surface area 9.7187354479752E+16
Circumference 552560475.29245

Square

Length = n
Perimeter 351770924
Area 7733923935738361
Diagonal 124369802.89233

Cube

Length = n
Surface area 46403543614430166
Volume 6.801423922551E+23
Space diagonal 152321278.24836

Equilateral Triangle

Length = n
Perimeter 263828193
Area 3.348887299643E+15
Altitude 76160639.124181

Triangular Pyramid

Length = n
Surface area 3.348887299643E+15
Volume 8.015554962267E+22
Height 41456600.96411