42687987 (number)

42687987 is an odd 8-digits composite number following 42687986 and preceding 42687988. In scientific notation, it is written as 4.2687987 × 10^7. The sum of its digits is 51. It has a total of 3 prime factors and 8 positive divisors. There are 28419552 positive integers (up to 42687987) that are relatively prime to 42687987.

Interesting facts

Basic properties

Name

Name forty-two million six hundred eighty-seven thousand nine hundred eighty-seven

Notation

Scientific notation 4.2687987 × 10^7
Engineering notation 4.2687987 × 10^6

Prime Factorization of 42687987

Prime Factorization 3 × 757 × 18797

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 42687987
Product of the distinct prime numbers

The prime factorization of 42687987 is 3 × 757 × 18797. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 42687987)

Multiplication

n×y
n×2 85375974
n×3 128063961
n×4 170751948
n×5 213439935

Division

n÷y
n÷2 21343993.5
n÷3 14229329
n÷3 10671996.75
n÷5 8537597.4

Exponentiation

ny
n2 1822264234112169
n3 7.7788791936345E+22
n4 3.3206469389244E+30
n5 1.417517333604E+38

Nth Root

y√n
2√n 6533.6044416539
3√n 349.49037941103
4√n 80.830714716956
5√n 33.578487896257

Divisors of 42687987

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 -42687986
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 42687987 can be divided by 8 positive divisors. The sum of these divisors (counting 42687987) is 1, the average is 0.125.

Base conversion 42687987

Base System Value
2 Binary 10100010110101110111110011
3 Ternary 2222022202220120
4 Quaternary 2202311313303
5 Quinary 41412003422
6 Senary 4122541323
8 Octal 242656763
10 Decimal 42687987
12 Duodecimal 12367843
16 Hexadecimal 28b5df3
20 Vigesimal d6fjj7
36 Base36 pey9f

Cryptographic Hash Functions

md5 29ab3c52d0589e6b4f5f976540775e29
sha1 ba40e0fd6a46fab2e7e9b40866efc7880357c201
sha256 050916e3bb58383773ef78820255e56df9621039a6afd566a815088bee11e1d8
sha512 ea133a4ffa53476518c9e96c7018e203b6d7ab51f84939d4145bf3fc0d72ba26fa26d05038157bd6f307cc0cd58cacd13ad47503587bc471fe7329dfebb38c9e
ripemd-160 6dee041d993b6038d1b3f4360ef368a73fd0bc47

42687987 as geometric shapes

Circle

Radius = n
Diameter 85375974
Circumference 268216532.71147
Area 5.7248119307862E+15

Sphere

Radius = n
Volume 3.2584092970513E+23
Surface area 2.2899247723145E+16
Circumference 268216532.71147

Square

Length = n
Perimeter 170751948
Area 1822264234112169
Diagonal 60369930.165806

Cube

Length = n
Surface area 10933585404673014
Volume 7.7788791936345E+22
Space diagonal 73937762.35684

Equilateral Triangle

Length = n
Perimeter 128063961
Area 7.8906355957447E+14
Altitude 36968881.17842

Triangular Pyramid

Length = n
Surface area 7.8906355957447E+14
Volume 9.1674970464165E+21
Height 20123310.055269