42390987 (number)

42390987 is an odd 8-digits composite number following 42390986 and preceding 42390988. In scientific notation, it is written as 4.2390987 × 10^7. The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors. There are 28243560 positive integers (up to 42390987) that are relatively prime to 42390987.

Interesting facts

Basic properties

Name

Name forty-two million three hundred ninety thousand nine hundred eighty-seven

Notation

Scientific notation 4.2390987 × 10^7
Engineering notation 4.2390987 × 10^6

Prime Factorization of 42390987

Prime Factorization 3 × 2239 × 6311

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 42390987
Product of the distinct prime numbers

The prime factorization of 42390987 is 3 × 2239 × 6311. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 42390987)

Multiplication

n×y
n×2 84781974
n×3 127172961
n×4 169563948
n×5 211954935

Division

n÷y
n÷2 21195493.5
n÷3 14130329
n÷3 10597746.75
n÷5 8478197.4

Exponentiation

ny
n2 1796995778834169
n3 7.6176424699614E+22
n4 3.2291938291478E+30
n5 1.3688871363189E+38

Nth Root

y√n
2√n 6510.836121421
3√n 348.67797050478
4√n 80.689752270167
5√n 33.531633114802

Divisors of 42390987

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 -42390986
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 42390987 can be divided by 8 positive divisors. The sum of these divisors (counting 42390987) is 1, the average is 0.125.

Base conversion 42390987

Base System Value
2 Binary 10100001101101010111001011
3 Ternary 2221202200111120
4 Quaternary 2201231113023
5 Quinary 41323002422
6 Senary 4112330323
8 Octal 241552713
10 Decimal 42390987
12 Duodecimal 122439a3
16 Hexadecimal 286d5cb
20 Vigesimal d4ih97
36 Base36 p8l3f

Cryptographic Hash Functions

md5 5d1d1b2e367ce5001d3369b46612cbc5
sha1 75ca718132be32e25b40810442195c41b11d887b
sha256 b642afebc38451ec7c5f0cdc9d42de3775b09b0eb1b60bd87eb06e2815d7d124
sha512 4d69291c7a0c41ac1c50c35b96f914ba448fdc493e2d3c7e3526525b74a7b95a6da57b9cfa1e1a1767db7dd0c2d56f2ba20ad805be017f4ec12b1c53b9091871
ripemd-160 28cfbaef8f09c233d002617560c4be7f3c5d3889

42390987 as geometric shapes

Circle

Radius = n
Diameter 84781974
Circumference 266350426.67524
Area 5.6454287373173E+15

Sphere

Radius = n
Volume 3.1908706161739E+23
Surface area 2.2581714949269E+16
Circumference 266350426.67524

Square

Length = n
Perimeter 169563948
Area 1796995778834169
Diagonal 59949908.737782

Cube

Length = n
Surface area 10781974673005014
Volume 7.6176424699614E+22
Space diagonal 73423343.266992

Equilateral Triangle

Length = n
Perimeter 127172961
Area 7.781219974819E+14
Altitude 36711671.633496

Triangular Pyramid

Length = n
Surface area 7.781219974819E+14
Volume 8.9774777452739E+21
Height 19983302.912594