18881242 (number)

18881242 is an even 8-digits composite number following 18881241 and preceding 18881243. In scientific notation, it is written as 1.8881242 × 10^7. The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors. There are 9440620 positive integers (up to 18881242) that are relatively prime to 18881242.

Interesting facts

Basic properties

Name

Name eighteen million eight hundred eighty-one thousand two hundred forty-two

Notation

Scientific notation 1.8881242 × 10^7
Engineering notation 1.8881242 × 10^6

Prime Factorization of 18881242

Prime Factorization 2 × 9440621

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 18881242
Product of the distinct prime numbers

The prime factorization of 18881242 is 2 × 9440621. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18881242)

Multiplication

n×y
n×2 37762484
n×3 56643726
n×4 75524968
n×5 94406210

Division

n÷y
n÷2 9440621
n÷3 6293747.3333333
n÷3 4720310.5
n÷5 3776248.4

Exponentiation

ny
n2 356501299462564
n3 6.7311873084671E+21
n4 1.270931765185E+29
n5 2.3996770223945E+36

Nth Root

y√n
2√n 4345.2551133391
3√n 266.28304805526
4√n 65.918549083996
5√n 28.523716527535

Divisors of 18881242

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 -18881241
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 18881242 can be divided by 4 positive divisors. The sum of these divisors (counting 18881242) is 1, the average is 0.25.

Base conversion 18881242

Base System Value
2 Binary 1001000000001101011011010
3 Ternary 1022112021012021
4 Quaternary 1020001223122
5 Quinary 14313144432
6 Senary 1512405054
8 Octal 110015332
10 Decimal 18881242
12 Duodecimal 63a678a
16 Hexadecimal 1201ada
20 Vigesimal 5i0322
36 Base36 b8ouy

Cryptographic Hash Functions

md5 a30ddfaf5935f4f5e1d2a8eb05d73ffd
sha1 dddd57284f7430e1a5390d5606d93f30c947b01e
sha256 abf499e97fbeb9e078c541cc8431530b143da11abb4b625111b4ee9e3d4ce557
sha512 6f39fe4c83f1fdef1b6d58d578fa225ec137f68c30c1e29e4e356822d508e4a06cd328e1c29a67c8e66b17150e9e38bb81329ac213ce7f1335daa289769ee03a
ripemd-160 ad89cd947c5300c4968ed025fec0b23a36ca7fb8

18881242 as geometric shapes

Circle

Radius = n
Diameter 37762484
Circumference 118634342.3157
Area 1.1199818633868E+15

Sphere

Radius = n
Volume 2.819553146429E+22
Surface area 4.4799274535472E+15
Circumference 118634342.3157

Square

Length = n
Perimeter 75524968
Area 356501299462564
Diagonal 26702108.510849

Cube

Length = n
Surface area 2139007796775384
Volume 6.7311873084671E+21
Space diagonal 32703270.454003

Equilateral Triangle

Length = n
Perimeter 56643726
Area 1.5436959090837E+14
Altitude 16351635.227002

Triangular Pyramid

Length = n
Surface area 1.5436959090837E+14
Volume 7.9327803187566E+20
Height 8900702.8369495