18993872 (number)

18993872 is an even 8-digits composite number following 18993871 and preceding 18993873. In scientific notation, it is written as 1.8993872 × 10^7. The sum of its digits is 47. It has a total of 5 prime factors and 10 positive divisors. There are 9496928 positive integers (up to 18993872) that are relatively prime to 18993872.

Interesting facts

Basic properties

Name

Name eighteen million nine hundred ninety-three thousand eight hundred seventy-two

Notation

Scientific notation 1.8993872 × 10^7
Engineering notation 1.8993872 × 10^6

Prime Factorization of 18993872

Prime Factorization 2 × 2 × 2 × 2 × 1187117

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 2374234
Product of the distinct prime numbers

The prime factorization of 18993872 is 2 × 2 × 2 × 2 × 1187117. Since it has a total of 5 prime factors.

Most popular turbo-numbers

9, 10, 44, 20, 530, 352, 9793, 9942, 49623, 85282, 42516, 488650, 6910700, 4569212, 51162106, 22351032, 710649451, 635554300, 3555313948, 2645010766

Basic calculations (n = 18993872)

Multiplication

n×y
n×2 37987744
n×3 56981616
n×4 75975488
n×5 94969360

Division

n÷y
n÷2 9496936
n÷3 6331290.6666667
n÷3 4748468
n÷5 3798774.4

Exponentiation

ny
n2 360767173552384
n3 6.8523655162558E+21
n4 1.3015295351298E+29
n5 2.4721085394474E+36

Nth Root

y√n
2√n 4358.1959570446
3√n 266.81147412904
4√n 66.016633942095
5√n 28.557665437859

Divisors of 18993872

1, 2, 4, 8, 16, 1187117, 2374234, 4748468, 9496936, 18993872

10 divisors

τ Total Divisors 10
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18993871
Sum of the proper positive divisors of n
A Arithmetic Mean 0.1
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 10
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18993872 can be divided by 10 positive divisors. The sum of these divisors (counting 18993872) is 1, the average is 0.1.

Base conversion 18993872

Base System Value
2 Binary 1001000011101001011010000
3 Ternary 1022201222200202
4 Quaternary 1020131023100
5 Quinary 14330300442
6 Senary 1515034332
8 Octal 110351320
10 Decimal 18993872
12 Duodecimal 643b9a8
16 Hexadecimal 121d2d0
20 Vigesimal 5ie4dc
36 Base36 bb3rk

Cryptographic Hash Functions

md5 f4376ab6384013ba7861f772652d464f
sha1 13fcc4099c547ed9935578f8ccdbb89b292bcdf0
sha256 f01a4ce356285c2a5ed41ef00222d20531585273373938ffeaf70273a2d7fa4f
sha512 8ad132b0e9039fdcff70ef8cd01ac601cbc0c41df6015e59867ad417fef47c8b96908bd6450ef25514c6049d404029d7bcb80efeb7571261936d69b5911bce29
ripemd-160 bdeed54cb51b5eed3248255f957534d0754782bf

18993872 as geometric shapes

Circle

Radius = n
Diameter 37987744
Circumference 119342017.47685
Area 1.1333835020885E+15

Sphere

Radius = n
Volume 2.8703121554108E+22
Surface area 4.5335340083541E+15
Circumference 119342017.47685

Square

Length = n
Perimeter 75975488
Area 360767173552384
Diagonal 26861391.384379

Cube

Length = n
Surface area 2164603041314304
Volume 6.8523655162558E+21
Space diagonal 32898351.33646

Equilateral Triangle

Length = n
Perimeter 56981616
Area 1.5621676857394E+14
Altitude 16449175.66823

Triangular Pyramid

Length = n
Surface area 1.5621676857394E+14
Volume 8.0755902061889E+20
Height 8953797.1281262