18989739 (number)

18989739 is an odd 8-digits composite number following 18989738 and preceding 18989740. In scientific notation, it is written as 1.8989739 × 10^7. The sum of its digits is 54. It has a total of 4 prime factors and 12 positive divisors. There are 12390192 positive integers (up to 18989739) that are relatively prime to 18989739.

Interesting facts

Basic properties

Name

Name eighteen million nine hundred eighty-nine thousand seven hundred thirty-nine

Notation

Scientific notation 1.8989739 × 10^7
Engineering notation 1.8989739 × 10^6

Prime Factorization of 18989739

Prime Factorization 3 × 3 × 47 × 44893

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 6329913
Product of the distinct prime numbers

The prime factorization of 18989739 is 3 × 3 × 47 × 44893. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 7, 4, 46, 280, 843, 928, 5421, 97534, 18516, 204279, 585915, 8478035, 5933287, 14529717, 81100927, 91187368, 622895097, 1630823539, 2922089564

Basic calculations (n = 18989739)

Multiplication

n×y
n×2 37979478
n×3 56969217
n×4 75958956
n×5 94948695

Division

n÷y
n÷2 9494869.5
n÷3 6329913
n÷3 4747434.75
n÷5 3797947.8

Exponentiation

ny
n2 360610187288121
n3 6.8478933373425E+21
n4 1.3003970717597E+29
n5 2.4694200989082E+36

Nth Root

y√n
2√n 4357.7217671623
3√n 266.79212031121
4√n 66.013042401955
5√n 28.556422520084

Divisors of 18989739

1, 3, 9, 47, 141, 423, 44893, 134679, 404037, 2109971, 6329913, 18989739

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18989738
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18989739 can be divided by 12 positive divisors. The sum of these divisors (counting 18989739) is 1, the average is 0.083333333333333.

Base conversion 18989739

Base System Value
2 Binary 1001000011100001010101011
3 Ternary 1022201210000200
4 Quaternary 1020130022223
5 Quinary 14330132424
6 Senary 1515003243
8 Octal 110341253
10 Decimal 18989739
12 Duodecimal 6439523
16 Hexadecimal 121c2ab
20 Vigesimal 5ide6j
36 Base36 bb0kr

Cryptographic Hash Functions

md5 25c02bb07a16eef59188d65e7da9bd5a
sha1 a9925c47d579da3f543f0e36ddc5dec0332fe1a6
sha256 594c5743dcce00ed65bf2d5bee0d42bc1d6923069beeab082c3894edfdbb8c1c
sha512 ad76d41c37906b33b65aa94c165ccecfbf211bf5dee363c87f0e11a1a2fc89d679a525c346aa4c579a47b82148cdedec81b29164721cff5c571e45eb2748cb69
ripemd-160 4167b4ea7dea62600bc0e58283b53efed273afba

18989739 as geometric shapes

Circle

Radius = n
Diameter 37979478
Circumference 119316049.07198
Area 1.132890315194E+15

Sphere

Radius = n
Volume 2.8684388534882E+22
Surface area 4.531561260776E+15
Circumference 119316049.07198

Square

Length = n
Perimeter 75958956
Area 360610187288121
Diagonal 26855546.439725

Cube

Length = n
Surface area 2163661123728726
Volume 6.8478933373425E+21
Space diagonal 32891192.770472

Equilateral Triangle

Length = n
Perimeter 56969217
Area 1.5614879152749E+14
Altitude 16445596.385236

Triangular Pyramid

Length = n
Surface area 1.5614879152749E+14
Volume 8.0703196927951E+20
Height 8951848.8132418