18989870 (number)

18989870 is an even 8-digits composite number following 18989869 and preceding 18989871. In scientific notation, it is written as 1.8989870 × 10^7. The sum of its digits is 50. It has a total of 4 prime factors and 16 positive divisors. There are 7575744 positive integers (up to 18989870) that are relatively prime to 18989870.

Interesting facts

Basic properties

Name

Name eighteen million nine hundred eighty-nine thousand eight hundred seventy

Notation

Scientific notation 1.8989870 × 10^7
Engineering notation 1.8989870 × 10^6

Prime Factorization of 18989870

Prime Factorization 2 × 5 × 409 × 4643

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 18989870
Product of the distinct prime numbers

The prime factorization of 18989870 is 2 × 5 × 409 × 4643. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 7, 58, 89, 357, 204, 5742, 1599, 15948, 8763, 872606, 361322, 7295477, 2912283, 44980390, 40760471, 428066257, 31752320, 8615663153, 191636736

Basic calculations (n = 18989870)

Multiplication

n×y
n×2 37979740
n×3 56969610
n×4 75959480
n×5 94949350

Division

n÷y
n÷2 9494935
n÷3 6329956.6666667
n÷3 4747467.5
n÷5 3797974

Exponentiation

ny
n2 360615162616900
n3 6.8480350581238E+21
n4 1.3004329550921E+29
n5 2.4695052760915E+36

Nth Root

y√n
2√n 4357.7367979262
3√n 266.79273379493
4√n 66.013156248783
5√n 28.556461919057

Divisors of 18989870

1, 2, 5, 10, 409, 818, 2045, 4090, 4643, 9286, 23215, 46430, 1898987, 3797974, 9494935, 18989870

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18989869
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18989870 can be divided by 16 positive divisors. The sum of these divisors (counting 18989870) is 1, the average is 0.0625.

Base conversion 18989870

Base System Value
2 Binary 1001000011100001100101110
3 Ternary 1022201210012112
4 Quaternary 1020130030232
5 Quinary 14330133440
6 Senary 1515004022
8 Octal 110341456
10 Decimal 18989870
12 Duodecimal 6439612
16 Hexadecimal 121c32e
20 Vigesimal 5ideda
36 Base36 bb0oe

Cryptographic Hash Functions

md5 0f78469c43d2bc36e440894a9bc12aa1
sha1 bd892dc10360c4c4f357c3808971a9ead24c5943
sha256 32c8f2327015e714e5c1784c431be2e34f71457e2ed24f27615d695bb00cca73
sha512 8b3d8af57d3b312b705f7863942b7adca310fad3706d2c259061bf1f28528a96a053683f4abbbb1ad3092c095af9b7b3757ef504a1c41f893e74096fc44ab1ec
ripemd-160 a306a07b21f73b265cc486da3c5ee889e1fffa8a

18989870 as geometric shapes

Circle

Radius = n
Diameter 37979740
Circumference 119316872.16925
Area 1.1329059456503E+15

Sphere

Radius = n
Volume 2.8684982173503E+22
Surface area 4.5316237826014E+15
Circumference 119316872.16925

Square

Length = n
Perimeter 75959480
Area 360615162616900
Diagonal 26855731.701702

Cube

Length = n
Surface area 2163690975701400
Volume 6.8480350581238E+21
Space diagonal 32891419.669128

Equilateral Triangle

Length = n
Perimeter 56969610
Area 1.5615094590805E+14
Altitude 16445709.834564

Triangular Pyramid

Length = n
Surface area 1.5615094590805E+14
Volume 8.0704867123376E+20
Height 8951910.567234