18985870 (number)

18985870 is an even 8-digits composite number following 18985869 and preceding 18985871. In scientific notation, it is written as 1.8985870 × 10^7. The sum of its digits is 46. It has a total of 4 prime factors and 16 positive divisors. There are 7408960 positive integers (up to 18985870) that are relatively prime to 18985870.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.8985870 × 10^7
Engineering notation 1.8985870 × 10^6

Prime Factorization of 18985870

Prime Factorization 2 × 5 × 41 × 46307

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 18985870
Product of the distinct prime numbers

The prime factorization of 18985870 is 2 × 5 × 41 × 46307. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 4, 11, 99, 145, 380, 9902, 6707, 97000, 54668, 19318, 750395, 4692151, 6353597, 73609478, 63489844, 542231744, 34151380, 7441710288, 3965944078

Basic calculations (n = 18985870)

Multiplication

n×y
n×2 37971740
n×3 56957610
n×4 75943480
n×5 94929350

Division

n÷y
n÷2 9492935
n÷3 6328623.3333333
n÷3 4746467.5
n÷5 3797174

Exponentiation

ny
n2 360463259656900
n3 6.8437085876221E+21
n4 1.2993376156248E+29
n5 2.4669055056362E+36

Nth Root

y√n
2√n 4357.2778199238
3√n 266.77400019516
4√n 66.009679744139
5√n 28.55525879894

Divisors of 18985870

1, 2, 5, 10, 41, 82, 205, 410, 46307, 92614, 231535, 463070, 1898587, 3797174, 9492935, 18985870

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 -18985869
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 18985870 can be divided by 16 positive divisors. The sum of these divisors (counting 18985870) is 1, the average is 0.0625.

Base conversion 18985870

Base System Value
2 Binary 1001000011011001110001110
3 Ternary 1022201120201101
4 Quaternary 1020123032032
5 Quinary 14330021440
6 Senary 1514533314
8 Octal 110331616
10 Decimal 18985870
12 Duodecimal 643723a
16 Hexadecimal 121b38e
20 Vigesimal 5id4da
36 Base36 baxla

Cryptographic Hash Functions

md5 5eb86a677ee9cd70ea655ec7a13b8dbc
sha1 27bbb34b8328bdc68292c3b55dc9d367d813dd79
sha256 f8523a38aff38bf84221e081501878f5c4d09fac60e093b983968a34afff83b1
sha512 a92b249d828b24fe275de4518c0b7024484fbf8eabdbda935c8b0ce1ec73893df70008d6aaf9d82075a9f63237cb833ff9b549310a0bf934e5eda6372a475257
ripemd-160 ac0aac05cd95ff1d489ba21ebd6bc2bb44c3c01b

18985870 as geometric shapes

Circle

Radius = n
Diameter 37971740
Circumference 119291739.42802
Area 1.1324287284271E+15

Sphere

Radius = n
Volume 2.8666859496244E+22
Surface area 4.5297149137086E+15
Circumference 119291739.42802

Square

Length = n
Perimeter 75943480
Area 360463259656900
Diagonal 26850074.847452

Cube

Length = n
Surface area 2162779557941400
Volume 6.8437085876221E+21
Space diagonal 32884491.465898

Equilateral Triangle

Length = n
Perimeter 56957610
Area 1.5608516999691E+14
Altitude 16442245.732949

Triangular Pyramid

Length = n
Surface area 1.5608516999691E+14
Volume 8.0653879179537E+20
Height 8950024.9491508