18985239 (number)

18985239 is an odd 8-digits composite number following 18985238 and preceding 18985240. In scientific notation, it is written as 1.8985239 × 10^7. The sum of its digits is 45. It has a total of 5 prime factors and 32 positive divisors. There are 10012896 positive integers (up to 18985239) that are relatively prime to 18985239.

Interesting facts

Basic properties

Name

Name eighteen million nine hundred eighty-five thousand two hundred thirty-nine

Notation

Scientific notation 1.8985239 × 10^7
Engineering notation 1.8985239 × 10^6

Prime Factorization of 18985239

Prime Factorization 7 × 13 × 9 × 3 × 7727

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 18985239
Product of the distinct prime numbers

The prime factorization of 18985239 is 7 × 13 × 9 × 3 × 7727. Since it has a total of 5 prime factors.

Most popular turbo-numbers

9, 5, 20, 42, 527, 259, 5681, 6776, 26905, 39330, 628299, 384322, 6747995, 3638777, 22466700, 29844811, 461572388, 735591823, 1243393761, 8909524964

Basic calculations (n = 18985239)

Multiplication

n×y
n×2 37970478
n×3 56955717
n×4 75940956
n×5 94926195

Division

n÷y
n÷2 9492619.5
n÷3 6328413
n÷3 4746309.75
n÷5 3797047.8

Exponentiation

ny
n2 360439299887121
n3 6.8430262533497E+21
n4 1.2991648890312E+29
n5 2.4664955918665E+36

Nth Root

y√n
2√n 4357.2054117289
3√n 266.77104472952
4√n 66.009131275369
5√n 28.555068988225

Divisors of 18985239

1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 189, 273, 351, 819, 2457, 7727, 23181, 54089, 69543, 100451, 162267, 208629, 301353, 486801, 703157, 904059, 1460403, 2109471, 2712177, 6328413, 18985239

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18985238
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18985239 can be divided by 32 positive divisors. The sum of these divisors (counting 18985239) is 1, the average is 0.03125.

Base conversion 18985239

Base System Value
2 Binary 1001000011011000100010111
3 Ternary 1022201112212000
4 Quaternary 1020123010113
5 Quinary 14330011424
6 Senary 1514530343
8 Octal 110330427
10 Decimal 18985239
12 Duodecimal 64369b3
16 Hexadecimal 121b117
20 Vigesimal 5id31j
36 Base36 bax3r

Cryptographic Hash Functions

md5 812e0551f7a17f34a75c5e515dfd98ca
sha1 ee32e912844bd55afaa4ca90f322f0c142bc24a2
sha256 b7e014a3aefac102a71ac49819d52952d05d733cc11f7b8b84a2085559ecb063
sha512 aa026ce70f37e43220bbbf9a8854b99acc537d59c965d2445fedaee340f137efb824ad0c49145019cf1dd0eb19f4da8d6bc4522cd2cd0b8db9b86fdd9058adb1
ripemd-160 03e4532d6d27300d677e45e2507eeb698236bde4

18985239 as geometric shapes

Circle

Radius = n
Diameter 37970478
Circumference 119287774.73809
Area 1.1323534565904E+15

Sphere

Radius = n
Volume 2.8664001341127E+22
Surface area 4.5294138263617E+15
Circumference 119287774.73809

Square

Length = n
Perimeter 75940956
Area 360439299887121
Diagonal 26849182.478695

Cube

Length = n
Surface area 2162635799322726
Volume 6.8430262533497E+21
Space diagonal 32883398.541838

Equilateral Triangle

Length = n
Perimeter 56955717
Area 1.5607479511226E+14
Altitude 16441699.270919

Triangular Pyramid

Length = n
Surface area 1.5607479511226E+14
Volume 8.0645837793019E+20
Height 8949727.4928982