2018993985 (number)

2018993985 is an odd 10-digits composite number following 2018993984 and preceding 2018993986. In scientific notation, it is written as 2.018993985 × 10^9. The sum of its digits is 54. It has a total of 6 prime factors and 64 positive divisors. There are 1032756480 positive integers (up to 2018993985) that are relatively prime to 2018993985.

Interesting facts

Basic properties

Name

Name two billion eighteen million nine hundred ninety-three thousand nine hundred eighty-five

Notation

Scientific notation 2.018993985 × 10^9
Engineering notation 2.018993985 × 10^9

Prime Factorization of 2018993985

Prime Factorization 71 × 5 × 37 × 3 × 9 × 5693

Composite number
ω Distinct Factors 6
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 2018993985
Product of the distinct prime numbers

The prime factorization of 2018993985 is 71 × 5 × 37 × 3 × 9 × 5693. Since it has a total of 6 prime factors.

Most popular turbo-numbers

3, 6, 26, 33, 958, 52, 1761, 1289, 59522, 787, 648187, 499918, 5019986, 7625342, 82808775, 18841912, 487293328, 455622501, 1643649386, 5303638108

Basic calculations (n = 2018993985)

Multiplication

n×y
n×2 4037987970
n×3 6056981955
n×4 8075975940
n×5 10094969925

Division

n÷y
n÷2 1009496992.5
n÷3 672997995
n÷3 504748496.25
n÷5 403798797

Exponentiation

ny
n2 4076336711466180225
n3 8.2300993012849E+27
n4 1.6616520985247E+37
n5 3.354865592084E+46

Nth Root

y√n
2√n 44933.216944706
3√n 1263.8969768036
4√n 211.97456674022
5√n 72.615110908986

Divisors of 2018993985

1, 3, 5, 9, 15, 27, 37, 45, 71, 111, 135, 185, 213, 333, 355, 555, 639, 999, 1065, 1665, 1917, 2627, 3195, 4995, 5693, 7881, 9585, 13135, 17079, 23643, 28465, 39405, 51237, 70929, 85395, 118215, 153711, 210641, 256185, 354645, 404203, 631923, 768555, 1053205, 1212609, 1895769, 2021015, 3159615, 3637827, 5687307, 6063045, 9478845, 10913481, 14955511, 18189135, 28436535, 44866533, 54567405, 74777555, 134599599, 224332665, 403798797, 672997995, 2018993985

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -2018993984
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 2018993985 can be divided by 64 positive divisors. The sum of these divisors (counting 2018993985) is 1, the average is 0.015625.

Base conversion 2018993985

Base System Value
2 Binary 1111000010101110110011101000001
3 Ternary 12012201002112002000
4 Quaternary 1320111312131001
5 Quinary 13113330301420
6 Senary 532202014213
8 Octal 17025663501
10 Decimal 2018993985
12 Duodecimal 4841a7369
16 Hexadecimal 78576741
20 Vigesimal 1baie4j5
36 Base36 xe21q9

Cryptographic Hash Functions

md5 bdbe30d84e4b8aa4a1b4b357ff9e38c7
sha1 2720c48f2f1ae3f73c4fff40920b34760aecd97e
sha256 c67b7573843ad698b3472deddf7b522a6ad149984153e72ece02ccf4abf64eaf
sha512 d06eeaf2d88969aa43ec50cb7014f4cea365d219ab9fa9da77f211056bf038c59904907cde4aaebab79b4239924fbfdf80bb7cc2c538c6d1e7bc3524d7f3d8ee
ripemd-160 f0a54b881347ffc950dbab83b13175f1a6a76b65

2018993985 as geometric shapes

Circle

Radius = n
Diameter 4037987970
Circumference 12685713341.836
Area 1.2806189466301E+19

Sphere

Radius = n
Volume 3.4474159337641E+28
Surface area 5.1224757865202E+19
Circumference 12685713341.836

Square

Length = n
Perimeter 8075975940
Area 4076336711466180225
Diagonal 2855288675.9367

Cube

Length = n
Surface area 2.4458020268797E+19
Volume 8.2300993012849E+27
Space diagonal 3497000162.196

Equilateral Triangle

Length = n
Perimeter 6056981955
Area 1.7651055732544E+18
Altitude 1748500081.098

Triangular Pyramid

Length = n
Surface area 1.7651055732544E+18
Volume 9.699265042962E+26
Height 951762891.9789