2018993987 (number)

2018993987 is an odd 10-digits composite number following 2018993986 and preceding 2018993988. In scientific notation, it is written as 2.018993987 × 10^9. The sum of its digits is 56. It has a total of 2 prime factors and 4 positive divisors. There are 1998179520 positive integers (up to 2018993987) that are relatively prime to 2018993987.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.018993987 × 10^9
Engineering notation 2.018993987 × 10^9

Prime Factorization of 2018993987

Prime Factorization 97 × 20814371

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 2018993987
Product of the distinct prime numbers

The prime factorization of 2018993987 is 97 × 20814371. Since it has a total of 2 prime factors.

Most popular turbo-numbers

1, 2, 41, 21, 141, 189, 875, 3609, 93689, 26410, 47703, 485866, 4728988, 3163866, 22954065, 86884973, 255983615, 486116735, 3170465743, 5908186242

Basic calculations (n = 2018993987)

Multiplication

n×y
n×2 4037987974
n×3 6056981961
n×4 8075975948
n×5 10094969935

Division

n÷y
n÷2 1009496993.5
n÷3 672997995.66667
n÷3 504748496.75
n÷5 403798797.4

Exponentiation

ny
n2 4076336719542156169
n3 8.2300993257429E+27
n4 1.6616521051088E+37
n5 3.3548656087005E+46

Nth Root

y√n
2√n 44933.216966961
3√n 1263.8969772209
4√n 211.97456679272
5√n 72.615110923372

Divisors of 2018993987

1, 97, 20814371, 2018993987

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -2018993986
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 2018993987 can be divided by 4 positive divisors. The sum of these divisors (counting 2018993987) is 1, the average is 0.25.

Base conversion 2018993987

Base System Value
2 Binary 1111000010101110110011101000011
3 Ternary 12012201002112002002
4 Quaternary 1320111312131003
5 Quinary 13113330301422
6 Senary 532202014215
8 Octal 17025663503
10 Decimal 2018993987
12 Duodecimal 4841a736b
16 Hexadecimal 78576743
20 Vigesimal 1baie4j7
36 Base36 xe21qb

Cryptographic Hash Functions

md5 d0a124892b609b5f2fbb67ea92f3ce47
sha1 539c21b5003eb5da11b115aae5fcac66c65fb4fc
sha256 cb7b3e259af2a44b68ba92bcdf6598be580b2be52cca552b992e858ce5b6c34c
sha512 49aece89976938af307d8787483b5bf8aceb425109e6d86923dead33427677d1a53d1e5444b6d525a01be8e349422aa19a6871c56d032fb81a89ae4fe214ec97
ripemd-160 9980ef6b4a704c28475262a706b922f2be02075b

2018993987 as geometric shapes

Circle

Radius = n
Diameter 4037987974
Circumference 12685713354.402
Area 1.2806189491672E+19

Sphere

Radius = n
Volume 3.4474159440091E+28
Surface area 5.1224757966688E+19
Circumference 12685713354.402

Square

Length = n
Perimeter 8075975948
Area 4076336719542156169
Diagonal 2855288678.7651

Cube

Length = n
Surface area 2.4458020317253E+19
Volume 8.2300993257429E+27
Space diagonal 3497000165.6601

Equilateral Triangle

Length = n
Perimeter 6056981961
Area 1.7651055767514E+18
Altitude 1748500082.83

Triangular Pyramid

Length = n
Surface area 1.7651055767514E+18
Volume 9.6992650717861E+26
Height 951762892.92171