18849989 (number)

18849989 is an odd 8-digits composite number following 18849988 and preceding 18849990. In scientific notation, it is written as 1.8849989 × 10^7. The sum of its digits is 56. It has a total of 2 prime factors and 4 positive divisors. There are 18839424 positive integers (up to 18849989) that are relatively prime to 18849989.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.8849989 × 10^7
Engineering notation 1.8849989 × 10^6

Prime Factorization of 18849989

Prime Factorization 2273 × 8293

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 18849989
Product of the distinct prime numbers

The prime factorization of 18849989 is 2273 × 8293. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18849989)

Multiplication

n×y
n×2 37699978
n×3 56549967
n×4 75399956
n×5 94249945

Division

n÷y
n÷2 9424994.5
n÷3 6283329.6666667
n÷3 4712497.25
n÷5 3769997.8

Exponentiation

ny
n2 355322085300121
n3 6.6978173993643E+21
n4 1.2625378430203E+29
n5 2.3798824453016E+36

Nth Root

y√n
2√n 4341.6574024213
3√n 266.13604607229
4√n 65.891254369767
5√n 28.514267546092

Divisors of 18849989

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 -18849988
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 18849989 can be divided by 4 positive divisors. The sum of these divisors (counting 18849989) is 1, the average is 0.25.

Base conversion 18849989

Base System Value
2 Binary 1000111111010000011000101
3 Ternary 1022110200022202
4 Quaternary 1013322003011
5 Quinary 14311144424
6 Senary 1512004245
8 Octal 107720305
10 Decimal 18849989
12 Duodecimal 6390685
16 Hexadecimal 11fa0c5
20 Vigesimal 5hg4j9
36 Base36 b80qt

Cryptographic Hash Functions

md5 ad0513bb14c177ce3421a6623d1d0329
sha1 81a2ce14affd05194823b82af85ee31cf1ce617c
sha256 82790cff161d6401f995c1160a149b46a9d6c48894776540c50a7e6ac03a9d00
sha512 0e9078fcc6f1f00dfae949ae7f7aaa0e699c612c97a1084be489e0f8cf05dddd1b56a19ede395289cda06f0ec6057b5f9863a51b9a615e28c57aecb29f35b9f5
ripemd-160 20784f54ca4f90c890352ec8a2eda3906e4ff5aa

18849989 as geometric shapes

Circle

Radius = n
Diameter 37699978
Circumference 118437973.9253
Area 1.1162772528371E+15

Sphere

Radius = n
Volume 2.8055751915905E+22
Surface area 4.4651090113483E+15
Circumference 118437973.9253

Square

Length = n
Perimeter 75399956
Area 355322085300121
Diagonal 26657910.094384

Cube

Length = n
Surface area 2131932511800726
Volume 6.6978173993643E+21
Space diagonal 32649138.670114

Equilateral Triangle

Length = n
Perimeter 56549967
Area 1.5385897619778E+14
Altitude 16324569.335057

Triangular Pyramid

Length = n
Surface area 1.5385897619778E+14
Volume 7.893453503733E+20
Height 8885970.0314612