18949969 (number)

18949969 is an odd 8-digits composite number following 18949968 and preceding 18949970. In scientific notation, it is written as 1.8949969 × 10^7. The sum of its digits is 55. It has a total of 3 prime factors and 8 positive divisors. There are 18598272 positive integers (up to 18949969) that are relatively prime to 18949969.

Interesting facts

Basic properties

Name

Name eighteen million nine hundred forty-nine thousand nine hundred sixty-nine

Notation

Scientific notation 1.8949969 × 10^7
Engineering notation 1.8949969 × 10^6

Prime Factorization of 18949969

Prime Factorization 89 × 149 × 1429

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18949969
Product of the distinct prime numbers

The prime factorization of 18949969 is 89 × 149 × 1429. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18949969)

Multiplication

n×y
n×2 37899938
n×3 56849907
n×4 75799876
n×5 94749845

Division

n÷y
n÷2 9474984.5
n÷3 6316656.3333333
n÷3 4737492.25
n÷5 3789993.8

Exponentiation

ny
n2 359101325100961
n3 6.8049589785221E+21
n4 1.2895376168927E+29
n5 2.443669786445E+36

Nth Root

y√n
2√n 4353.1562113023
3√n 266.60574354774
4√n 65.978452628887
5√n 28.544451407631

Divisors of 18949969

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18949968
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18949969 can be divided by 8 positive divisors. The sum of these divisors (counting 18949969) is 1, the average is 0.125.

Base conversion 18949969

Base System Value
2 Binary 1001000010010011101010001
3 Ternary 1022122202110201
4 Quaternary 1020102131101
5 Quinary 14322344334
6 Senary 1514055201
8 Octal 110223521
10 Decimal 18949969
12 Duodecimal 641a501
16 Hexadecimal 1212751
20 Vigesimal 5i8ei9
36 Base36 ba5w1

Cryptographic Hash Functions

md5 2e3f2e042089507f2a5b25db6ac80d48
sha1 9fd5edc92118f9ec0e431caadb55ae89f0a59aa1
sha256 799449fbcdca316a9f85aaa0675ddf48456705f2bff36d9061860164bf235970
sha512 6dfb1d487d2f8762c0b2732d414d197b0e2b52a8a7fc2c3b774580f38355d25d0c25619ec705e0557f24b8bcd2070b020bb2968ab9d8bbf7f8a0689e14935c6f
ripemd-160 db45a736c98583e13ed2c26b52fe3cc3043c537f

18949969 as geometric shapes

Circle

Radius = n
Diameter 37899938
Circumference 119066166.79231
Area 1.1281500848315E+15

Sphere

Radius = n
Volume 2.8504545513207E+22
Surface area 4.5126003393262E+15
Circumference 119066166.79231

Square

Length = n
Perimeter 75799876
Area 359101325100961
Diagonal 26799303.16635

Cube

Length = n
Surface area 2154607950605766
Volume 6.8049589785221E+21
Space diagonal 32822309.109855

Equilateral Triangle

Length = n
Perimeter 56849907
Area 1.5549543503504E+14
Altitude 16411154.554928

Triangular Pyramid

Length = n
Surface area 1.5549543503504E+14
Volume 8.0197210656821E+20
Height 8933101.0554499