18889745 (number)

18889745 is an odd 8-digits composite number following 18889744 and preceding 18889746. In scientific notation, it is written as 1.8889745 × 10^7. The sum of its digits is 50. It has a total of 3 prime factors and 8 positive divisors. There are 12952800 positive integers (up to 18889745) that are relatively prime to 18889745.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.8889745 × 10^7
Engineering notation 1.8889745 × 10^6

Prime Factorization of 18889745

Prime Factorization 49 × 5 × 77101

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18889745
Product of the distinct prime numbers

The prime factorization of 18889745 is 49 × 5 × 77101. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18889745)

Multiplication

n×y
n×2 37779490
n×3 56669235
n×4 75558980
n×5 94448725

Division

n÷y
n÷2 9444872.5
n÷3 6296581.6666667
n÷3 4722436.25
n÷5 3777949

Exponentiation

ny
n2 356822466165025
n3 6.7402853961285E+21
n4 1.2732227236009E+29
n5 2.4050852577027E+36

Nth Root

y√n
2√n 4346.2334267731
3√n 266.32301479323
4√n 65.925969289599
5√n 28.526285145464

Divisors of 18889745

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 -18889744
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 18889745 can be divided by 8 positive divisors. The sum of these divisors (counting 18889745) is 1, the average is 0.125.

Base conversion 18889745

Base System Value
2 Binary 1001000000011110000010001
3 Ternary 1022112200212012
4 Quaternary 1020003300101
5 Quinary 14313432440
6 Senary 1512512305
8 Octal 110036021
10 Decimal 18889745
12 Duodecimal 63ab695
16 Hexadecimal 1203c11
20 Vigesimal 5i1475
36 Base36 b8vf5

Cryptographic Hash Functions

md5 0b109f8d84815f60953002eb97a45073
sha1 d3c4c5d42e1c2fa896894050a266a9adce88ea9f
sha256 f387b145a7ea71b40cc272836556699a85964b5f16dae0a353d1e33c114b6d5c
sha512 c6631cd14b1ac741e011e70c2a0e34954eb594e0bbea8e9642c66eb99c59dca01a6f66189e86eb15b59d1513d84548ef4ef83261fc83e4da5b90d3c891920f5e
ripemd-160 f23043e1aebe2efc5d55c1b25a4c27a3562d8380

18889745 as geometric shapes

Circle

Radius = n
Diameter 37779490
Circumference 118687768.24037
Area 1.1209908383398E+15

Sphere

Radius = n
Volume 2.8233641444768E+22
Surface area 4.4839633533593E+15
Circumference 118687768.24037

Square

Length = n
Perimeter 75558980
Area 356822466165025
Diagonal 26714133.568769

Cube

Length = n
Surface area 2140934796990150
Volume 6.7402853961285E+21
Space diagonal 32717998.08202

Equilateral Triangle

Length = n
Perimeter 56669235
Area 1.5450866016996E+14
Altitude 16358999.04101

Triangular Pyramid

Length = n
Surface area 1.5450866016996E+14
Volume 7.9435025178918E+20
Height 8904711.1895898