18989939 (number)

18989939 is an odd 8-digits prime number following 18989938 and preceding 18989940. In scientific notation, it is written as 1.8989939 × 10^7. The sum of its digits is 56. It has a total of 1 prime factors and 2 positive divisors. There are 18989938 positive integers (up to 18989939) that are relatively prime to 18989939.

Interesting facts

Basic properties

Name

Name eighteen million nine hundred eighty-nine thousand nine hundred thirty-nine

Notation

Scientific notation 1.8989939 × 10^7
Engineering notation 1.8989939 × 10^6

Prime Factorization of 18989939

Prime Factorization 18989939

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 18989939
Product of the distinct prime numbers

The prime factorization of 18989939 is 18989939. Since it has a total of 1 prime factors.

Most popular turbo-numbers

1, 10, 89, 1, 913, 201, 2202, 5864, 59179, 63952, 215474, 481326, 231905, 730155, 46065066, 13983175, 277356541, 787081624, 5849497889, 5700872937

Basic calculations (n = 18989939)

Multiplication

n×y
n×2 37979878
n×3 56969817
n×4 75959756
n×5 94949695

Division

n÷y
n÷2 9494969.5
n÷3 6329979.6666667
n÷3 4747484.75
n÷5 3797987.8

Exponentiation

ny
n2 360617783223721
n3 6.8481097057337E+21
n4 1.3004518557719E+29
n5 2.4695501413545E+36

Nth Root

y√n
2√n 4357.7447148726
3√n 266.79305692645
4√n 66.013216213669
5√n 28.5564826711

Divisors of 18989939

1, 18989939

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 18989940
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 9494970
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 4357.7448296108
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999998946811
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18989939 can be divided by 2 positive divisors. The sum of these divisors (counting 18989939) is 18989940, the average is 9494970.

Base conversion 18989939

Base System Value
2 Binary 1001000011100001101110011
3 Ternary 1022201210022002
4 Quaternary 1020130031303
5 Quinary 14330134224
6 Senary 1515004215
8 Octal 110341563
10 Decimal 18989939
12 Duodecimal 643966b
16 Hexadecimal 121c373
20 Vigesimal 5idegj
36 Base36 bb0qb

Cryptographic Hash Functions

md5 7fa8eee6ac3070511b1810c2bbb30d26
sha1 8546ff05a88a0a7411e713bc9db61a9b15af2adc
sha256 41299eb5f1105fb4cc22669fd6c7ca6b4a032a5652698ceba80b94bb054c9c56
sha512 282c1b93885988d6247f31118806d619963037c0735a1496636b623083117a5ff7a384fab05de2ca310ed30785bc4429f0eac7fa147908f0ba362f4a1d679856
ripemd-160 f1e6fb233e290399ffbb866e424f2fe6dbe733ca

18989939 as geometric shapes

Circle

Radius = n
Diameter 37979878
Circumference 119317305.70904
Area 1.1329141785295E+15

Sphere

Radius = n
Volume 2.868529485668E+22
Surface area 4.5316567141179E+15
Circumference 119317305.70904

Square

Length = n
Perimeter 75959756
Area 360617783223721
Diagonal 26855829.282438

Cube

Length = n
Surface area 2163706699342326
Volume 6.8481097057337E+21
Space diagonal 32891539.180634

Equilateral Triangle

Length = n
Perimeter 56969817
Area 1.5615208066409E+14
Altitude 16445769.590317

Triangular Pyramid

Length = n
Surface area 1.5615208066409E+14
Volume 8.0705746853895E+20
Height 8951943.0941459