18389748 (number)

18389748 is an even 8-digits composite number following 18389747 and preceding 18389749. In scientific notation, it is written as 1.8389748 × 10^7. The sum of its digits is 48. It has a total of 5 prime factors and 24 positive divisors. There are 5658336 positive integers (up to 18389748) that are relatively prime to 18389748.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.8389748 × 10^7
Engineering notation 1.8389748 × 10^6

Prime Factorization of 18389748

Prime Factorization 2 × 2 × 13 × 3 × 117883

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 9194874
Product of the distinct prime numbers

The prime factorization of 18389748 is 2 × 2 × 13 × 3 × 117883. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18389748)

Multiplication

n×y
n×2 36779496
n×3 55169244
n×4 73558992
n×5 91948740

Division

n÷y
n÷2 9194874
n÷3 6129916
n÷3 4597437
n÷5 3677949.6

Exponentiation

ny
n2 338182831503504
n3 6.2190970492759E+21
n4 1.1436762752373E+29
n5 2.1031918495192E+36

Nth Root

y√n
2√n 4288.3269464909
3√n 263.95218371826
4√n 65.485318556841
5√n 28.373646626379

Divisors of 18389748

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18389747
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18389748 can be divided by 24 positive divisors. The sum of these divisors (counting 18389748) is 1, the average is 0.041666666666667.

Base conversion 18389748

Base System Value
2 Binary 1000110001001101011110100
3 Ternary 1021121021222210
4 Quaternary 1012021223310
5 Quinary 14201432443
6 Senary 1454053420
8 Octal 106115364
10 Decimal 18389748
12 Duodecimal 61aa270
16 Hexadecimal 1189af4
20 Vigesimal 5eie78
36 Base36 ay5mc

Cryptographic Hash Functions

md5 fae8d06fcff877bc613fede08b465aae
sha1 103e6b9caf0d9fe293c5787f867b5b9f5710aeca
sha256 ea4a68d5dea5cd5509699fae8e4e334ff5a4d87d1cde4956cc9ffadadf28961b
sha512 4752ebe34606d8da140d91f13f881d6066bc66042f11a94190653b2699f24d806f5d76b69b1dfcc72173c5f05837a8df817f8ecd8630bfd1bbe2acc7ffc66889
ripemd-160 740112ab38251d25fb55a49ba28aab0d25471a27

18389748 as geometric shapes

Circle

Radius = n
Diameter 36779496
Circumference 115546194.43634
Area 1.0624326990216E+15

Sphere

Radius = n
Volume 2.6050492802623E+22
Surface area 4.2497307960864E+15
Circumference 115546194.43634

Square

Length = n
Perimeter 73558992
Area 338182831503504
Diagonal 26007031.030223

Cube

Length = n
Surface area 2029096989021024
Volume 6.2190970492759E+21
Space diagonal 31851977.874388

Equilateral Triangle

Length = n
Perimeter 55169244
Area 1.4643746160289E+14
Altitude 15925988.937194

Triangular Pyramid

Length = n
Surface area 1.4643746160289E+14
Volume 7.3292761606671E+20
Height 8669010.3434078