18249940 (number)

18249940 is an even 8-digits composite number following 18249939 and preceding 18249941. In scientific notation, it is written as 1.8249940 × 10^7. The sum of its digits is 37. It has a total of 4 prime factors and 12 positive divisors. There are 7299968 positive integers (up to 18249940) that are relatively prime to 18249940.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.8249940 × 10^7
Engineering notation 1.8249940 × 10^6

Prime Factorization of 18249940

Prime Factorization 2 × 2 × 5 × 912497

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 9124970
Product of the distinct prime numbers

The prime factorization of 18249940 is 2 × 2 × 5 × 912497. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 7, 11, 93, 151, 762, 2806, 4747, 95261, 70628, 240434, 214022, 903487, 9284336, 70408479, 56955982, 498479285, 695513408, 9774483455, 584723338

Basic calculations (n = 18249940)

Multiplication

n×y
n×2 36499880
n×3 54749820
n×4 72999760
n×5 91249700

Division

n÷y
n÷2 9124970
n÷3 6083313.3333333
n÷3 4562485
n÷5 3649988

Exponentiation

ny
n2 333060310003600
n3 6.0783306739471E+21
n4 1.1092917009969E+29
n5 2.0244506985692E+36

Nth Root

y√n
2√n 4271.9948501842
3√n 263.28158288018
4√n 65.36049915801
5√n 28.330372718187

Divisors of 18249940

1, 2, 4, 5, 10, 20, 912497, 1824994, 3649988, 4562485, 9124970, 18249940

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18249939
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18249940 can be divided by 12 positive divisors. The sum of these divisors (counting 18249940) is 1, the average is 0.083333333333333.

Base conversion 18249940

Base System Value
2 Binary 1000101100111100011010100
3 Ternary 1021100012012201
4 Quaternary 1011213203110
5 Quinary 14132444230
6 Senary 1451054244
8 Octal 105474324
10 Decimal 18249940
12 Duodecimal 6141384
16 Hexadecimal 11678d4
20 Vigesimal 5e14h0
36 Base36 av5qs

Cryptographic Hash Functions

md5 649c908e5d3ce90b2748951d0a64fd98
sha1 13f15c96a82b6d3d5eade5beb1196d09e3968dfa
sha256 0944122fc83731cc185e1d0f9ae1d8c3a2a2def67703f806d7fdbd256ca29212
sha512 961acfe479cc4e22da4e77fbfb5d20229d71b2e425c4e95b298e1168d71e694149587dc26ede643afa05db2f1e3c1b1a0918bfe2e4a7f9dd4e15312c531a7c7b
ripemd-160 cb949d94139d960f672e53275ba7612f47f5aee3

18249940 as geometric shapes

Circle

Radius = n
Diameter 36499880
Circumference 114667754.86491
Area 1.0463398231096E+15

Sphere

Radius = n
Volume 2.5460851988482E+22
Surface area 4.1853592924386E+15
Circumference 114667754.86491

Square

Length = n
Perimeter 72999760
Area 333060310003600
Diagonal 25809312.660495

Cube

Length = n
Surface area 1998361860021600
Volume 6.0783306739471E+21
Space diagonal 31609823.315084

Equilateral Triangle

Length = n
Perimeter 54749820
Area 1.4421934472772E+14
Altitude 15804911.657542

Triangular Pyramid

Length = n
Surface area 1.4421934472772E+14
Volume 7.1633813964037E+20
Height 8603104.2201651