18531940 (number)

18531940 is an even 8-digits composite number following 18531939 and preceding 18531941. In scientific notation, it is written as 1.8531940 × 10^7. The sum of its digits is 31. It has a total of 4 prime factors and 12 positive divisors. There are 6353760 positive integers (up to 18531940) that are relatively prime to 18531940.

Interesting facts

Basic properties

Name

Name eighteen million five hundred thirty-one thousand nine hundred forty

Notation

Scientific notation 1.8531940 × 10^7
Engineering notation 1.8531940 × 10^6

Prime Factorization of 18531940

Prime Factorization 2 × 2 × 35 × 132371

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 9265970
Product of the distinct prime numbers

The prime factorization of 18531940 is 2 × 2 × 35 × 132371. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 9, 67, 32, 136, 26, 6176, 1491, 85670, 12520, 855212, 485407, 5589486, 4804327, 18399140, 81410655, 73252060, 543821307, 1635222726, 3274774763

Basic calculations (n = 18531940)

Multiplication

n×y
n×2 37063880
n×3 55595820
n×4 74127760
n×5 92659700

Division

n÷y
n÷2 9265970
n÷3 6177313.3333333
n÷3 4632985
n÷5 3706388

Exponentiation

ny
n2 343432800163600
n3 6.3644760466638E+21
n4 1.1794608822821E+29
n5 2.1857698302799E+36

Nth Root

y√n
2√n 4304.8739818954
3√n 264.63074238117
4√n 65.611538481394
5√n 28.417389313921

Divisors of 18531940

1, 2, 4, 35, 70, 140, 132371, 264742, 529484, 4632985, 9265970, 18531940

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 -18531939
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 18531940 can be divided by 12 positive divisors. The sum of these divisors (counting 18531940) is 1, the average is 0.083333333333333.

Base conversion 18531940

Base System Value
2 Binary 1000110101100011001100100
3 Ternary 1021212112001011
4 Quaternary 1012230121210
5 Quinary 14221010230
6 Senary 1501112004
8 Octal 106543144
10 Decimal 18531940
12 Duodecimal 6258604
16 Hexadecimal 11ac664
20 Vigesimal 5fg9h0
36 Base36 b17c4

Cryptographic Hash Functions

md5 90d61789162d2e1ee5a5cd9ef498f7f2
sha1 3252faaba09dc76995cdf02eb405ade9d9144df0
sha256 d0a28cdfead8b0714c870f8e9b700cae07c0fc787fc592887dc7e41848ae08e2
sha512 89e002454a310976b120336ea08a18a8f302b2eeb990bb1cd58d28002269f1936fcfce0a46cbc8477ebdedf0d963149468f6fab30eb385a9e249da908f02e2e4
ripemd-160 747b73ab6cdf5bad80243b55d7f38810b7eb992d

18531940 as geometric shapes

Circle

Radius = n
Diameter 37063880
Circumference 116439613.12153
Area 1.0789259619957E+15

Sphere

Radius = n
Volume 2.6659454922863E+22
Surface area 4.3157038479829E+15
Circumference 116439613.12153

Square

Length = n
Perimeter 74127760
Area 343432800163600
Diagonal 26208120.885084

Cube

Length = n
Surface area 2060596800981600
Volume 6.3644760466638E+21
Space diagonal 32098261.642818

Equilateral Triangle

Length = n
Perimeter 55595820
Area 1.4871076471725E+14
Altitude 16049130.821409

Triangular Pyramid

Length = n
Surface area 1.4871076471725E+14
Volume 7.5006069521589E+20
Height 8736040.2950282