18997613 (number)

18997613 is an odd 8-digits composite number following 18997612 and preceding 18997614. In scientific notation, it is written as 1.8997613 × 10^7. The sum of its digits is 44. It has a total of 3 prime factors and 6 positive divisors. There are 18482832 positive integers (up to 18997613) that are relatively prime to 18997613.

Interesting facts

Basic properties

Name

Name eighteen million nine hundred ninety-seven thousand six hundred thirteen

Notation

Scientific notation 1.8997613 × 10^7
Engineering notation 1.8997613 × 10^6

Prime Factorization of 18997613

Prime Factorization 37 × 37 × 13877

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 513449
Product of the distinct prime numbers

The prime factorization of 18997613 is 37 × 37 × 13877. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18997613)

Multiplication

n×y
n×2 37995226
n×3 56992839
n×4 75990452
n×5 94988065

Division

n÷y
n÷2 9498806.5
n÷3 6332537.6666667
n÷3 4749403.25
n÷5 3799522.6

Exponentiation

ny
n2 360909299697769
n3 6.8564152037592E+21
n4 1.3025552260833E+29
n5 2.4745440096259E+36

Nth Root

y√n
2√n 4358.625127262
3√n 266.82898988712
4√n 66.019884332389
5√n 28.558790282869

Divisors of 18997613

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18997612
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18997613 can be divided by 6 positive divisors. The sum of these divisors (counting 18997613) is 1, the average is 0.16666666666667.

Base conversion 18997613

Base System Value
2 Binary 1001000011110000101101101
3 Ternary 1022202011211022
4 Quaternary 1020132011231
5 Quinary 14330410423
6 Senary 1515103525
8 Octal 110360555
10 Decimal 18997613
12 Duodecimal 6441ba5
16 Hexadecimal 121e16d
20 Vigesimal 5iee0d
36 Base36 bb6nh

Cryptographic Hash Functions

md5 0bf8071a012820db677aa2060d00074d
sha1 fa772c2fdfba487974b3269b439d20a300ae753d
sha256 3b0b1dbef5a00800a3317493e00242f16ed19c041315a5f980cf44a63d733ec9
sha512 38757f41ad4a38c5695f50c4845228260f1e244b85bb9847f04ae4f2291ff8f0fea74099615b28757c201daa2de0d07e7c18c0c795df62e4e980be90b287af75
ripemd-160 409aeb147cfc08866d2448e8556f88f21f1293dd

18997613 as geometric shapes

Circle

Radius = n
Diameter 37995226
Circumference 119365522.87308
Area 1.1338300045427E+15

Sphere

Radius = n
Volume 2.8720084845455E+22
Surface area 4.535320018171E+15
Circumference 119365522.87308

Square

Length = n
Perimeter 75990452
Area 360909299697769
Diagonal 26866681.957315

Cube

Length = n
Surface area 2165455798186614
Volume 6.8564152037592E+21
Space diagonal 32904830.938531

Equilateral Triangle

Length = n
Perimeter 56992839
Area 1.5627831100016E+14
Altitude 16452415.469266

Triangular Pyramid

Length = n
Surface area 1.5627831100016E+14
Volume 8.0803628086812E+20
Height 8955560.6524385