18943977 (number)

18943977 is an odd 8-digits composite number following 18943976 and preceding 18943978. In scientific notation, it is written as 1.8943977 × 10^7. The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors. There are 11465280 positive integers (up to 18943977) that are relatively prime to 18943977.

Interesting facts

Basic properties

Name

Name eighteen million nine hundred forty-three thousand nine hundred seventy-seven

Notation

Scientific notation 1.8943977 × 10^7
Engineering notation 1.8943977 × 10^6

Prime Factorization of 18943977

Prime Factorization 3 × 13 × 61 × 7963

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 18943977
Product of the distinct prime numbers

The prime factorization of 18943977 is 3 × 13 × 61 × 7963. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 10, 18, 35, 353, 989, 7293, 6218, 69455, 10517, 426389, 489431, 6237809, 3137204, 89938604, 36714224, 632720374, 365281775, 1484343428, 5585602592

Basic calculations (n = 18943977)

Multiplication

n×y
n×2 37887954
n×3 56831931
n×4 75775908
n×5 94719885

Division

n÷y
n÷2 9471988.5
n÷3 6314659
n÷3 4735994.25
n÷5 3788795.4

Exponentiation

ny
n2 358874264576529
n3 6.7985058140297E+21
n4 1.2879073777534E+29
n5 2.4398087742292E+36

Nth Root

y√n
2√n 4352.467920617
3√n 266.5776402472
4√n 65.973236396413
5√n 28.542646022198

Divisors of 18943977

1, 3, 13, 39, 61, 183, 793, 2379, 7963, 23889, 103519, 310557, 485743, 1457229, 6314659, 18943977

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18943976
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18943977 can be divided by 16 positive divisors. The sum of these divisors (counting 18943977) is 1, the average is 0.0625.

Base conversion 18943977

Base System Value
2 Binary 1001000010000111111101001
3 Ternary 1022122110020210
4 Quaternary 1020100333221
5 Quinary 14322201402
6 Senary 1514011333
8 Octal 110207751
10 Decimal 18943977
12 Duodecimal 6416b49
16 Hexadecimal 1210fe9
20 Vigesimal 5i7jih
36 Base36 ba19l

Cryptographic Hash Functions

md5 2e8428e085cf3e019d99fa40673563dc
sha1 3d2cc4a1f7f652d122df52af3ea8298a334a14c0
sha256 819096d086d8b87fccee1208a57e24eedc166a59d122fd44209790d352cb6239
sha512 4d2a86f91d4735582831855c554d840470872d1069253c033f11cf305411fbc5bfc8bbf73d86c12bd4fcc5e88b8d7ecf36fe9793158ca7fa849706801e37b03c
ripemd-160 2e24edd778bebc3a5be71fb0b1d5216088e8f38d

18943977 as geometric shapes

Circle

Radius = n
Diameter 37887954
Circumference 119028517.94595
Area 1.1274367531561E+15

Sphere

Radius = n
Volume 2.8477514560991E+22
Surface area 4.5097470126243E+15
Circumference 119028517.94595

Square

Length = n
Perimeter 75775908
Area 358874264576529
Diagonal 26790829.198684

Cube

Length = n
Surface area 2153245587459174
Volume 6.7985058140297E+21
Space diagonal 32811930.661416

Equilateral Triangle

Length = n
Perimeter 56831931
Area 1.5539711494387E+14
Altitude 16405965.330708

Triangular Pyramid

Length = n
Surface area 1.5539711494387E+14
Volume 8.0121159383943E+20
Height 8930276.3995613