18969920 (number)

18969920 is an even 8-digits composite number following 18969919 and preceding 18969921. In scientific notation, it is written as 1.8969920 × 10^7. The sum of its digits is 44. It has a total of 8 prime factors and 28 positive divisors. There are 7587840 positive integers (up to 18969920) that are relatively prime to 18969920.

Interesting facts

Basic properties

Name

Name eighteen million nine hundred sixty-nine thousand nine hundred twenty

Notation

Scientific notation 1.8969920 × 10^7
Engineering notation 1.8969920 × 10^6

Prime Factorization of 18969920

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 5 × 59281

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 592810
Product of the distinct prime numbers

The prime factorization of 18969920 is 2 × 2 × 2 × 2 × 2 × 2 × 5 × 59281. Since it has a total of 8 prime factors.

Most popular turbo-numbers

8, 7, 50, 31, 195, 212, 6052, 4165, 30201, 77255, 159776, 291316, 3588180, 5361958, 6704830, 83885858, 663807431, 457251059, 4214809975, 979389161

Basic calculations (n = 18969920)

Multiplication

n×y
n×2 37939840
n×3 56909760
n×4 75879680
n×5 94849600

Division

n÷y
n÷2 9484960
n÷3 6323306.6666667
n÷3 4742480
n÷5 3793984

Exponentiation

ny
n2 359857864806400
n3 6.8264749067482E+21
n4 1.2949768286302E+29
n5 2.4565606840969E+36

Nth Root

y√n
2√n 4355.4471641842
3√n 266.69927379052
4√n 65.995811716988
5√n 28.550459340118

Divisors of 18969920

1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 59281, 118562, 237124, 296405, 474248, 592810, 948496, 1185620, 1896992, 2371240, 3793984, 4742480, 9484960, 18969920

28 divisors

τ Total Divisors 28
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18969919
Sum of the proper positive divisors of n
A Arithmetic Mean 0.035714285714286
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 28
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18969920 can be divided by 28 positive divisors. The sum of these divisors (counting 18969920) is 1, the average is 0.035714285714286.

Base conversion 18969920

Base System Value
2 Binary 1001000010111010101000000
3 Ternary 1022200202211122
4 Quaternary 1020113111000
5 Quinary 14324014140
6 Senary 1514331412
8 Octal 110272500
10 Decimal 18969920
12 Duodecimal 6429b68
16 Hexadecimal 1217540
20 Vigesimal 5ib4g0
36 Base36 bala8

Cryptographic Hash Functions

md5 8d00fa8702115888bc647c85504e2412
sha1 0784119fae17e3c49e45a94a6a3dc78254d8265f
sha256 6ccd3f4c811ae2efc7ac05d08e19757b22e79a63b29630a4a39311411d18a3a6
sha512 12a6ccfccc7e28fecb94d596e511d9bbc158d83cbcdca08e265ba97202b4756f1774d69fc0ec1a5044831f4c2cf81dc9b677be56fa1fe35a04768f3489d997ba
ripemd-160 0e9ad4fa9c016a003a8fcbcc8ec0055820a7f010

18969920 as geometric shapes

Circle

Radius = n
Diameter 37939840
Circumference 119191522.62237
Area 1.1305268244123E+15

Sphere

Radius = n
Volume 2.8594671222607E+22
Surface area 4.5221072976492E+15
Circumference 119191522.62237

Square

Length = n
Perimeter 75879680
Area 359857864806400
Diagonal 26827518.141133

Cube

Length = n
Surface area 2159147188838400
Volume 6.8264749067482E+21
Space diagonal 32856865.255517

Equilateral Triangle

Length = n
Perimeter 56909760
Area 1.5582302633698E+14
Altitude 16428432.627758

Triangular Pyramid

Length = n
Surface area 1.5582302633698E+14
Volume 8.0450778302691E+20
Height 8942506.0470442