18978082 (number)

18978082 is an even 8-digits composite number following 18978081 and preceding 18978083. In scientific notation, it is written as 1.8978082 × 10^7. The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors. There are 9076452 positive integers (up to 18978082) that are relatively prime to 18978082.

Interesting facts

Basic properties

Name

Name eighteen million nine hundred seventy-eight thousand eighty-two

Notation

Scientific notation 1.8978082 × 10^7
Engineering notation 1.8978082 × 10^6

Prime Factorization of 18978082

Prime Factorization 2 × 23 × 412567

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18978082
Product of the distinct prime numbers

The prime factorization of 18978082 is 2 × 23 × 412567. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18978082)

Multiplication

n×y
n×2 37956164
n×3 56934246
n×4 75912328
n×5 94890410

Division

n÷y
n÷2 9489041
n÷3 6326027.3333333
n÷3 4744520.5
n÷5 3795616.4

Exponentiation

ny
n2 360167596398724
n3 6.8352901781979E+21
n4 1.2972069749563E+29
n5 2.4618500341693E+36

Nth Root

y√n
2√n 4356.3840510221
3√n 266.73751832627
4√n 66.002909413314
5√n 28.552915742193

Divisors of 18978082

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18978081
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18978082 can be divided by 8 positive divisors. The sum of these divisors (counting 18978082) is 1, the average is 0.125.

Base conversion 18978082

Base System Value
2 Binary 1001000011001010100100010
3 Ternary 1022201012000221
4 Quaternary 1020121110202
5 Quinary 14324244312
6 Senary 1514433254
8 Octal 110312442
10 Decimal 18978082
12 Duodecimal 643282a
16 Hexadecimal 1219522
20 Vigesimal 5ic542
36 Base36 barky

Cryptographic Hash Functions

md5 3820df04210cdaae5416129934831055
sha1 ded8e1461cc3475817cb97763b3cbea23d3d244f
sha256 6f53b99469386c08c88cd70ea6fd7dd658b6386d1f1d3084ca97b493ee026329
sha512 345a25e487535e6c338df804005b00c6d9896113d16a115d517ec8d7cad30599722c5c5ada5998de9c45ed018c6f0fb6a801753ce9509680b766f1e37a93041f
ripemd-160 64d752e829400571ae4cf2b3c0fd0f1fabc7990b

18978082 as geometric shapes

Circle

Radius = n
Diameter 37956164
Circumference 119242805.98085
Area 1.1314998749073E+15

Sphere

Radius = n
Volume 2.8631596545308E+22
Surface area 4.5259994996293E+15
Circumference 119242805.98085

Square

Length = n
Perimeter 75912328
Area 360167596398724
Diagonal 26839060.952229

Cube

Length = n
Surface area 2161005578392344
Volume 6.8352901781979E+21
Space diagonal 32871002.254208

Equilateral Triangle

Length = n
Perimeter 56934246
Area 1.5595714405064E+14
Altitude 16435501.127104

Triangular Pyramid

Length = n
Surface area 1.5595714405064E+14
Volume 8.0554667273026E+20
Height 8946353.6507429