18978046 (number)

18978046 is an even 8-digits composite number following 18978045 and preceding 18978047. In scientific notation, it is written as 1.8978046 × 10^7. The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors. There are 9463608 positive integers (up to 18978046) that are relatively prime to 18978046.

Interesting facts

Basic properties

Name

Name eighteen million nine hundred seventy-eight thousand forty-six

Notation

Scientific notation 1.8978046 × 10^7
Engineering notation 1.8978046 × 10^6

Prime Factorization of 18978046

Prime Factorization 2 × 379 × 25037

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18978046
Product of the distinct prime numbers

The prime factorization of 18978046 is 2 × 379 × 25037. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18978046)

Multiplication

n×y
n×2 37956092
n×3 56934138
n×4 75912184
n×5 94890230

Division

n÷y
n÷2 9489023
n÷3 6326015.3333333
n÷3 4744511.5
n÷5 3795609.2

Exponentiation

ny
n2 360166229978116
n3 6.8352512801713E+21
n4 1.2971971321665E+29
n5 2.4618266845324E+36

Nth Root

y√n
2√n 4356.3799191531
3√n 266.7373496658
4√n 66.002878112648
5√n 28.552904909637

Divisors of 18978046

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 -18978045
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 18978046 can be divided by 8 positive divisors. The sum of these divisors (counting 18978046) is 1, the average is 0.125.

Base conversion 18978046

Base System Value
2 Binary 1001000011001010011111110
3 Ternary 1022201011222121
4 Quaternary 1020121103332
5 Quinary 14324244141
6 Senary 1514433154
8 Octal 110312376
10 Decimal 18978046
12 Duodecimal 64327ba
16 Hexadecimal 12194fe
20 Vigesimal 5ic526
36 Base36 barjy

Cryptographic Hash Functions

md5 f81e3ed900c7940eb7cbc03dd31ad772
sha1 d1c7537e38a3dc1166f54e60f6a73c812b3d527f
sha256 b341e06f367369b0c43a7d3de6fb08ee93c307fdbd49450b3463c79c4369d500
sha512 b1592ba02a4889f0bcc1bac9b2f8174ac0f7a1dec79c3afe23cfa7bd4b40d3fb732395d8374b0e9b9a48a52f8b9c060bab46b5c435b490e35d7aafc062a2016f
ripemd-160 45e2ace985ebf7492dba58d0da1a2f418ad027b2

18978046 as geometric shapes

Circle

Radius = n
Diameter 37956092
Circumference 119242579.78618
Area 1.1314955821704E+15

Sphere

Radius = n
Volume 2.8631433609635E+22
Surface area 4.5259823286815E+15
Circumference 119242579.78618

Square

Length = n
Perimeter 75912184
Area 360166229978116
Diagonal 26839010.04054

Cube

Length = n
Surface area 2160997379868696
Volume 6.8352512801713E+21
Space diagonal 32870939.900379

Equilateral Triangle

Length = n
Perimeter 56934138
Area 1.5595655237316E+14
Altitude 16435469.95019

Triangular Pyramid

Length = n
Surface area 1.5595655237316E+14
Volume 8.0554208855386E+20
Height 8946336.6801802