18996978 (number)

18996978 is an even 8-digits composite number following 18996977 and preceding 18996979. In scientific notation, it is written as 1.8996978 × 10^7. The sum of its digits is 57. It has a total of 5 prime factors and 32 positive divisors. There are 4553280 positive integers (up to 18996978) that are relatively prime to 18996978.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.8996978 × 10^7
Engineering notation 1.8996978 × 10^6

Prime Factorization of 18996978

Prime Factorization 2 × 33 × 7 × 13 × 3163

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 18996978
Product of the distinct prime numbers

The prime factorization of 18996978 is 2 × 33 × 7 × 13 × 3163. Since it has a total of 5 prime factors.

Most popular turbo-numbers

7, 9, 75, 61, 26, 501, 1551, 3310, 59871, 49755, 160418, 112064, 8631468, 6018389, 31954422, 42334157, 284733607, 681561571, 7916571365, 9261430272

Basic calculations (n = 18996978)

Multiplication

n×y
n×2 37993956
n×3 56990934
n×4 75987912
n×5 94984890

Division

n÷y
n÷2 9498489
n÷3 6332326
n÷3 4749244.5
n÷5 3799395.6

Exponentiation

ny
n2 360885173132484
n3 6.855727694524E+21
n4 1.3023810818686E+29
n5 2.4741304759875E+36

Nth Root

y√n
2√n 4358.5522825819
3√n 266.82601691193
4√n 66.019332642658
5√n 28.558599363364

Divisors of 18996978

1, 2, 7, 13, 14, 26, 33, 66, 91, 182, 231, 429, 462, 858, 3003, 3163, 6006, 6326, 22141, 41119, 44282, 82238, 104379, 208758, 287833, 575666, 730653, 1356927, 1461306, 2713854, 9498489, 18996978

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18996977
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18996978 can be divided by 32 positive divisors. The sum of these divisors (counting 18996978) is 1, the average is 0.03125.

Base conversion 18996978

Base System Value
2 Binary 1001000011101111011110010
3 Ternary 1022202010221210
4 Quaternary 1020131323302
5 Quinary 14330400403
6 Senary 1515100550
8 Octal 110357362
10 Decimal 18996978
12 Duodecimal 6441756
16 Hexadecimal 121def2
20 Vigesimal 5iec8i
36 Base36 bb65u

Cryptographic Hash Functions

md5 afbdf5ab3527b5f9ca68fa743d6b359a
sha1 6b1a16a07a56a4a29e47fbd4d36a7f15c03e2d3f
sha256 3d107ea01fec5bada1b7923ec3ef31bf0a89ba95ef049025c438ace88f7d97d8
sha512 fd99eb3b1e4acbc93f5dbb1e5f5ad350a0507c720052ce9f118fba4d30c775293fa444bd459e3ed3fda177ea854c82f3d4a6eea8111c5293ae0fe0fe15e85b31
ripemd-160 9b4db1cf98ad078b2f6d682be1ecc88062466f06

18996978 as geometric shapes

Circle

Radius = n
Diameter 37993956
Circumference 119361533.05041
Area 1.1337542087025E+15

Sphere

Radius = n
Volume 2.8717205013505E+22
Surface area 4.53501683481E+15
Circumference 119361533.05041

Square

Length = n
Perimeter 75987912
Area 360885173132484
Diagonal 26865783.931703

Cube

Length = n
Surface area 2165311038794904
Volume 6.855727694524E+21
Space diagonal 32903731.086268

Equilateral Triangle

Length = n
Perimeter 56990934
Area 1.5626786389094E+14
Altitude 16451865.543134

Triangular Pyramid

Length = n
Surface area 1.5626786389094E+14
Volume 8.0795525712772E+20
Height 8955261.3105678