18821648 (number)

18821648 is an even 8-digits composite number following 18821647 and preceding 18821649. In scientific notation, it is written as 1.8821648 × 10^7. The sum of its digits is 38. It has a total of 5 prime factors and 10 positive divisors. There are 9410816 positive integers (up to 18821648) that are relatively prime to 18821648.

Interesting facts

Basic properties

Name

Name eighteen million eight hundred twenty-one thousand six hundred forty-eight

Notation

Scientific notation 1.8821648 × 10^7
Engineering notation 1.8821648 × 10^6

Prime Factorization of 18821648

Prime Factorization 2 × 2 × 2 × 2 × 1176353

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 2352706
Product of the distinct prime numbers

The prime factorization of 18821648 is 2 × 2 × 2 × 2 × 1176353. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18821648)

Multiplication

n×y
n×2 37643296
n×3 56464944
n×4 75286592
n×5 94108240

Division

n÷y
n÷2 9410824
n÷3 6273882.6666667
n÷3 4705412
n÷5 3764329.6

Exponentiation

ny
n2 354254433435904
n3 6.66765224857E+21
n4 1.2549620360899E+29
n5 2.3620453696648E+36

Nth Root

y√n
2√n 4338.3923289624
3√n 266.00260046076
4√n 65.866473482056
5√n 28.505688132054

Divisors of 18821648

10 divisors

τ Total Divisors 10
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18821647
Sum of the proper positive divisors of n
A Arithmetic Mean 0.1
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 10
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18821648 can be divided by 10 positive divisors. The sum of these divisors (counting 18821648) is 1, the average is 0.1.

Base conversion 18821648

Base System Value
2 Binary 1000111110011001000010000
3 Ternary 1022102020110002
4 Quaternary 1013303020100
5 Quinary 14304243043
6 Senary 1511225132
8 Octal 107631020
10 Decimal 18821648
12 Duodecimal 63781a8
16 Hexadecimal 11f3210
20 Vigesimal 5hce28
36 Base36 b7evk

Cryptographic Hash Functions

md5 3a49c35302c837b82bef1ce642870917
sha1 fb365f0e49791478e6d3763b9d325d735c7673c7
sha256 b0940fe747dd88e38ff4588d67537e674bd0c0dc1eb685202d11683487c839e0
sha512 9d68dc2cd7a5361c9b4d192bcf65262f154f7a77c21e06151ec909e5148e92138d429f86c6cd939f72aa1bae4475e0df0034f2ce8b40cc8e293b3e7e518ff551
ripemd-160 4aeb4ed864100abd830ac25cffb46c169ebc9946

18821648 as geometric shapes

Circle

Radius = n
Diameter 37643296
Circumference 118259902.17051
Area 1.1129231255839E+15

Sphere

Radius = n
Volume 2.7929396427732E+22
Surface area 4.4516925023354E+15
Circumference 118259902.17051

Square

Length = n
Perimeter 75286592
Area 354254433435904
Diagonal 26617829.867812

Cube

Length = n
Surface area 2125526600615424
Volume 6.66765224857E+21
Space diagonal 32600050.618177

Equilateral Triangle

Length = n
Perimeter 56464944
Area 1.5339666937938E+14
Altitude 16300025.309089

Triangular Pyramid

Length = n
Surface area 1.5339666937938E+14
Volume 7.857903532596E+20
Height 8872609.9559375