20148981 (number)

20148981 is an odd 8-digits composite number following 20148980 and preceding 20148982. In scientific notation, it is written as 2.0148981 × 10^7. The sum of its digits is 33. It has a total of 2 prime factors and 4 positive divisors. There are 13432652 positive integers (up to 20148981) that are relatively prime to 20148981.

Interesting facts

Basic properties

Name

Name twenty million one hundred forty-eight thousand nine hundred eighty-one

Notation

Scientific notation 2.0148981 × 10^7
Engineering notation 2.0148981 × 10^6

Prime Factorization of 20148981

Prime Factorization 3 × 6716327

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20148981
Product of the distinct prime numbers

The prime factorization of 20148981 is 3 × 6716327. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20148981)

Multiplication

n×y
n×2 40297962
n×3 60446943
n×4 80595924
n×5 100744905

Division

n÷y
n÷2 10074490.5
n÷3 6716327
n÷3 5037245.25
n÷5 4029796.2

Exponentiation

ny
n2 405981435338361
n3 8.1801122269854E+21
n4 1.648209258394E+29
n5 3.3209737031404E+36

Nth Root

y√n
2√n 4488.7616332347
3√n 272.11408942985
4√n 66.998221119928
5√n 28.896857577728

Divisors of 20148981

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20148980
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20148981 can be divided by 4 positive divisors. The sum of these divisors (counting 20148981) is 1, the average is 0.25.

Base conversion 20148981

Base System Value
2 Binary 1001100110111001011110101
3 Ternary 1101220200012120
4 Quaternary 1030313023311
5 Quinary 20124231411
6 Senary 1555510153
8 Octal 114671365
10 Decimal 20148981
12 Duodecimal 68b8359
16 Hexadecimal 13372f5
20 Vigesimal 65ic91
36 Base36 bzv1x

Cryptographic Hash Functions

md5 ccb751424734ba68763e1e02e0ada2b2
sha1 ffe78072cefc36dd3aa2a5e28283574134082ec5
sha256 29fb9bab6af2f9076bc25a93c08f56ef40db3bd9c8445c1c8be5dae266e4a858
sha512 6ff69baacb07ba4bf96af816a2e6afdfd4f4d9ee00a69cf0e21d3e26eb14e60594ed05ef305da270b1e40aa1c47bf8fd9b8496070d1541315d129b2bb0c0767e
ripemd-160 9dbc9bf184c9d2d53a564888b9d65a8332658a28

20148981 as geometric shapes

Circle

Radius = n
Diameter 40297962
Circumference 126599781.37384
Area 1.2754282947528E+15

Sphere

Radius = n
Volume 3.426477397045E+22
Surface area 5.1017131790113E+15
Circumference 126599781.37384

Square

Length = n
Perimeter 80595924
Area 405981435338361
Diagonal 28494962.198198

Cube

Length = n
Surface area 2435888612030166
Volume 8.1801122269854E+21
Space diagonal 34899058.81274

Equilateral Triangle

Length = n
Perimeter 60446943
Area 1.7579511823395E+14
Altitude 17449529.40637

Triangular Pyramid

Length = n
Surface area 1.7579511823395E+14
Volume 9.6403547109472E+20
Height 9498320.7327326