20148991 (number)

20148991 is an odd 8-digits composite number following 20148990 and preceding 20148992. In scientific notation, it is written as 2.0148991 × 10^7. The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors. There are 20140000 positive integers (up to 20148991) that are relatively prime to 20148991.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0148991 × 10^7
Engineering notation 2.0148991 × 10^6

Prime Factorization of 20148991

Prime Factorization 4751 × 4241

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20148991
Product of the distinct prime numbers

The prime factorization of 20148991 is 4751 × 4241. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20148991)

Multiplication

n×y
n×2 40297982
n×3 60446973
n×4 80595964
n×5 100744955

Division

n÷y
n÷2 10074495.5
n÷3 6716330.3333333
n÷3 5037247.75
n÷5 4029798.2

Exponentiation

ny
n2 405981838318081
n3 8.1801244064345E+21
n4 1.6482125304413E+29
n5 3.3209819441949E+36

Nth Root

y√n
2√n 4488.7627471275
3√n 272.11413444686
4√n 66.998229432781
5√n 28.896860446047

Divisors of 20148991

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 -20148990
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 20148991 can be divided by 4 positive divisors. The sum of these divisors (counting 20148991) is 1, the average is 0.25.

Base conversion 20148991

Base System Value
2 Binary 1001100110111001011111111
3 Ternary 1101220200012221
4 Quaternary 1030313023333
5 Quinary 20124231431
6 Senary 1555510211
8 Octal 114671377
10 Decimal 20148991
12 Duodecimal 68b8367
16 Hexadecimal 13372ff
20 Vigesimal 65ic9b
36 Base36 bzv27

Cryptographic Hash Functions

md5 9ab4a80ac8cd889e6f8676ab6afd5af4
sha1 f28e7f56abbc9b47a71a2da2afc39689b22d84bd
sha256 86d4f7d1ebd57881dfc3d290d44098b1c797ae48a35d94a97f5520bc55f734aa
sha512 992ae86e0018519d3308f3d989f429d93a8e8118888d8e784f9351f22f3dca969cc283cd5c714cc5f7269a01d4c3537d531653d76ab6916edfd99e4d2c58fa0a
ripemd-160 d4344fd54c8e7ec63256c354e521e8afba57710d

20148991 as geometric shapes

Circle

Radius = n
Diameter 40297982
Circumference 126599844.20569
Area 1.275429560751E+15

Sphere

Radius = n
Volume 3.4264824987607E+22
Surface area 5.1017182430038E+15
Circumference 126599844.20569

Square

Length = n
Perimeter 80595964
Area 405981838318081
Diagonal 28494976.340333

Cube

Length = n
Surface area 2435891029908486
Volume 8.1801244064345E+21
Space diagonal 34899076.133248

Equilateral Triangle

Length = n
Perimeter 60446973
Area 1.7579529272928E+14
Altitude 17449538.066624

Triangular Pyramid

Length = n
Surface area 1.7579529272928E+14
Volume 9.6403690645657E+20
Height 9498325.4467778