20155449 (number)

20155449 is an odd 8-digits composite number following 20155448 and preceding 20155450. In scientific notation, it is written as 2.0155449 × 10^7. The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors. There are 13436964 positive integers (up to 20155449) that are relatively prime to 20155449.

Interesting facts

Basic properties

Name

Name twenty million one hundred fifty-five thousand four hundred forty-nine

Notation

Scientific notation 2.0155449 × 10^7
Engineering notation 2.0155449 × 10^6

Prime Factorization of 20155449

Prime Factorization 3 × 6718483

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20155449
Product of the distinct prime numbers

The prime factorization of 20155449 is 3 × 6718483. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20155449)

Multiplication

n×y
n×2 40310898
n×3 60466347
n×4 80621796
n×5 100777245

Division

n÷y
n÷2 10077724.5
n÷3 6718483
n÷3 5038862.25
n÷5 4031089.8

Exponentiation

ny
n2 406242124391601
n3 8.1879924198266E+21
n4 1.650326636302E+29
n5 3.3263074351327E+36

Nth Root

y√n
2√n 4489.4820413941
3√n 272.14320331962
4√n 67.003597227269
5√n 28.898712568611

Divisors of 20155449

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 -20155448
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 20155449 can be divided by 4 positive divisors. The sum of these divisors (counting 20155449) is 1, the average is 0.25.

Base conversion 20155449

Base System Value
2 Binary 1001100111000110000111001
3 Ternary 1101221000002010
4 Quaternary 1030320300321
5 Quinary 20124433244
6 Senary 2000000133
8 Octal 114706071
10 Decimal 20155449
12 Duodecimal 6900049
16 Hexadecimal 1338c39
20 Vigesimal 65j8c9
36 Base36 c001l

Cryptographic Hash Functions

md5 31a00ee777821545b330abb1ebf5c007
sha1 8e65945d130cf89b34eb9b0c02793c2907cea7bf
sha256 837a0734c164c9659fdd6869cb6b184a267418e1894ed176f9a2d17817f1490e
sha512 d69724ef889224ad99e892f32cd553cccca9a9c08b953ef4fc6ab64a04c255a5d0e28804432230255713d86bdfcaf9f2b2f039cd8c11d8d5ac7b79b5c89c4ce6
ripemd-160 0dc6d7b4f4f7b8f9e5974b179ccb91dec46083c7

20155449 as geometric shapes

Circle

Radius = n
Diameter 40310898
Circumference 126640421.01641
Area 1.2762472735674E+15

Sphere

Radius = n
Volume 3.4297782445035E+22
Surface area 5.1049890942695E+15
Circumference 126640421.01641

Square

Length = n
Perimeter 80621796
Area 406242124391601
Diagonal 28504109.331519

Cube

Length = n
Surface area 2437452746349606
Volume 8.1879924198266E+21
Space diagonal 34910261.717363

Equilateral Triangle

Length = n
Perimeter 60466347
Area 1.7590799990524E+14
Altitude 17455130.858682

Triangular Pyramid

Length = n
Surface area 1.7590799990524E+14
Volume 9.6496416072724E+20
Height 9501369.7771731