20149561 (number)

20149561 is an odd 8-digits composite number following 20149560 and preceding 20149562. In scientific notation, it is written as 2.0149561 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 20123172 positive integers (up to 20149561) that are relatively prime to 20149561.

Interesting facts

Basic properties

Name

Name twenty million one hundred forty-nine thousand five hundred sixty-one

Notation

Scientific notation 2.0149561 × 10^7
Engineering notation 2.0149561 × 10^6

Prime Factorization of 20149561

Prime Factorization 787 × 25603

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20149561
Product of the distinct prime numbers

The prime factorization of 20149561 is 787 × 25603. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20149561)

Multiplication

n×y
n×2 40299122
n×3 60448683
n×4 80598244
n×5 100747805

Division

n÷y
n÷2 10074780.5
n÷3 6716520.3333333
n÷3 5037390.25
n÷5 4029912.2

Exponentiation

ny
n2 406004808492721
n3 8.1808186550174E+21
n4 1.6483990451921E+29
n5 3.321451711344E+36

Nth Root

y√n
2√n 4488.8262385617
3√n 272.11670039162
4√n 66.9987032603
5√n 28.897023938344

Divisors of 20149561

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 -20149560
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 20149561 can be divided by 4 positive divisors. The sum of these divisors (counting 20149561) is 1, the average is 0.25.

Base conversion 20149561

Base System Value
2 Binary 1001100110111010100111001
3 Ternary 1101220201000001
4 Quaternary 1030313110321
5 Quinary 20124241221
6 Senary 1555513001
8 Octal 114672471
10 Decimal 20149561
12 Duodecimal 68b8761
16 Hexadecimal 1337539
20 Vigesimal 65idi1
36 Base36 bzvi1

Cryptographic Hash Functions

md5 aac6f3d713fbbbe0c69ce35c974dd8fc
sha1 ed452c35dc38e06f7a69a4bbc44172f70900dc60
sha256 b803f3b2e55e9c6080f3ce95e07e94dfc0ddf49008c3e2a3ac0ae2b656ffafc9
sha512 54a2449f8cd0790a86032839f673be151950ee363894c84ac44104dee11db83fa7adf12d7e055ed307739a3ee2541436b1b473399cee92e57dcf7ef9e88f9a9c
ripemd-160 b2320a4c25974954beb60d55d5f1f35d2b3bdbbb

20149561 as geometric shapes

Circle

Radius = n
Diameter 40299122
Circumference 126603425.62132
Area 1.2755017236829E+15

Sphere

Radius = n
Volume 3.4267733049271E+22
Surface area 5.1020068947315E+15
Circumference 126603425.62132

Square

Length = n
Perimeter 80598244
Area 406004808492721
Diagonal 28495782.442064

Cube

Length = n
Surface area 2436028850956326
Volume 8.1808186550174E+21
Space diagonal 34900063.402208

Equilateral Triangle

Length = n
Perimeter 60448683
Area 1.7580523910667E+14
Altitude 17450031.701104

Triangular Pyramid

Length = n
Surface area 1.7580523910667E+14
Volume 9.641187244367E+20
Height 9498594.1473547