20190861 (number)

20190861 is an odd 8-digits composite number following 20190860 and preceding 20190862. In scientific notation, it is written as 2.0190861 × 10^7. The sum of its digits is 27. It has a total of 2 prime factors and 4 positive divisors. There are 13460568 positive integers (up to 20190861) that are relatively prime to 20190861.

Interesting facts

Basic properties

Name

Name twenty million one hundred ninety thousand eight hundred sixty-one

Notation

Scientific notation 2.0190861 × 10^7
Engineering notation 2.0190861 × 10^6

Prime Factorization of 20190861

Prime Factorization 9 × 2243429

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20190861
Product of the distinct prime numbers

The prime factorization of 20190861 is 9 × 2243429. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20190861)

Multiplication

n×y
n×2 40381722
n×3 60572583
n×4 80763444
n×5 100954305

Division

n÷y
n÷2 10095430.5
n÷3 6730287
n÷3 5047715.25
n÷5 4038172.2

Exponentiation

ny
n2 407670867921321
n3 8.2312258279488E+21
n4 1.6619553655172E+29
n5 3.3556309773363E+36

Nth Root

y√n
2√n 4493.4241954216
3√n 272.30249021434
4√n 67.033008252812
5√n 28.908860124949

Divisors of 20190861

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 -20190860
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 20190861 can be divided by 4 positive divisors. The sum of these divisors (counting 20190861) is 1, the average is 0.25.

Base conversion 20190861

Base System Value
2 Binary 1001101000001011010001101
3 Ternary 1101222210122200
4 Quaternary 1031001122031
5 Quinary 20132101421
6 Senary 2000432113
8 Octal 115013215
10 Decimal 20190861
12 Duodecimal 6918639
16 Hexadecimal 134168d
20 Vigesimal 663h31
36 Base36 c0rd9

Cryptographic Hash Functions

md5 399fd0aa49333485197dd046562b10fa
sha1 dfdfccc7a1f34e49a97d90421216414d5d7693b3
sha256 b603ae72d41e29a9623e09bc6510933902782d1449a44c1652b209efbbede2aa
sha512 491887c09029c75f3fb0697605865c76d01e2d7beb777cad98e85028a0c2bebf60e5d4588bad2dbd334a8397a46a7bf62a88414a7d41d705ef013aadaa63b323
ripemd-160 9969940a3635c3c99f36c9bf225e5a7d03d363fc

20190861 as geometric shapes

Circle

Radius = n
Diameter 40381722
Circumference 126862921.17451
Area 1.2807358037442E+15

Sphere

Radius = n
Volume 3.4478878121496E+22
Surface area 5.1229432149768E+15
Circumference 126862921.17451

Square

Length = n
Perimeter 80763444
Area 407670867921321
Diagonal 28554189.46219

Cube

Length = n
Surface area 2446025207527926
Volume 8.2312258279488E+21
Space diagonal 34971597.100561

Equilateral Triangle

Length = n
Perimeter 60572583
Area 1.7652666400136E+14
Altitude 17485798.55028

Triangular Pyramid

Length = n
Surface area 1.7652666400136E+14
Volume 9.7005926673674E+20
Height 9518063.1540633