20189887 (number)

20189887 is an odd 8-digits composite number following 20189886 and preceding 20189888. In scientific notation, it is written as 2.0189887 × 10^7. The sum of its digits is 43. It has a total of 3 prime factors and 6 positive divisors. There are 19492872 positive integers (up to 20189887) that are relatively prime to 20189887.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0189887 × 10^7
Engineering notation 2.0189887 × 10^6

Prime Factorization of 20189887

Prime Factorization 29 × 29 × 24007

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 696203
Product of the distinct prime numbers

The prime factorization of 20189887 is 29 × 29 × 24007. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20189887)

Multiplication

n×y
n×2 40379774
n×3 60569661
n×4 80759548
n×5 100949435

Division

n÷y
n÷2 10094943.5
n÷3 6729962.3333333
n÷3 5047471.75
n÷5 4037977.4

Exponentiation

ny
n2 407631537072769
n3 8.2300346711355E+21
n4 1.6616347001631E+29
n5 3.3548216831572E+36

Nth Root

y√n
2√n 4493.3158135168
3√n 272.29811155196
4√n 67.03219982603
5√n 28.908581208928

Divisors of 20189887

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20189886
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20189887 can be divided by 6 positive divisors. The sum of these divisors (counting 20189887) is 1, the average is 0.16666666666667.

Base conversion 20189887

Base System Value
2 Binary 1001101000001001010111111
3 Ternary 1101222202022121
4 Quaternary 1031001022333
5 Quinary 20132034022
6 Senary 2000423411
8 Octal 115011277
10 Decimal 20189887
12 Duodecimal 6917b67
16 Hexadecimal 13412bf
20 Vigesimal 663ee7
36 Base36 c0qm7

Cryptographic Hash Functions

md5 18bb14e79f8457abf856df378272abca
sha1 cc44dc07a8d91aa4d131c11c8c3fbd9cb9ce3fda
sha256 8e89a169a5b24e1f11ee896ec60156eb0de92efc8703e5a52f61b454b705174e
sha512 466ba962c8cbdb1de5dab35e4bc5ed369171bd2b070538defe0d6034bce3faf75c34ed64298439b569d55e205651e03d5e7284c3e733b79a9bab975b1ff95571
ripemd-160 59aca9691369ba7df6eb74912e1a4d05ab30c962

20189887 as geometric shapes

Circle

Radius = n
Diameter 40379774
Circumference 126856801.35202
Area 1.2806122422393E+15

Sphere

Radius = n
Volume 3.4473888615505E+22
Surface area 5.1224489689573E+15
Circumference 126856801.35202

Square

Length = n
Perimeter 80759548
Area 407631537072769
Diagonal 28552812.01818

Cube

Length = n
Surface area 2445789222436614
Volume 8.2300346711355E+21
Space diagonal 34969910.083074

Equilateral Triangle

Length = n
Perimeter 60569661
Area 1.7650963324436E+14
Altitude 17484955.041537

Triangular Pyramid

Length = n
Surface area 1.7650963324436E+14
Volume 9.6991888756005E+20
Height 9517604.0060601