20987101 (number)

20987101 is an odd 8-digits composite number following 20987100 and preceding 20987102. In scientific notation, it is written as 2.0987101 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 20971552 positive integers (up to 20987101) that are relatively prime to 20987101.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0987101 × 10^7
Engineering notation 2.0987101 × 10^6

Prime Factorization of 20987101

Prime Factorization 1493 × 14057

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20987101
Product of the distinct prime numbers

The prime factorization of 20987101 is 1493 × 14057. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20987101)

Multiplication

n×y
n×2 41974202
n×3 62961303
n×4 83948404
n×5 104935505

Division

n÷y
n÷2 10493550.5
n÷3 6995700.3333333
n÷3 5246775.25
n÷5 4197420.2

Exponentiation

ny
n2 440458408384201
n3 9.2439451030585E+21
n4 1.9400360951634E+29
n5 4.0715733472841E+36

Nth Root

y√n
2√n 4581.1680824873
3√n 275.83591819079
4√n 67.684326712225
5√n 29.133354302955

Divisors of 20987101

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 -20987100
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 20987101 can be divided by 4 positive divisors. The sum of these divisors (counting 20987101) is 1, the average is 0.25.

Base conversion 20987101

Base System Value
2 Binary 1010000000011110011011101
3 Ternary 1110111020220001
4 Quaternary 1100003303131
5 Quinary 20333041401
6 Senary 2025454301
8 Octal 120036335
10 Decimal 20987101
12 Duodecimal 7041391
16 Hexadecimal 1403cdd
20 Vigesimal 6b37f1
36 Base36 chtr1

Cryptographic Hash Functions

md5 3c3d9acef0642eee28f69010d97aa14c
sha1 dd9c911a1159f46e37fe26546336ca47faa81d24
sha256 7eea31219cb59f229a8a756e08fb5d747e2476badc531df9d07e21d97d6e0297
sha512 0e8d17bedf07867164c8d8ec08aeee27f3a118cdee4cd1b7a47187b323ec0ccd0ff9f7acb3723a43d1a8194d18279340babd7a9c64211240c9353c7435bd7bad
ripemd-160 3bdf2ff231adb74475f6690e7372068afbc5faca

20987101 as geometric shapes

Circle

Radius = n
Diameter 41974202
Circumference 131865844.64349
Area 1.3837408999917E+15

Sphere

Radius = n
Volume 3.8720946701274E+22
Surface area 5.5349635999666E+15
Circumference 131865844.64349

Square

Length = n
Perimeter 83948404
Area 440458408384201
Diagonal 29680242.869094

Cube

Length = n
Surface area 2642750450305206
Volume 9.2439451030585E+21
Space diagonal 36350725.23558

Equilateral Triangle

Length = n
Perimeter 62961303
Area 1.9072408548559E+14
Altitude 18175362.61779

Triangular Pyramid

Length = n
Surface area 1.9072408548559E+14
Volume 1.0894093778815E+21
Height 9893414.289698