20889721 (number)

20889721 is an odd 8-digits composite number following 20889720 and preceding 20889722. In scientific notation, it is written as 2.0889721 × 10^7. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 19790244 positive integers (up to 20889721) that are relatively prime to 20889721.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0889721 × 10^7
Engineering notation 2.0889721 × 10^6

Prime Factorization of 20889721

Prime Factorization 19 × 1099459

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20889721
Product of the distinct prime numbers

The prime factorization of 20889721 is 19 × 1099459. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20889721)

Multiplication

n×y
n×2 41779442
n×3 62669163
n×4 83558884
n×5 104448605

Division

n÷y
n÷2 10444860.5
n÷3 6963240.3333333
n÷3 5222430.25
n÷5 4177944.2

Exponentiation

ny
n2 436380443457841
n3 9.1158657136906E+21
n4 1.9042789143246E+29
n5 3.9779855226424E+36

Nth Root

y√n
2√n 4570.5274312709
3√n 275.4086310691
4√n 67.605676028503
5√n 29.106268273074

Divisors of 20889721

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 -20889720
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 20889721 can be divided by 4 positive divisors. The sum of these divisors (counting 20889721) is 1, the average is 0.25.

Base conversion 20889721

Base System Value
2 Binary 1001111101100000001111001
3 Ternary 1110022022022101
4 Quaternary 1033230001321
5 Quinary 20321432341
6 Senary 2023423401
8 Octal 117540171
10 Decimal 20889721
12 Duodecimal 6bb4b61
16 Hexadecimal 13ec079
20 Vigesimal 6ab461
36 Base36 cfqm1

Cryptographic Hash Functions

md5 119610626c2ee9ad7efe55e25654b557
sha1 f0ec83950b6212583193b2fbb7c7e0628239d708
sha256 bed4ffa86288e8757c9dfdd67e2b13670b6f7262cbd05b0aa26b7de9f7ebb71c
sha512 2e9cbbeb3f3db6e61138d98ce1822db40eaba3f602be4daa3278ae880465b8dcc1a1f0a5ae80d5e98500b0201f3c8abefe7631f0d1b03d8362f9e662486d1a76
ripemd-160 713309a4d5d90e81f11787d4f02ed4c5565fc41d

20889721 as geometric shapes

Circle

Radius = n
Diameter 41779442
Circumference 131253988.05828
Area 1.3709295953374E+15

Sphere

Radius = n
Volume 3.8184449009655E+22
Surface area 5.4837183813496E+15
Circumference 131253988.05828

Square

Length = n
Perimeter 83558884
Area 436380443457841
Diagonal 29542526.75239

Cube

Length = n
Surface area 2618282660747046
Volume 9.1158657136906E+21
Space diagonal 36182058.127939

Equilateral Triangle

Length = n
Perimeter 62669163
Area 1.889582748746E+14
Altitude 18091029.063969

Triangular Pyramid

Length = n
Surface area 1.889582748746E+14
Volume 1.0743150770894E+21
Height 9847508.9174634