20001921 (number)

20001921 is an odd 8-digits composite number following 20001920 and preceding 20001922. In scientific notation, it is written as 2.0001921 × 10^7. The sum of its digits is 15. It has a total of 3 prime factors and 8 positive divisors. There are 13173792 positive integers (up to 20001921) that are relatively prime to 20001921.

Interesting facts

Basic properties

Name

Name twenty million one thousand nine hundred twenty-one

Notation

Scientific notation 2.0001921 × 10^7
Engineering notation 2.0001921 × 10^6

Prime Factorization of 20001921

Prime Factorization 3 × 83 × 80329

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20001921
Product of the distinct prime numbers

The prime factorization of 20001921 is 3 × 83 × 80329. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20001921)

Multiplication

n×y
n×2 40003842
n×3 60005763
n×4 80007684
n×5 100009605

Division

n÷y
n÷2 10000960.5
n÷3 6667307
n÷3 5000480.25
n÷5 4000384.2

Exponentiation

ny
n2 400076843690241
n3 8.0023054214215E+21
n4 1.6006148085715E+29
n5 3.2015370952476E+36

Nth Root

y√n
2√n 4472.3507241718
3√n 271.45045204166
4√n 66.875636252463
5√n 28.854552382154

Divisors of 20001921

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20001920
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20001921 can be divided by 8 positive divisors. The sum of these divisors (counting 20001921) is 1, the average is 0.125.

Base conversion 20001921

Base System Value
2 Binary 1001100010011010010000001
3 Ternary 1101122012110220
4 Quaternary 1030103102001
5 Quinary 20110030141
6 Senary 1552413253
8 Octal 114232201
10 Decimal 20001921
12 Duodecimal 6847229
16 Hexadecimal 1313481
20 Vigesimal 6504g1
36 Base36 bwpkx

Cryptographic Hash Functions

md5 0288fa30f62208d85fd1fc7146aea8b7
sha1 73a236afeb01e92b043df13ec57126f0023623ae
sha256 3c876956d9cd6ddac47a117293bc2658ee32b62f6e54c033eeed8a15fe5824c0
sha512 7b38ee5ad587c7c4094eda3300f41ff22daf4f0dd94953375957caaa9e6087a24684d884097d227111b205c7ce5b23461ea15af1ba84edbafe38cce6c18de903
ripemd-160 95dd5ee71154a1a9d7e264ae7760154f62e7fd32

20001921 as geometric shapes

Circle

Radius = n
Diameter 40003842
Circumference 125675776.14257
Area 1.2568784730087E+15

Sphere

Radius = n
Volume 3.351997856496E+22
Surface area 5.0275138920346E+15
Circumference 125675776.14257

Square

Length = n
Perimeter 80007684
Area 400076843690241
Diagonal 28286987.951715

Cube

Length = n
Surface area 2400461062141446
Volume 8.0023054214215E+21
Space diagonal 34644343.420979

Equilateral Triangle

Length = n
Perimeter 60005763
Area 1.7323835505082E+14
Altitude 17322171.710489

Triangular Pyramid

Length = n
Surface area 1.7323835505082E+14
Volume 9.4308073810218E+20
Height 9428995.9839051