20001909 (number)

20001909 is an odd 8-digits composite number following 20001908 and preceding 20001910. In scientific notation, it is written as 2.0001909 × 10^7. The sum of its digits is 21. It has a total of 4 prime factors and 16 positive divisors. There are 12780096 positive integers (up to 20001909) that are relatively prime to 20001909.

Interesting facts

Basic properties

Name

Name twenty million one thousand nine hundred nine

Notation

Scientific notation 2.0001909 × 10^7
Engineering notation 2.0001909 × 10^6

Prime Factorization of 20001909

Prime Factorization 3 × 29 × 149 × 1543

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20001909
Product of the distinct prime numbers

The prime factorization of 20001909 is 3 × 29 × 149 × 1543. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20001909)

Multiplication

n×y
n×2 40003818
n×3 60005727
n×4 80007636
n×5 100009545

Division

n÷y
n÷2 10000954.5
n÷3 6667303
n÷3 5000477.25
n÷5 4000381.8

Exponentiation

ny
n2 400076363644281
n3 8.0022910186638E+21
n4 1.6006109674683E+29
n5 3.2015274915703E+36

Nth Root

y√n
2√n 4472.3493825952
3√n 271.45039775677
4√n 66.875626222079
5√n 28.854548919939

Divisors of 20001909

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20001908
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20001909 can be divided by 16 positive divisors. The sum of these divisors (counting 20001909) is 1, the average is 0.0625.

Base conversion 20001909

Base System Value
2 Binary 1001100010011010001110101
3 Ternary 1101122012110110
4 Quaternary 1030103101311
5 Quinary 20110030114
6 Senary 1552413233
8 Octal 114232165
10 Decimal 20001909
12 Duodecimal 6847219
16 Hexadecimal 1313475
20 Vigesimal 6504f9
36 Base36 bwpkl

Cryptographic Hash Functions

md5 b74dff78060fbc1f7608624d0ec4a8df
sha1 390b282d0c7f6ea845013d7154cabface3a373bd
sha256 02d92deb40cfd72841339312fa4aa04f77321498a0fe38f6e098cc588fcf1194
sha512 a2f0121ffcd78cb65dd486e60c178b347f52278409ba1f5f1b4cd9071b937b0ed6677aafc83b5dd60cafc0aacec865853595978322e09e6382e8d2776040425c
ripemd-160 ea48b030141b8a25b1b1854d941b3871f31a1623

20001909 as geometric shapes

Circle

Radius = n
Diameter 40003818
Circumference 125675700.74434
Area 1.2568769648998E+15

Sphere

Radius = n
Volume 3.3519918234829E+22
Surface area 5.0275078595992E+15
Circumference 125675700.74434

Square

Length = n
Perimeter 80007636
Area 400076363644281
Diagonal 28286970.981152

Cube

Length = n
Surface area 2400458181865686
Volume 8.0022910186638E+21
Space diagonal 34644322.636369

Equilateral Triangle

Length = n
Perimeter 60005727
Area 1.7323814718482E+14
Altitude 17322161.318185

Triangular Pyramid

Length = n
Surface area 1.7323814718482E+14
Volume 9.430790407209E+20
Height 9428990.3270508