20291909 (number)

20291909 is an odd 8-digits composite number following 20291908 and preceding 20291910. In scientific notation, it is written as 2.0291909 × 10^7. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 17810800 positive integers (up to 20291909) that are relatively prime to 20291909.

Interesting facts

Basic properties

Name

Name twenty million two hundred ninety-one thousand nine hundred nine

Notation

Scientific notation 2.0291909 × 10^7
Engineering notation 2.0291909 × 10^6

Prime Factorization of 20291909

Prime Factorization 319 × 63611

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20291909
Product of the distinct prime numbers

The prime factorization of 20291909 is 319 × 63611. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20291909)

Multiplication

n×y
n×2 40583818
n×3 60875727
n×4 81167636
n×5 101459545

Division

n÷y
n÷2 10145954.5
n÷3 6763969.6666667
n÷3 5072977.25
n÷5 4058381.8

Exponentiation

ny
n2 411761570864281
n3 8.355428325675E+21
n4 1.6954759124062E+29
n5 3.4404442926239E+36

Nth Root

y√n
2√n 4504.6541487666
3√n 272.75599320098
4√n 67.116720336788
5√n 28.937738063428

Divisors of 20291909

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 -20291908
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 20291909 can be divided by 4 positive divisors. The sum of these divisors (counting 20291909) is 1, the average is 0.25.

Base conversion 20291909

Base System Value
2 Binary 1001101011010000101000101
3 Ternary 1102011221021012
4 Quaternary 1031122011011
5 Quinary 20143320114
6 Senary 2002532005
8 Octal 115320505
10 Decimal 20291909
12 Duodecimal 6967005
16 Hexadecimal 135a145
20 Vigesimal 66g9f9
36 Base36 c2xc5

Cryptographic Hash Functions

md5 fdba037446e3e2e49de900358f557b67
sha1 c9333ef7c84ba2789e03d02cb1dacb8b245c9fb7
sha256 d1d2db875c462180eff0ff811e8280e7ba72449d906fab51341e1f5a45dcda3a
sha512 f54bed7fd8b295966f5358e5f0890d2972f186d8674a21619aa6941e3fee7eb17cc15bbd26666abde9f5a35fe6b0e58222e7ff1a93afc165ea4ba7e910b72ea4
ripemd-160 7d4ce2719714f95d0a5d4dcbb62c77b7ce954dc3

20291909 as geometric shapes

Circle

Radius = n
Diameter 40583818
Circumference 127497824.48343
Area 1.2935871260578E+15

Sphere

Radius = n
Volume 3.4999136327382E+22
Surface area 5.1743485042313E+15
Circumference 127497824.48343

Square

Length = n
Perimeter 81167636
Area 411761570864281
Diagonal 28697092.914241

Cube

Length = n
Surface area 2470569425185686
Volume 8.355428325675E+21
Space diagonal 35146617.370564

Equilateral Triangle

Length = n
Perimeter 60875727
Area 1.7829799033533E+14
Altitude 17573308.685282

Triangular Pyramid

Length = n
Surface area 1.7829799033533E+14
Volume 9.8469667146716E+20
Height 9565697.6380802