20081909 (number)

20081909 is an odd 8-digits prime number following 20081908 and preceding 20081910. In scientific notation, it is written as 2.0081909 × 10^7. The sum of its digits is 29. It has a total of 1 prime factors and 2 positive divisors. There are 20081908 positive integers (up to 20081909) that are relatively prime to 20081909.

Interesting facts

Basic properties

Name

Name twenty million eighty-one thousand nine hundred nine

Notation

Scientific notation 2.0081909 × 10^7
Engineering notation 2.0081909 × 10^6

Prime Factorization of 20081909

Prime Factorization 20081909

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 20081909
Product of the distinct prime numbers

The prime factorization of 20081909 is 20081909. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20081909)

Multiplication

n×y
n×2 40163818
n×3 60245727
n×4 80327636
n×5 100409545

Division

n÷y
n÷2 10040954.5
n÷3 6693969.6666667
n÷3 5020477.25
n÷5 4016381.8

Exponentiation

ny
n2 403283069084281
n3 8.0986938945912E+21
n4 1.6263723381004E+29
n5 3.2660661293849E+36

Nth Root

y√n
2√n 4481.2843025186
3√n 271.81181566003
4√n 66.942395404696
5√n 28.877593517548

Divisors of 20081909

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 20081910
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 10040955
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 4481.2844140938
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999004079
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20081909 can be divided by 2 positive divisors. The sum of these divisors (counting 20081909) is 20081910, the average is 10040955.

Base conversion 20081909

Base System Value
2 Binary 1001100100110110011110101
3 Ternary 1101210021012102
4 Quaternary 1030212303311
5 Quinary 20120110114
6 Senary 1554231445
8 Octal 114466365
10 Decimal 20081909
12 Duodecimal 6885585
16 Hexadecimal 1326cf5
20 Vigesimal 65a4f9
36 Base36 byfat

Cryptographic Hash Functions

md5 ba99cf1342d821f3c9b0ba74ef8944e4
sha1 7d746ec2daef3e3f6614a14a1d1f1b2eafbe7477
sha256 500d13e927847ad34787427ee2fa507a29489373f2b94c8480e89d0fbd94b329
sha512 9b18cbe0b37e6ec3fb06caa9220186b4d32724901ce4e6145691fcd6298c4f4ca130ffc3afd3f93271cbdd188fe52728f3e41ffd15f012db55ff2075c24f6b67
ripemd-160 2930a6e7eb4526b840592904724a418e11d1737a

20081909 as geometric shapes

Circle

Radius = n
Diameter 40163818
Circumference 126178355.56892
Area 1.2669511271523E+15

Sphere

Radius = n
Volume 3.3923729657227E+22
Surface area 5.0678045086093E+15
Circumference 126178355.56892

Square

Length = n
Perimeter 80327636
Area 403283069084281
Diagonal 28400108.066142

Cube

Length = n
Surface area 2419698414505686
Volume 8.0986938945912E+21
Space diagonal 34782886.700975

Equilateral Triangle

Length = n
Perimeter 60245727
Area 1.7462669137157E+14
Altitude 17391443.350487

Triangular Pyramid

Length = n
Surface area 1.7462669137157E+14
Volume 9.5444022860326E+20
Height 9466702.6887141