20138909 (number)

20138909 is an odd 8-digits composite number following 20138908 and preceding 20138910. In scientific notation, it is written as 2.0138909 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 17229600 positive integers (up to 20138909) that are relatively prime to 20138909.

Interesting facts

Basic properties

Name

Name twenty million one hundred thirty-eight thousand nine hundred nine

Notation

Scientific notation 2.0138909 × 10^7
Engineering notation 2.0138909 × 10^6

Prime Factorization of 20138909

Prime Factorization 7 × 601 × 4787

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20138909
Product of the distinct prime numbers

The prime factorization of 20138909 is 7 × 601 × 4787. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20138909)

Multiplication

n×y
n×2 40277818
n×3 60416727
n×4 80555636
n×5 100694545

Division

n÷y
n÷2 10069454.5
n÷3 6712969.6666667
n÷3 5034727.25
n÷5 4027781.8

Exponentiation

ny
n2 405575655710281
n3 8.1678512229647E+21
n4 1.6449161250482E+29
n5 3.3126816154979E+36

Nth Root

y√n
2√n 4487.6395800019
3√n 272.06874073601
4√n 66.989846842652
5√n 28.893968028501

Divisors of 20138909

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 -20138908
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 20138909 can be divided by 8 positive divisors. The sum of these divisors (counting 20138909) is 1, the average is 0.125.

Base conversion 20138909

Base System Value
2 Binary 1001100110100101110011101
3 Ternary 1101220011101112
4 Quaternary 1030310232131
5 Quinary 20123421114
6 Senary 1555351405
8 Octal 114645635
10 Decimal 20138909
12 Duodecimal 68b2565
16 Hexadecimal 1334b9d
20 Vigesimal 65h759
36 Base36 bzna5

Cryptographic Hash Functions

md5 d8f28fed5846a8029e03c37e64642414
sha1 f9c5b5129405200239b0b17c9ab562b31bb549db
sha256 3cb0171d5ed03d9c7c7aafa6fc0f2c9641e503b7adafa1158582099de7e6e230
sha512 c4749a1329486a5667fcf810f4b855bbae6dfce83159d1892c2cda77ecbff20d01b437590cd9f8d2041795604106b2184efd860d619a2aa285e15fd26d4c0646
ripemd-160 8fc5e9b8dc507f58d766cb0adb10981a1b809461

20138909 as geometric shapes

Circle

Radius = n
Diameter 40277818
Circumference 126536497.13143
Area 1.2741535004543E+15

Sphere

Radius = n
Volume 3.4213415196907E+22
Surface area 5.0966140018171E+15
Circumference 126536497.13143

Square

Length = n
Perimeter 80555636
Area 405575655710281
Diagonal 28480718.239198

Cube

Length = n
Surface area 2433453934261686
Volume 8.1678512229647E+21
Space diagonal 34881613.597006

Equilateral Triangle

Length = n
Perimeter 60416727
Area 1.7561941050082E+14
Altitude 17440806.798503

Triangular Pyramid

Length = n
Surface area 1.7561941050082E+14
Volume 9.6259049791353E+20
Height 9493572.7463992