20147809 (number)

20147809 is an odd 8-digits composite number following 20147808 and preceding 20147810. In scientific notation, it is written as 2.0147809 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 17352000 positive integers (up to 20147809) that are relatively prime to 20147809.

Interesting facts

Basic properties

Name

Name twenty million one hundred forty-seven thousand eight hundred nine

Notation

Scientific notation 2.0147809 × 10^7
Engineering notation 2.0147809 × 10^6

Prime Factorization of 20147809

Prime Factorization 11 × 19 × 96401

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20147809
Product of the distinct prime numbers

The prime factorization of 20147809 is 11 × 19 × 96401. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20147809)

Multiplication

n×y
n×2 40295618
n×3 60443427
n×4 80591236
n×5 100739045

Division

n÷y
n÷2 10073904.5
n÷3 6715936.3333333
n÷3 5036952.25
n÷5 4029561.8

Exponentiation

ny
n2 405934207500481
n3 8.1786848792861E+21
n4 1.6478258081904E+29
n5 3.3200079648692E+36

Nth Root

y√n
2√n 4488.6310830809
3√n 272.10881333348
4√n 66.997246832097
5√n 28.896521402861

Divisors of 20147809

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 -20147808
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 20147809 can be divided by 8 positive divisors. The sum of these divisors (counting 20147809) is 1, the average is 0.125.

Base conversion 20147809

Base System Value
2 Binary 1001100110110111001100001
3 Ternary 1101220121121011
4 Quaternary 1030312321201
5 Quinary 20124212214
6 Senary 1555500521
8 Octal 114667141
10 Decimal 20147809
12 Duodecimal 68b7741
16 Hexadecimal 1336e61
20 Vigesimal 65i9a9
36 Base36 bzu5d

Cryptographic Hash Functions

md5 2138894473a29289dcca11111a8d8afb
sha1 e17d5db029506e533ca1412f28d9e55f046ee417
sha256 ffc591b9da539e2414902e4f7657d3d6ef1e06b3dc0b0a2688f599812d0cbcf1
sha512 b6aa61766e77c24b19e6f9a22663d160542438970a9498cf3c8e810228d43248fbd412bce0eeaf2e90afb11408a0c724bcee857ba7438509d4a7b72b0f5d49c7
ripemd-160 d8e80ba29b12999ab1ded03aa424a3b02dc0c7d6

20147809 as geometric shapes

Circle

Radius = n
Diameter 40295618
Circumference 126592417.48066
Area 1.2752799241243E+15

Sphere

Radius = n
Volume 3.4258795110388E+22
Surface area 5.1011196964972E+15
Circumference 126592417.48066

Square

Length = n
Perimeter 80591236
Area 405934207500481
Diagonal 28493304.739903

Cube

Length = n
Surface area 2435605245002886
Volume 8.1786848792861E+21
Space diagonal 34897028.849193

Equilateral Triangle

Length = n
Perimeter 60443427
Area 1.7577466798026E+14
Altitude 17448514.424597

Triangular Pyramid

Length = n
Surface area 1.7577466798026E+14
Volume 9.6386725655518E+20
Height 9497768.2466342