20171904 (number)

20171904 is an even 8-digits composite number following 20171903 and preceding 20171905. In scientific notation, it is written as 2.0171904 × 10^7. The sum of its digits is 24. It has a total of 10 prime factors and 64 positive divisors. There are 6656000 positive integers (up to 20171904) that are relatively prime to 20171904.

Interesting facts

Basic properties

Name

Name twenty million one hundred seventy-one thousand nine hundred four

Notation

Scientific notation 2.0171904 × 10^7
Engineering notation 2.0171904 × 10^6

Prime Factorization of 20171904

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 131 × 401

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 10
Total number of prime factors
rad Radical 315186
Product of the distinct prime numbers

The prime factorization of 20171904 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 131 × 401. Since it has a total of 10 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20171904)

Multiplication

n×y
n×2 40343808
n×3 60515712
n×4 80687616
n×5 100859520

Division

n÷y
n÷2 10085952
n÷3 6723968
n÷3 5042976
n÷5 4034380.8

Exponentiation

ny
n2 406905710985216
n3 8.2080629390455E+21
n4 1.6557225763238E+29
n5 3.3399076860237E+36

Nth Root

y√n
2√n 4491.3142842602
3√n 272.21724282314
4√n 67.017268552667
5√n 28.903429636456

Divisors of 20171904

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20171903
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20171904 can be divided by 64 positive divisors. The sum of these divisors (counting 20171904) is 1, the average is 0.015625.

Base conversion 20171904

Base System Value
2 Binary 1001100111100110010000000
3 Ternary 1101221211122120
4 Quaternary 1030330302000
5 Quinary 20131000104
6 Senary 2000204240
8 Octal 114746200
10 Decimal 20171904
12 Duodecimal 6909680
16 Hexadecimal 133cc80
20 Vigesimal 6619f4
36 Base36 c0cqo

Cryptographic Hash Functions

md5 9cfc053a6eaaf7ce4134b823ade7d839
sha1 ec4dbb24d829573a5d191b3d0489c8cfda2a64a5
sha256 7870dfa8293cbb99489846a927e6e518b89963d51bb78b411659f9ac458d8f38
sha512 c9064a7cd9222093c40bd1b98d62458ff87cdaefbdc73ba6b7ec364b553627eb4fc83f694024d8263518b2f9151d22415fb9dead2f4a719e7f654f066a7cfaab
ripemd-160 274a044187c08b68f74acbb58313ee001a7aee43

20171904 as geometric shapes

Circle

Radius = n
Diameter 40343808
Circumference 126743810.83064
Area 1.2783319923349E+15

Sphere

Radius = n
Volume 3.4381853639344E+22
Surface area 5.1133279693395E+15
Circumference 126743810.83064

Square

Length = n
Perimeter 80687616
Area 406905710985216
Diagonal 28527380.215688

Cube

Length = n
Surface area 2441434265911296
Volume 8.2080629390455E+21
Space diagonal 34938762.613402

Equilateral Triangle

Length = n
Perimeter 60515712
Area 1.7619534132908E+14
Altitude 17469381.306701

Triangular Pyramid

Length = n
Surface area 1.7619534132908E+14
Volume 9.6732949410085E+20
Height 9509126.7385627