20001895 (number)

20001895 is an odd 8-digits composite number following 20001894 and preceding 20001896. In scientific notation, it is written as 2.0001895 × 10^7. The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors. There are 16001512 positive integers (up to 20001895) that are relatively prime to 20001895.

Interesting facts

Basic properties

Name

Name twenty million one thousand eight hundred ninety-five

Notation

Scientific notation 2.0001895 × 10^7
Engineering notation 2.0001895 × 10^6

Prime Factorization of 20001895

Prime Factorization 5 × 4000379

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20001895
Product of the distinct prime numbers

The prime factorization of 20001895 is 5 × 4000379. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20001895)

Multiplication

n×y
n×2 40003790
n×3 60005685
n×4 80007580
n×5 100009475

Division

n÷y
n÷2 10000947.5
n÷3 6667298.3333333
n÷3 5000473.75
n÷5 4000379

Exponentiation

ny
n2 400075803591025
n3 8.0022742154683E+21
n4 1.60060648619E+29
n5 3.2015162873092E+36

Nth Root

y√n
2√n 4472.3478174221
3√n 271.45033442438
4√n 66.875614519958
5√n 28.854544880687

Divisors of 20001895

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 -20001894
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 20001895 can be divided by 4 positive divisors. The sum of these divisors (counting 20001895) is 1, the average is 0.25.

Base conversion 20001895

Base System Value
2 Binary 1001100010011010001100111
3 Ternary 1101122012102221
4 Quaternary 1030103101213
5 Quinary 20110030040
6 Senary 1552413211
8 Octal 114232147
10 Decimal 20001895
12 Duodecimal 6847207
16 Hexadecimal 1313467
20 Vigesimal 6504ef
36 Base36 bwpk7

Cryptographic Hash Functions

md5 791d78234736a1ef95ed15df55338bb7
sha1 efa1fcb479c40c65cb2d6d3c5601e60af302d912
sha256 b4ed9a4fd4e0888a24a7e72c3dbfdd71732620ed6ae8f189e6b9845679225dab
sha512 ff8d2932d3f686d0c68c0f161c64a6127038b032d34aaac176b290fb62ecd56ddf43d14206ea752443881db6a7837ddeb3df4808bc7501c10ceaadc855925911
ripemd-160 54809023a9a81a4c40c315e3b67c2c11dc71b4e2

20001895 as geometric shapes

Circle

Radius = n
Diameter 40003790
Circumference 125675612.77975
Area 1.2568752054406E+15

Sphere

Radius = n
Volume 3.3519847849768E+22
Surface area 5.0275008217624E+15
Circumference 125675612.77975

Square

Length = n
Perimeter 80007580
Area 400075803591025
Diagonal 28286951.182163

Cube

Length = n
Surface area 2400454821546150
Volume 8.0022742154683E+21
Space diagonal 34644298.387658

Equilateral Triangle

Length = n
Perimeter 60005685
Area 1.7323790467465E+14
Altitude 17322149.193829

Triangular Pyramid

Length = n
Surface area 1.7323790467465E+14
Volume 9.4307706044532E+20
Height 9428983.7273875