20187645 (number)

20187645 is an odd 8-digits composite number following 20187644 and preceding 20187646. In scientific notation, it is written as 2.0187645 × 10^7. The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors. There are 10589760 positive integers (up to 20187645) that are relatively prime to 20187645.

Interesting facts

Basic properties

Name

Name twenty million one hundred eighty-seven thousand six hundred forty-five

Notation

Scientific notation 2.0187645 × 10^7
Engineering notation 2.0187645 × 10^6

Prime Factorization of 20187645

Prime Factorization 3 × 5 × 61 × 22063

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20187645
Product of the distinct prime numbers

The prime factorization of 20187645 is 3 × 5 × 61 × 22063. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20187645)

Multiplication

n×y
n×2 40375290
n×3 60562935
n×4 80750580
n×5 100938225

Division

n÷y
n÷2 10093822.5
n÷3 6729215
n÷3 5046911.25
n÷5 4037529

Exponentiation

ny
n2 407541010646025
n3 8.2272932458632E+21
n4 1.6608967535838E+29
n5 3.3529594043003E+36

Nth Root

y√n
2√n 4493.0663249055
3√n 272.28803200133
4√n 67.030338839256
5√n 28.907939145719

Divisors of 20187645

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20187644
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20187645 can be divided by 16 positive divisors. The sum of these divisors (counting 20187645) is 1, the average is 0.0625.

Base conversion 20187645

Base System Value
2 Binary 1001101000000100111111101
3 Ternary 1101222122020120
4 Quaternary 1031000213331
5 Quinary 20132001040
6 Senary 2000405153
8 Octal 115004775
10 Decimal 20187645
12 Duodecimal 69167b9
16 Hexadecimal 13409fd
20 Vigesimal 663925
36 Base36 c0ovx

Cryptographic Hash Functions

md5 9f2d0c181acfb082e553d3a4e412fed5
sha1 03dd9410d2ba27bc6dba5d39ddefd831a64a7b26
sha256 7225fdb8e369d0103ff19d49ccdb5433f8cefcc7c5cf631073dc60a539280e79
sha512 536547293d10dd18ae439ec3af4a09c3067873bee2cc6f34d80a59ca64b6f9f6eea907dadf52278c2007f30806f9ec974c71518a7facd2b7119505ee971985b0
ripemd-160 2e11c9a10a529c73257bd81b8bec97f15e1bb073

20187645 as geometric shapes

Circle

Radius = n
Diameter 40375290
Circumference 126842714.45056
Area 1.2803278450821E+15

Sphere

Radius = n
Volume 3.4462405360177E+22
Surface area 5.1213113803284E+15
Circumference 126842714.45056

Square

Length = n
Perimeter 80750580
Area 407541010646025
Diagonal 28549641.351373

Cube

Length = n
Surface area 2445246063876150
Volume 8.2272932458632E+21
Space diagonal 34966026.825164

Equilateral Triangle

Length = n
Perimeter 60562935
Area 1.7647043415172E+14
Altitude 17483013.412582

Triangular Pyramid

Length = n
Surface area 1.7647043415172E+14
Volume 9.6959580749336E+20
Height 9516547.1171245