20145591 (number)

20145591 is an odd 8-digits composite number following 20145590 and preceding 20145592. In scientific notation, it is written as 2.0145591 × 10^7. The sum of its digits is 27. It has a total of 5 prime factors and 20 positive divisors. There are 13242528 positive integers (up to 20145591) that are relatively prime to 20145591.

Interesting facts

Basic properties

Name

Name twenty million one hundred forty-five thousand five hundred ninety-one

Notation

Scientific notation 2.0145591 × 10^7
Engineering notation 2.0145591 × 10^6

Prime Factorization of 20145591

Prime Factorization 3 × 3 × 9 × 73 × 3407

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 6715197
Product of the distinct prime numbers

The prime factorization of 20145591 is 3 × 3 × 9 × 73 × 3407. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20145591)

Multiplication

n×y
n×2 40291182
n×3 60436773
n×4 80582364
n×5 100727955

Division

n÷y
n÷2 10072795.5
n÷3 6715197
n÷3 5036397.75
n÷5 4029118.2

Exponentiation

ny
n2 405844836739281
n3 8.1759840904113E+21
n4 1.6471003150793E+29
n5 3.3181809283559E+36

Nth Root

y√n
2√n 4488.3840076357
3√n 272.09882780608
4√n 66.995402884345
5√n 28.895885151972

Divisors of 20145591

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20145590
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20145591 can be divided by 20 positive divisors. The sum of these divisors (counting 20145591) is 1, the average is 0.05.

Base conversion 20145591

Base System Value
2 Binary 1001100110110010110110111
3 Ternary 1101220111120000
4 Quaternary 1030312112313
5 Quinary 20124124331
6 Senary 1555442343
8 Octal 114662667
10 Decimal 20145591
12 Duodecimal 68b63b3
16 Hexadecimal 13365b7
20 Vigesimal 65i3jb
36 Base36 bzsfr

Cryptographic Hash Functions

md5 3fee2d927711fd85b1cfca2fb1b90bbb
sha1 d682818a0212fb743fc49bfee8344c3313b3fa08
sha256 7691ae56e029d789aafc54ddc8b6c2fe18e11d15b05ec36c9f86b7a067e59cc9
sha512 29df4942f4c2cd3f8543492c1aaaa88596a5f389da16ea8dafdf938cacd5b14e8614c2cffd65851ac7e0c1e66ed2e33e34a5445c7a2a155025b920f5701f8579
ripemd-160 f738f8e4ea24d7e733916cac1b21f14b60976375

20145591 as geometric shapes

Circle

Radius = n
Diameter 40291182
Circumference 126578481.37565
Area 1.2749991575975E+15

Sphere

Radius = n
Volume 3.4247482072404E+22
Surface area 5.0999966303899E+15
Circumference 126578481.37565

Square

Length = n
Perimeter 80582364
Area 405844836739281
Diagonal 28490168.014221

Cube

Length = n
Surface area 2435069020435686
Volume 8.1759840904113E+21
Space diagonal 34893187.160502

Equilateral Triangle

Length = n
Perimeter 60436773
Area 1.7573596930548E+14
Altitude 17446593.580251

Triangular Pyramid

Length = n
Surface area 1.7573596930548E+14
Volume 9.6354896553386E+20
Height 9496722.6714071