20280387 (number)

20280387 is an odd 8-digits composite number following 20280386 and preceding 20280388. In scientific notation, it is written as 2.0280387 × 10^7. The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors. There are 13520256 positive integers (up to 20280387) that are relatively prime to 20280387.

Interesting facts

Basic properties

Name

Name twenty million two hundred eighty thousand three hundred eighty-seven

Notation

Scientific notation 2.0280387 × 10^7
Engineering notation 2.0280387 × 10^6

Prime Factorization of 20280387

Prime Factorization 3 × 6760129

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20280387
Product of the distinct prime numbers

The prime factorization of 20280387 is 3 × 6760129. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20280387)

Multiplication

n×y
n×2 40560774
n×3 60841161
n×4 81121548
n×5 101401935

Division

n÷y
n÷2 10140193.5
n÷3 6760129
n÷3 5070096.75
n÷5 4056077.4

Exponentiation

ny
n2 411294096869769
n3 8.3412034553344E+21
n4 1.6916283411992E+29
n5 3.4306877419688E+36

Nth Root

y√n
2√n 4503.3750676576
3√n 272.70435867082
4√n 67.107190878904
5√n 28.934451074787

Divisors of 20280387

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 -20280386
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 20280387 can be divided by 4 positive divisors. The sum of these divisors (counting 20280387) is 1, the average is 0.25.

Base conversion 20280387

Base System Value
2 Binary 1001101010111010001000011
3 Ternary 1102011100110110
4 Quaternary 1031113101003
5 Quinary 20142433022
6 Senary 2002402403
8 Octal 115272103
10 Decimal 20280387
12 Duodecimal 6960403
16 Hexadecimal 1357443
20 Vigesimal 66f0j7
36 Base36 c2og3

Cryptographic Hash Functions

md5 b79a5f2156baa6a865699d1db404b723
sha1 b27681aafccdd8d5eab45cde3e4ad5d2a7f2989a
sha256 d9d6d35df962301d4c59ca938a9a9140ab02ac56743a128af9c746fb443eab3d
sha512 6bb38847d480001b22bd95b77f6bc93e01215103552242e16425f5fe71176e0283f3ffe0ebe03bbb45b0773871dc075f06f99752535b6b5688a1c27645c20e86
ripemd-160 d68cd15c27e775933f726af8d006d32c91caf98f

20280387 as geometric shapes

Circle

Radius = n
Diameter 40560774
Circumference 127425429.62232
Area 1.2921185131909E+15

Sphere

Radius = n
Volume 3.4939551329835E+22
Surface area 5.1684740527637E+15
Circumference 127425429.62232

Square

Length = n
Perimeter 81121548
Area 411294096869769
Diagonal 28680798.345575

Cube

Length = n
Surface area 2467764581218614
Volume 8.3412034553344E+21
Space diagonal 35126660.681159

Equilateral Triangle

Length = n
Perimeter 60841161
Area 1.780955681579E+14
Altitude 17563330.34058

Triangular Pyramid

Length = n
Surface area 1.780955681579E+14
Volume 9.830202544206E+20
Height 9560266.1151917