20280816 (number)

20280816 is an even 8-digits composite number following 20280815 and preceding 20280817. In scientific notation, it is written as 2.0280816 × 10^7. The sum of its digits is 27. It has a total of 7 prime factors and 30 positive divisors. There are 6760224 positive integers (up to 20280816) that are relatively prime to 20280816.

Interesting facts

Basic properties

Name

Name twenty million two hundred eighty thousand eight hundred sixteen

Notation

Scientific notation 2.0280816 × 10^7
Engineering notation 2.0280816 × 10^6

Prime Factorization of 20280816

Prime Factorization 2 × 2 × 2 × 2 × 3 × 3 × 140839

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 845034
Product of the distinct prime numbers

The prime factorization of 20280816 is 2 × 2 × 2 × 2 × 3 × 3 × 140839. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20280816)

Multiplication

n×y
n×2 40561632
n×3 60842448
n×4 81123264
n×5 101404080

Division

n÷y
n÷2 10140408
n÷3 6760272
n÷3 5070204
n÷5 4056163.2

Exponentiation

ny
n2 411311497625856
n3 8.3417328020344E+21
n4 1.6917714807922E+29
n5 3.4310506115995E+36

Nth Root

y√n
2√n 4503.4226983484
3√n 272.70628153591
4√n 67.107545763114
5√n 28.934573486401

Divisors of 20280816

30 divisors

τ Total Divisors 30
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20280815
Sum of the proper positive divisors of n
A Arithmetic Mean 0.033333333333333
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 30
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20280816 can be divided by 30 positive divisors. The sum of these divisors (counting 20280816) is 1, the average is 0.033333333333333.

Base conversion 20280816

Base System Value
2 Binary 1001101010111010111110000
3 Ternary 1102011101001100
4 Quaternary 1031113113300
5 Quinary 20142441231
6 Senary 2002404400
8 Octal 115272760
10 Decimal 20280816
12 Duodecimal 6960700
16 Hexadecimal 13575f0
20 Vigesimal 66f20g
36 Base36 c2os0

Cryptographic Hash Functions

md5 4c55b0abc5d15feee3e057a0346024d2
sha1 045d9bf2ff26ef42e99b472c151420bcde9b6938
sha256 7c239a471e6b21262fc02f91b63bf4e67fe7eccdb04bcf82544e06064d6ba655
sha512 621311c767d08861168064624c7893f7ef238c2fdef23ae98e9ad81cf8c11907beebc985521880668d8e31a24987479007e4ae11a9375dba2a1608e1500334d7
ripemd-160 7ceec914d6c249da859843dde3d7fdb8a2657faa

20280816 as geometric shapes

Circle

Radius = n
Diameter 40561632
Circumference 127428125.10881
Area 1.2921731792784E+15

Sphere

Radius = n
Volume 3.4941768652107E+22
Surface area 5.1686927171136E+15
Circumference 127428125.10881

Square

Length = n
Perimeter 81123264
Area 411311497625856
Diagonal 28681405.043193

Cube

Length = n
Surface area 2467868985755136
Volume 8.3417328020344E+21
Space diagonal 35127403.730956

Equilateral Triangle

Length = n
Perimeter 60842448
Area 1.7810310290631E+14
Altitude 17563701.865478

Triangular Pyramid

Length = n
Surface area 1.7810310290631E+14
Volume 9.8308263852747E+20
Height 9560468.3477311