20280988 (number)

20280988 is an even 8-digits composite number following 20280987 and preceding 20280989. In scientific notation, it is written as 2.0280988 × 10^7. The sum of its digits is 37. It has a total of 4 prime factors and 12 positive divisors. There are 8023104 positive integers (up to 20280988) that are relatively prime to 20280988.

Interesting facts

Basic properties

Name

Name twenty million two hundred eighty thousand nine hundred eighty-eight

Notation

Scientific notation 2.0280988 × 10^7
Engineering notation 2.0280988 × 10^6

Prime Factorization of 20280988

Prime Factorization 2 × 2 × 91 × 55717

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10140494
Product of the distinct prime numbers

The prime factorization of 20280988 is 2 × 2 × 91 × 55717. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 10, 7, 43, 91, 591, 8774, 4622, 73101, 80104, 48197, 722228, 6224018, 7434942, 34257940, 75710626, 671318148, 248993823, 8852874977, 7128941797

Basic calculations (n = 20280988)

Multiplication

n×y
n×2 40561976
n×3 60842964
n×4 81123952
n×5 101404940

Division

n÷y
n÷2 10140494
n÷3 6760329.3333333
n÷3 5070247
n÷5 4056197.6

Exponentiation

ny
n2 411318474256144
n3 8.3419450405672E+21
n4 1.691828872644E+29
n5 3.4311961064147E+36

Nth Root

y√n
2√n 4503.4417948942
3√n 272.70705246722
4√n 67.107688046111
5√n 28.934622564601

Divisors of 20280988

1, 2, 4, 91, 182, 364, 55717, 111434, 222868, 5070247, 10140494, 20280988

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20280987
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20280988 can be divided by 12 positive divisors. The sum of these divisors (counting 20280988) is 1, the average is 0.083333333333333.

Base conversion 20280988

Base System Value
2 Binary 1001101010111011010011100
3 Ternary 1102011101021201
4 Quaternary 1031113122130
5 Quinary 20142442423
6 Senary 2002405244
8 Octal 115273234
10 Decimal 20280988
12 Duodecimal 6960824
16 Hexadecimal 135769c
20 Vigesimal 66f298
36 Base36 c2ows

Cryptographic Hash Functions

md5 81b7bf772166c7398f7df92b80003864
sha1 5bca193a21fd745d2f26ab82907544bc8024824f
sha256 d46576993e9fcf15083545d6c36abf986746dd89114bb4dde5867d7bb57abc3a
sha512 d2b3ce6b6ee2f954b1733e0fb5547d799e5dfadafec5257d227e3fef6c452223af1b509bc29b20befb3ba594fb2d6687b524402a0a270273d0250bc7d4ef0ea5
ripemd-160 66ae54ab7d97d0e325bdbba2215e262a5a82a878

20280988 as geometric shapes

Circle

Radius = n
Diameter 40561976
Circumference 127429205.81669
Area 1.2921950970089E+15

Sphere

Radius = n
Volume 3.4942657674794E+22
Surface area 5.1687803880355E+15
Circumference 127429205.81669

Square

Length = n
Perimeter 81123952
Area 411318474256144
Diagonal 28681648.287926

Cube

Length = n
Surface area 2467910845536864
Volume 8.3419450405672E+21
Space diagonal 35127701.643695

Equilateral Triangle

Length = n
Perimeter 60842964
Area 1.7810612387584E+14
Altitude 17563850.821847

Triangular Pyramid

Length = n
Surface area 1.7810612387584E+14
Volume 9.8310765107842E+20
Height 9560549.4293087