20978047 (number)

20978047 is an odd 8-digits composite number following 20978046 and preceding 20978048. In scientific notation, it is written as 2.0978047 × 10^7. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 20065936 positive integers (up to 20978047) that are relatively prime to 20978047.

Interesting facts

Basic properties

Name

Name twenty million nine hundred seventy-eight thousand forty-seven

Notation

Scientific notation 2.0978047 × 10^7
Engineering notation 2.0978047 × 10^6

Prime Factorization of 20978047

Prime Factorization 23 × 912089

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20978047
Product of the distinct prime numbers

The prime factorization of 20978047 is 23 × 912089. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20978047)

Multiplication

n×y
n×2 41956094
n×3 62934141
n×4 83912188
n×5 104890235

Division

n÷y
n÷2 10489023.5
n÷3 6992682.3333333
n÷3 5244511.75
n÷5 4195609.4

Exponentiation

ny
n2 440078455934209
n3 9.2319865322753E+21
n4 1.9366904737744E+29
n5 4.0627983783291E+36

Nth Root

y√n
2√n 4580.1797999642
3√n 275.79624655908
4√n 67.677025643598
5√n 29.130840197561

Divisors of 20978047

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 -20978046
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 20978047 can be divided by 4 positive divisors. The sum of these divisors (counting 20978047) is 1, the average is 0.25.

Base conversion 20978047

Base System Value
2 Binary 1010000000001100101111111
3 Ternary 1110110210110201
4 Quaternary 1100001211333
5 Quinary 20332244142
6 Senary 2025344331
8 Octal 120014577
10 Decimal 20978047
12 Duodecimal 70380a7
16 Hexadecimal 140197f
20 Vigesimal 6b2527
36 Base36 chmrj

Cryptographic Hash Functions

md5 321683172beb521b85e605729a5df130
sha1 a4455b17620f133069c3255165b8ea5158359fe3
sha256 e9b0a86968647f4d4464cd4becf6c8ff4e1ea574b5e627d3e6585235e694a902
sha512 f7b8e1fb41a6469de961717f4d4fa9adacc96342a6882e7dfb9fa44c8a1c4f182e00fb46eeb0502258b2b373b2e6c54fcaf8f51ed364aabfe9b66b0e8f0cf71a
ripemd-160 728518c725b72328c3461072717516fc18c45800

20978047 as geometric shapes

Circle

Radius = n
Diameter 41956094
Circumference 131808956.68372
Area 1.3825472441661E+15

Sphere

Radius = n
Volume 3.8670854757115E+22
Surface area 5.5301889766642E+15
Circumference 131808956.68372

Square

Length = n
Perimeter 83912188
Area 440078455934209
Diagonal 29667438.5795

Cube

Length = n
Surface area 2640470735605254
Volume 9.2319865322753E+21
Space diagonal 36335043.247568

Equilateral Triangle

Length = n
Perimeter 62934141
Area 1.9055956124863E+14
Altitude 18167521.623784

Triangular Pyramid

Length = n
Surface area 1.9055956124863E+14
Volume 1.0880000467991E+21
Height 9889146.1931667