20389747 (number)

20389747 is an odd 8-digits composite number following 20389746 and preceding 20389748. In scientific notation, it is written as 2.0389747 × 10^7. The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors. There are 17364672 positive integers (up to 20389747) that are relatively prime to 20389747.

Interesting facts

Basic properties

Name

Name twenty million three hundred eighty-nine thousand seven hundred forty-seven

Notation

Scientific notation 2.0389747 × 10^7
Engineering notation 2.0389747 × 10^6

Prime Factorization of 20389747

Prime Factorization 7 × 157 × 18553

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20389747
Product of the distinct prime numbers

The prime factorization of 20389747 is 7 × 157 × 18553. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20389747)

Multiplication

n×y
n×2 40779494
n×3 61169241
n×4 81558988
n×5 101948735

Division

n÷y
n÷2 10194873.5
n÷3 6796582.3333333
n÷3 5097436.75
n÷5 4077949.4

Exponentiation

ny
n2 415741782724009
n3 8.4768697670715E+21
n4 1.7284122990254E+29
n5 3.5241889488816E+36

Nth Root

y√n
2√n 4515.5007474255
3√n 273.19365740238
4√n 67.197475751887
5√n 28.965589221799

Divisors of 20389747

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20389746
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20389747 can be divided by 8 positive divisors. The sum of these divisors (counting 20389747) is 1, the average is 0.125.

Base conversion 20389747

Base System Value
2 Binary 1001101110001111101110011
3 Ternary 1102100220110211
4 Quaternary 1031301331303
5 Quinary 20204432442
6 Senary 2005004551
8 Octal 115617563
10 Decimal 20389747
12 Duodecimal 69b3757
16 Hexadecimal 1371f73
20 Vigesimal 678e77
36 Base36 c50tv

Cryptographic Hash Functions

md5 5431e28d7c96aa121bcefee367d66924
sha1 f6b9aa6cfd0f8f2efaf2008cc9408627ceab8a84
sha256 eff5155e11e5ec2f51532b9003f1cd2b39053172d9c2f97f1db8443bcdce8fd2
sha512 3d6f8080fafcbdf2da3999c626d0660e16b6c8f9f6bfa3c486a84c47bc7220cc16464b60991b705708cbb1f3284db1309be6c726fb6ed84e494a9fbe51fac934
ripemd-160 3b34eeace6410af9829b58bb8ded61e7859e3a22

20389747 as geometric shapes

Circle

Radius = n
Diameter 40779494
Circumference 128112558.76751
Area 1.3060913303961E+15

Sphere

Radius = n
Volume 3.5507829047559E+22
Surface area 5.2243653215843E+15
Circumference 128112558.76751

Square

Length = n
Perimeter 81558988
Area 415741782724009
Diagonal 28835456.740756

Cube

Length = n
Surface area 2494450696344054
Volume 8.4768697670715E+21
Space diagonal 35316077.757475

Equilateral Triangle

Length = n
Perimeter 61169241
Area 1.8002147262681E+14
Altitude 17658038.878738

Triangular Pyramid

Length = n
Surface area 1.8002147262681E+14
Volume 9.9900868258858E+20
Height 9611818.9135854