20742489 (number)

20742489 is an odd 8-digits composite number following 20742488 and preceding 20742490. In scientific notation, it is written as 2.0742489 × 10^7. The sum of its digits is 36. It has a total of 2 prime factors and 4 positive divisors. There are 13828320 positive integers (up to 20742489) that are relatively prime to 20742489.

Interesting facts

Basic properties

Name

Name twenty million seven hundred forty-two thousand four hundred eighty-nine

Notation

Scientific notation 2.0742489 × 10^7
Engineering notation 2.0742489 × 10^6

Prime Factorization of 20742489

Prime Factorization 9 × 2304721

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20742489
Product of the distinct prime numbers

The prime factorization of 20742489 is 9 × 2304721. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20742489)

Multiplication

n×y
n×2 41484978
n×3 62227467
n×4 82969956
n×5 103712445

Division

n÷y
n÷2 10371244.5
n÷3 6914163
n÷3 5185622.25
n÷5 4148497.8

Exponentiation

ny
n2 430250849915121
n3 8.924473521605E+21
n4 1.8511579385268E+29
n5 3.8397623177156E+36

Nth Root

y√n
2√n 4554.3922755951
3√n 274.76007282709
4√n 67.486237675507
5√n 29.065123569771

Divisors of 20742489

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 -20742488
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 20742489 can be divided by 4 positive divisors. The sum of these divisors (counting 20742489) is 1, the average is 0.25.

Base conversion 20742489

Base System Value
2 Binary 1001111001000000101011001
3 Ternary 1110000211100100
4 Quaternary 1033020011121
5 Quinary 20302224424
6 Senary 2020330013
8 Octal 117100531
10 Decimal 20742489
12 Duodecimal 6b43909
16 Hexadecimal 13c8159
20 Vigesimal 69cg49
36 Base36 ccl09

Cryptographic Hash Functions

md5 e5f1bad7020c3c79cfa2ee177e6ac153
sha1 9567749dd89b367af725b61810bc958d1c18fbd4
sha256 24afe104e65cf47b11c623cd2499471a7776cb68d30ef3b7282634bae628aba3
sha512 36dd98dc0631c70a6ef63148c057df2469cc04c3746888c82abd4e150266349548a547e1d570f2705e62d4f527380b007bab1565a73ee3bd6b7bbe38d1cc2412
ripemd-160 8d1f1ac8c648680c0fd7900d1aa8e0e820193c6b

20742489 as geometric shapes

Circle

Radius = n
Diameter 41484978
Circumference 130328902.11913
Area 1.3516729092941E+15

Sphere

Radius = n
Volume 3.7382747270175E+22
Surface area 5.4066916371764E+15
Circumference 130328902.11913

Square

Length = n
Perimeter 82969956
Area 430250849915121
Diagonal 29334309.261175

Cube

Length = n
Surface area 2581505099490726
Volume 8.924473521605E+21
Space diagonal 35927044.823439

Equilateral Triangle

Length = n
Perimeter 62227467
Area 1.8630408301317E+14
Altitude 17963522.411719

Triangular Pyramid

Length = n
Surface area 1.8630408301317E+14
Volume 1.0517592909411E+21
Height 9778103.0870582