20897789 (number)

20897789 is an odd 8-digits composite number following 20897788 and preceding 20897790. In scientific notation, it is written as 2.0897789 × 10^7. The sum of its digits is 50. It has a total of 3 prime factors and 6 positive divisors. There are 18997880 positive integers (up to 20897789) that are relatively prime to 20897789.

Interesting facts

Basic properties

Name

Name twenty million eight hundred ninety-seven thousand seven hundred eighty-nine

Notation

Scientific notation 2.0897789 × 10^7
Engineering notation 2.0897789 × 10^6

Prime Factorization of 20897789

Prime Factorization 11 × 11 × 172709

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 1899799
Product of the distinct prime numbers

The prime factorization of 20897789 is 11 × 11 × 172709. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20897789)

Multiplication

n×y
n×2 41795578
n×3 62693367
n×4 83591156
n×5 104488945

Division

n÷y
n÷2 10448894.5
n÷3 6965929.6666667
n÷3 5224447.25
n÷5 4179557.8

Exponentiation

ny
n2 436717585088521
n3 9.1264319457695E+21
n4 1.9072224912555E+29
n5 3.9856733198312E+36

Nth Root

y√n
2√n 4571.4099575514
3√n 275.44408248941
4√n 67.612202726663
5√n 29.108516202595

Divisors of 20897789

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20897788
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20897789 can be divided by 6 positive divisors. The sum of these divisors (counting 20897789) is 1, the average is 0.16666666666667.

Base conversion 20897789

Base System Value
2 Binary 1001111101101111111111101
3 Ternary 1110022201101012
4 Quaternary 1033231333331
5 Quinary 20322212124
6 Senary 2023525005
8 Octal 117557775
10 Decimal 20897789
12 Duodecimal 6bb9765
16 Hexadecimal 13edffd
20 Vigesimal 6ac499
36 Base36 cfwu5

Cryptographic Hash Functions

md5 98a2b76a54051ed7103b892397f1f5c3
sha1 f8151a2119c4f8a40de26189582a572d12b2f4b5
sha256 d61539409df565679cd136af1f0500887a17e1857561f4663a4665b2ff846791
sha512 a1e6a8879064b7551ed502880c96082584e20aba8443d71bd0694ef8035d9f2d3c2c3b6024e577c74408b642f35754a4ef947625cbd84197a8448e73f50ba801
ripemd-160 77334239af2f015a906a9fde0c5b49c3bf784813

20897789 as geometric shapes

Circle

Radius = n
Diameter 41795578
Circumference 131304680.79734
Area 1.3719887570076E+15

Sphere

Radius = n
Volume 3.8228708739089E+22
Surface area 5.4879550280303E+15
Circumference 131304680.79734

Square

Length = n
Perimeter 83591156
Area 436717585088521
Diagonal 29553936.627411

Cube

Length = n
Surface area 2620305510531126
Volume 9.1264319457695E+21
Space diagonal 36196032.313854

Equilateral Triangle

Length = n
Perimeter 62693367
Area 1.8910426148303E+14
Altitude 18098016.156927

Triangular Pyramid

Length = n
Surface area 1.8910426148303E+14
Volume 1.0755603194819E+21
Height 9851312.2091371