20897788 (number)

20897788 is an even 8-digits composite number following 20897787 and preceding 20897789. In scientific notation, it is written as 2.0897788 × 10^7. The sum of its digits is 49. It has a total of 3 prime factors and 6 positive divisors. There are 10448892 positive integers (up to 20897788) that are relatively prime to 20897788.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0897788 × 10^7
Engineering notation 2.0897788 × 10^6

Prime Factorization of 20897788

Prime Factorization 2 × 2 × 5224447

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 10448894
Product of the distinct prime numbers

The prime factorization of 20897788 is 2 × 2 × 5224447. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20897788)

Multiplication

n×y
n×2 41795576
n×3 62693364
n×4 83591152
n×5 104488940

Division

n÷y
n÷2 10448894
n÷3 6965929.3333333
n÷3 5224447
n÷5 4179557.6

Exponentiation

ny
n2 436717543292944
n3 9.1264306356168E+21
n4 1.9072221261982E+29
n5 3.98567236622E+36

Nth Root

y√n
2√n 4571.4098481759
3√n 275.4440780959
4√n 67.612201917819
5√n 29.108515924015

Divisors of 20897788

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 -20897787
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 20897788 can be divided by 6 positive divisors. The sum of these divisors (counting 20897788) is 1, the average is 0.16666666666667.

Base conversion 20897788

Base System Value
2 Binary 1001111101101111111111100
3 Ternary 1110022201101011
4 Quaternary 1033231333330
5 Quinary 20322212123
6 Senary 2023525004
8 Octal 117557774
10 Decimal 20897788
12 Duodecimal 6bb9764
16 Hexadecimal 13edffc
20 Vigesimal 6ac498
36 Base36 cfwu4

Cryptographic Hash Functions

md5 992f0a72253a23010147f78c80869ac4
sha1 ba4e4865c571b64b4c6ef6550811f3f63a1790b5
sha256 7e2a8e8b983e9037a36033c4e3964c231afdcc477168fc95ce8f7eb3bc803ebc
sha512 762e314d7463f5aba99f80da6379607762b786eb64a0ba5311f985f29c8ae3027bcee4de3de703ed577d79680e28cca3e76b053ad00e0e9cf9aba686d99dc3a9
ripemd-160 214236a3f934fb4ab9d90853f64a58a91a296c81

20897788 as geometric shapes

Circle

Radius = n
Diameter 41795576
Circumference 131304674.51415
Area 1.3719886257029E+15

Sphere

Radius = n
Volume 3.8228703251134E+22
Surface area 5.4879545028116E+15
Circumference 131304674.51415

Square

Length = n
Perimeter 83591152
Area 436717543292944
Diagonal 29553935.213198

Cube

Length = n
Surface area 2620305259757664
Volume 9.1264306356168E+21
Space diagonal 36196030.581803

Equilateral Triangle

Length = n
Perimeter 62693364
Area 1.8910424338501E+14
Altitude 18098015.290902

Triangular Pyramid

Length = n
Surface area 1.8910424338501E+14
Volume 1.0755601650789E+21
Height 9851311.7377326