20455988 (number)

20455988 is an even 8-digits composite number following 20455987 and preceding 20455989. In scientific notation, it is written as 2.0455988 × 10^7. The sum of its digits is 41. It has a total of 4 prime factors and 12 positive divisors. There are 8766840 positive integers (up to 20455988) that are relatively prime to 20455988.

Interesting facts

Basic properties

Name

Name twenty million four hundred fifty-five thousand nine hundred eighty-eight

Notation

Scientific notation 2.0455988 × 10^7
Engineering notation 2.0455988 × 10^6

Prime Factorization of 20455988

Prime Factorization 2 × 2 × 7 × 730571

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10227994
Product of the distinct prime numbers

The prime factorization of 20455988 is 2 × 2 × 7 × 730571. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 9, 14, 27, 708, 177, 6405, 9156, 62017, 97309, 104586, 309245, 9909940, 94596, 57626038, 93656205, 772290813, 150426610, 5082115358, 5447224610

Basic calculations (n = 20455988)

Multiplication

n×y
n×2 40911976
n×3 61367964
n×4 81823952
n×5 102279940

Division

n÷y
n÷2 10227994
n÷3 6818662.6666667
n÷3 5113997
n÷5 4091197.6

Exponentiation

ny
n2 418447445056144
n3 8.5597559146991E+21
n4 1.7509826427401E+29
n5 3.5818079928101E+36

Nth Root

y√n
2√n 4522.8296452553
3√n 273.4891827184
4√n 67.251986180746
5√n 28.984385149859

Divisors of 20455988

1, 2, 4, 7, 14, 28, 730571, 1461142, 2922284, 5113997, 10227994, 20455988

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20455987
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20455988 can be divided by 12 positive divisors. The sum of these divisors (counting 20455988) is 1, the average is 0.083333333333333.

Base conversion 20455988

Base System Value
2 Binary 1001110000010001000110100
3 Ternary 1102111021100012
4 Quaternary 1032002020310
5 Quinary 20214042423
6 Senary 2010235352
8 Octal 116021064
10 Decimal 20455988
12 Duodecimal 6a25b58
16 Hexadecimal 1382234
20 Vigesimal 67gjj8
36 Base36 c6fxw

Cryptographic Hash Functions

md5 a25af3c8b1d63e13145838911cf92952
sha1 da53a026cfd734e6df0deabf81d870abbb581c6b
sha256 1d13b8803a18d0fb247813ff5c88cc9392a6056a5aae95108bdddc34ec8086d8
sha512 56a72ad802d7656dc7568e0c8adbfe8e0c9a95af757b3f7f184bda10feb579a79e88e5c1bb7397b045898d90918fb1ad5518f4931118f7e1fd04e6958386393e
ripemd-160 bf6793fcb1e7e56cb380a5076dc7f5cb0ba7ade2

20455988 as geometric shapes

Circle

Radius = n
Diameter 40911976
Circumference 128528763.24544
Area 1.3145914193018E+15

Sphere

Radius = n
Volume 3.5855021730854E+22
Surface area 5.2583656772072E+15
Circumference 128528763.24544

Square

Length = n
Perimeter 81823952
Area 418447445056144
Diagonal 28929135.661341

Cube

Length = n
Surface area 2510684670336864
Volume 8.5597559146991E+21
Space diagonal 35430810.535019

Equilateral Triangle

Length = n
Perimeter 61367964
Area 1.8119305878366E+14
Altitude 17715405.26751

Triangular Pyramid

Length = n
Surface area 1.8119305878366E+14
Volume 1.0087769087642E+21
Height 9643045.2204471