20402788 (number)

20402788 is an even 8-digits composite number following 20402787 and preceding 20402789. In scientific notation, it is written as 2.0402788 × 10^7. The sum of its digits is 31. It has a total of 4 prime factors and 12 positive divisors. There are 8229504 positive integers (up to 20402788) that are relatively prime to 20402788.

Interesting facts

Basic properties

Name

Name twenty million four hundred two thousand seven hundred eighty-eight

Notation

Scientific notation 2.0402788 × 10^7
Engineering notation 2.0402788 × 10^6

Prime Factorization of 20402788

Prime Factorization 2 × 2 × 119 × 42863

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10201394
Product of the distinct prime numbers

The prime factorization of 20402788 is 2 × 2 × 119 × 42863. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 10, 68, 41, 557, 278, 7965, 938, 13122, 37032, 609922, 118875, 4753505, 3991385, 34793493, 99670950, 145412820, 921104396, 5078925465, 9213528253

Basic calculations (n = 20402788)

Multiplication

n×y
n×2 40805576
n×3 61208364
n×4 81611152
n×5 102013940

Division

n÷y
n÷2 10201394
n÷3 6800929.3333333
n÷3 5100697
n÷5 4080557.6

Exponentiation

ny
n2 416273758172944
n3 8.4931452379658E+21
n4 1.7328384174343E+29
n5 3.5354734869167E+36

Nth Root

y√n
2√n 4516.9445424977
3√n 273.251888617
4√n 67.208217819681
5√n 28.969293472246

Divisors of 20402788

1, 2, 4, 119, 238, 476, 42863, 85726, 171452, 5100697, 10201394, 20402788

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 -20402787
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 20402788 can be divided by 12 positive divisors. The sum of these divisors (counting 20402788) is 1, the average is 0.083333333333333.

Base conversion 20402788

Base System Value
2 Binary 1001101110101001001100100
3 Ternary 1102101120100211
4 Quaternary 1031311021210
5 Quinary 20210342123
6 Senary 2005145204
8 Octal 115651144
10 Decimal 20402788
12 Duodecimal 69bb204
16 Hexadecimal 1375264
20 Vigesimal 67a6j8
36 Base36 c5aw4

Cryptographic Hash Functions

md5 4bfa8f1d4b9f63e59af2932cb231af84
sha1 ae30d5578bf24dc11b038ef4f3b8f955ca4de5e9
sha256 e13823a552fdb77fc30f6a25174171582d2599d44e51b39b7c0cbd5c2770a48e
sha512 3282b56ede438a55795d922837a03187be1fda2fe1f186a7954ea4c7256381a06f3be7d69cfed13106795f89c9e9ec11b8fc2014380d11989eae474117d9e210
ripemd-160 f847aece601efae7db2ce69926fb716152cbc44d

20402788 as geometric shapes

Circle

Radius = n
Diameter 40805576
Circumference 128194497.7871
Area 1.3077625805583E+15

Sphere

Radius = n
Volume 3.557600358062E+22
Surface area 5.2310503222333E+15
Circumference 128194497.7871

Square

Length = n
Perimeter 81611152
Area 416273758172944
Diagonal 28853899.499823

Cube

Length = n
Surface area 2497642549037664
Volume 8.4931452379658E+21
Space diagonal 35338665.432057

Equilateral Triangle

Length = n
Perimeter 61208364
Area 1.8025182475329E+14
Altitude 17669332.716028

Triangular Pyramid

Length = n
Surface area 1.8025182475329E+14
Volume 1.000926765228E+21
Height 9617966.499941