20403487 (number)

20403487 is an odd 8-digits composite number following 20403486 and preceding 20403488. In scientific notation, it is written as 2.0403487 × 10^7. The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors. There are 18063360 positive integers (up to 20403487) that are relatively prime to 20403487.

Interesting facts

Basic properties

Name

Name twenty million four hundred three thousand four hundred eighty-seven

Notation

Scientific notation 2.0403487 × 10^7
Engineering notation 2.0403487 × 10^6

Prime Factorization of 20403487

Prime Factorization 13 × 31 × 257 × 197

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20403487
Product of the distinct prime numbers

The prime factorization of 20403487 is 13 × 31 × 257 × 197. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 5, 40, 42, 829, 575, 992, 9638, 75716, 44809, 310590, 182051, 2571558, 4787307, 75576416, 92588748, 10919387, 964972964, 8890375214, 4155516165

Basic calculations (n = 20403487)

Multiplication

n×y
n×2 40806974
n×3 61210461
n×4 81613948
n×5 102017435

Division

n÷y
n÷2 10201743.5
n÷3 6801162.3333333
n÷3 5100871.75
n÷5 4080697.4

Exponentiation

ny
n2 416302281759169
n3 8.4940181939435E+21
n4 1.7330758979789E+29
n5 3.5360791554426E+36

Nth Root

y√n
2√n 4517.0219171485
3√n 273.25500912008
4√n 67.208793451069
5√n 28.969491967261

Divisors of 20403487

1, 13, 31, 197, 257, 403, 2561, 3341, 6107, 7967, 50629, 79391, 103571, 658177, 1569499, 20403487

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20403486
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20403487 can be divided by 16 positive divisors. The sum of these divisors (counting 20403487) is 1, the average is 0.0625.

Base conversion 20403487

Base System Value
2 Binary 1001101110101010100011111
3 Ternary 1102101121022201
4 Quaternary 1031311110133
5 Quinary 20210402422
6 Senary 2005152331
8 Octal 115652437
10 Decimal 20403487
12 Duodecimal 69bb6a7
16 Hexadecimal 137551f
20 Vigesimal 67a8e7
36 Base36 c5bfj

Cryptographic Hash Functions

md5 c070721a2a7d178ba5aa1f1eed55c9e8
sha1 76183744003749666953cf752014e7c1246cd59e
sha256 2af73237ae9444cbc8763b6082cd1281bd5991cc836b64fabc998bd936e1194d
sha512 1dcdbccb58f1b140998ea0fa2c2252a5c4b2f57eab4e9307d8a8dbc75109e90a640ff7ed40600e3b5b88640c1dbf548d099c74fb922a9bc5100aa608497522c8
ripemd-160 5d1a7c1443eb7ab5cdffe9bcf86ac7a93855adba

20403487 as geometric shapes

Circle

Radius = n
Diameter 40806974
Circumference 128198889.73363
Area 1.3078521900473E+15

Sphere

Radius = n
Volume 3.5579660210068E+22
Surface area 5.2314087601891E+15
Circumference 128198889.73363

Square

Length = n
Perimeter 81613948
Area 416302281759169
Diagonal 28854888.035103

Cube

Length = n
Surface area 2497813690555014
Volume 8.4940181939435E+21
Space diagonal 35339876.135571

Equilateral Triangle

Length = n
Perimeter 61210461
Area 1.8026417582843E+14
Altitude 17669938.067786

Triangular Pyramid

Length = n
Surface area 1.8026417582843E+14
Volume 1.0010296440766E+21
Height 9618296.011701