20802405 (number)

20802405 is an odd 8-digits composite number following 20802404 and preceding 20802406. In scientific notation, it is written as 2.0802405 × 10^7. The sum of its digits is 21. It has a total of 4 prime factors and 16 positive divisors. There are 10135296 positive integers (up to 20802405) that are relatively prime to 20802405.

Interesting facts

Basic properties

Name

Name twenty million eight hundred two thousand four hundred five

Notation

Scientific notation 2.0802405 × 10^7
Engineering notation 2.0802405 × 10^6

Prime Factorization of 20802405

Prime Factorization 321 × 5 × 13 × 997

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20802405
Product of the distinct prime numbers

The prime factorization of 20802405 is 321 × 5 × 13 × 997. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 4, 10, 23, 952, 764, 2362, 5291, 41910, 85429, 307925, 195147, 192563, 3022835, 69334449, 25317878, 451272710, 523634123, 6147239338, 9973206822

Basic calculations (n = 20802405)

Multiplication

n×y
n×2 41604810
n×3 62407215
n×4 83209620
n×5 104012025

Division

n÷y
n÷2 10401202.5
n÷3 6934135
n÷3 5200601.25
n÷5 4160481

Exponentiation

ny
n2 432740053784025
n3 9.0020338585371E+21
n4 1.87263954149E+29
n5 3.8955406161089E+36

Nth Root

y√n
2√n 4560.9653583425
3√n 275.02437249552
4√n 67.534919547908
5√n 29.081895494201

Divisors of 20802405

1, 5, 13, 65, 321, 997, 1605, 4173, 4985, 12961, 20865, 64805, 320037, 1600185, 4160481, 20802405

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 -20802404
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 20802405 can be divided by 16 positive divisors. The sum of these divisors (counting 20802405) is 1, the average is 0.0625.

Base conversion 20802405

Base System Value
2 Binary 1001111010110101101100101
3 Ternary 1110010212112110
4 Quaternary 1033112231211
5 Quinary 20311134110
6 Senary 2021511233
8 Octal 117265545
10 Decimal 20802405
12 Duodecimal 6b72519
16 Hexadecimal 13d6b65
20 Vigesimal 6a0605
36 Base36 cdv8l

Cryptographic Hash Functions

md5 e262b99aea4a1c7a921cbfa5a205a936
sha1 0cf119be480a9fea13ccc385b18947a9a5fc6a27
sha256 2a301cc55731c86e8858faf9abd2f73d9af604cdf2e50fe33d90b2e9024a773a
sha512 5573b5e32d2e4c0d2d2d9f219ab5b295e6a9ae1638b29959f7ca011726367dcd7042c4d457a702c59e36d80a86c5330b3de1e5b7718b493befe11a6de04232c3
ripemd-160 fe9f9e1a72ed05699c4164ced7f4473f319a696b

20802405 as geometric shapes

Circle

Radius = n
Diameter 41604810
Circumference 130705365.45
Area 1.3594929738819E+15

Sphere

Radius = n
Volume 3.7707631249796E+22
Surface area 5.4379718955278E+15
Circumference 130705365.45

Square

Length = n
Perimeter 83209620
Area 432740053784025
Diagonal 29419043.280978

Cube

Length = n
Surface area 2596440322704150
Volume 9.0020338585371E+21
Space diagonal 36030822.379625

Equilateral Triangle

Length = n
Perimeter 62407215
Area 1.87381939906E+14
Altitude 18015411.189812

Triangular Pyramid

Length = n
Surface area 1.87381939906E+14
Volume 1.0608998643071E+21
Height 9806347.760326