20402645 (number)

20402645 is an odd 8-digits composite number following 20402644 and preceding 20402646. In scientific notation, it is written as 2.0402645 × 10^7. The sum of its digits is 23. It has a total of 4 prime factors and 16 positive divisors. There are 15980160 positive integers (up to 20402645) that are relatively prime to 20402645.

Interesting facts

Basic properties

Name

Name twenty million four hundred two thousand six hundred forty-five

Notation

Scientific notation 2.0402645 × 10^7
Engineering notation 2.0402645 × 10^6

Prime Factorization of 20402645

Prime Factorization 5 × 83 × 211 × 233

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20402645
Product of the distinct prime numbers

The prime factorization of 20402645 is 5 × 83 × 211 × 233. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 5, 76, 63, 204, 900, 2935, 7480, 99431, 89510, 301484, 927717, 7204969, 964877, 70724351, 45641652, 619431689, 997347282, 2116707236, 4148363003

Basic calculations (n = 20402645)

Multiplication

n×y
n×2 40805290
n×3 61207935
n×4 81610580
n×5 102013225

Division

n÷y
n÷2 10201322.5
n÷3 6800881.6666667
n÷3 5100661.25
n÷5 4080529

Exponentiation

ny
n2 416267922996025
n3 8.4929666577752E+21
n4 1.7327898371542E+29
n5 3.5353495907066E+36

Nth Root

y√n
2√n 4516.9287131855
3√n 273.25125022203
4√n 67.208100056359
5√n 28.969252863868

Divisors of 20402645

1, 5, 83, 211, 233, 415, 1055, 1165, 17513, 19339, 49163, 87565, 96695, 245815, 4080529, 20402645

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 -20402644
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 20402645 can be divided by 16 positive divisors. The sum of these divisors (counting 20402645) is 1, the average is 0.0625.

Base conversion 20402645

Base System Value
2 Binary 1001101110101000111010101
3 Ternary 1102101120011112
4 Quaternary 1031311013111
5 Quinary 20210341040
6 Senary 2005144405
8 Octal 115650725
10 Decimal 20402645
12 Duodecimal 69bb105
16 Hexadecimal 13751d5
20 Vigesimal 67a6c5
36 Base36 c5as5

Cryptographic Hash Functions

md5 6274fa89d375d06d82689caa1fb097a0
sha1 d34fa9457958c0245f2ce97c1e71ab052e4474b0
sha256 5753208acff7c14bd3be30ff4ff38e075ddaf0a03f4d94b34dffa6f7df845d9a
sha512 a6e556f7d65f83f6cf6f02c15de397a5e4d68a367b337c729c87a5454bba3aa8e017c009971378c7e5d6dbcce01cea0cbb883e4791b463298c194930bb05a517
ripemd-160 770048d7bc3abbe1ec373490b518d90c66d44390

20402645 as geometric shapes

Circle

Radius = n
Diameter 40805290
Circumference 128193599.2916
Area 1.3077442488094E+15

Sphere

Radius = n
Volume 3.5575255545666E+22
Surface area 5.2309769952376E+15
Circumference 128193599.2916

Square

Length = n
Perimeter 81610580
Area 416267922996025
Diagonal 28853697.267284

Cube

Length = n
Surface area 2497607537976150
Volume 8.4929666577752E+21
Space diagonal 35338417.748791

Equilateral Triangle

Length = n
Perimeter 61207935
Area 1.8024929804757E+14
Altitude 17669208.874396

Triangular Pyramid

Length = n
Surface area 1.8024929804757E+14
Volume 1.0009057193507E+21
Height 9617899.0890945