20402890 (number)

20402890 is an even 8-digits composite number following 20402889 and preceding 20402891. In scientific notation, it is written as 2.0402890 × 10^7. The sum of its digits is 25. It has a total of 4 prime factors and 16 positive divisors. There are 7681024 positive integers (up to 20402890) that are relatively prime to 20402890.

Interesting facts

Basic properties

Name

Name twenty million four hundred two thousand eight hundred ninety

Notation

Scientific notation 2.0402890 × 10^7
Engineering notation 2.0402890 × 10^6

Prime Factorization of 20402890

Prime Factorization 2 × 5 × 17 × 120017

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20402890
Product of the distinct prime numbers

The prime factorization of 20402890 is 2 × 5 × 17 × 120017. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 5, 68, 7, 566, 719, 3037, 5621, 25907, 39768, 806929, 573863, 6891059, 4794930, 53562779, 76772767, 253107434, 225127744, 5271900719, 758889165

Basic calculations (n = 20402890)

Multiplication

n×y
n×2 40805780
n×3 61208670
n×4 81611560
n×5 102014450

Division

n÷y
n÷2 10201445
n÷3 6800963.3333333
n÷3 5100722.5
n÷5 4080578

Exponentiation

ny
n2 416277920352100
n3 8.4932726183727E+21
n4 1.7328730697267E+29
n5 3.5355618625596E+36

Nth Root

y√n
2√n 4516.9558333019
3√n 273.25234397382
4√n 67.208301818316
5√n 28.969322437522

Divisors of 20402890

1, 2, 5, 10, 17, 34, 85, 170, 120017, 240034, 600085, 1200170, 2040289, 4080578, 10201445, 20402890

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 -20402889
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 20402890 can be divided by 16 positive divisors. The sum of these divisors (counting 20402890) is 1, the average is 0.0625.

Base conversion 20402890

Base System Value
2 Binary 1001101110101001011001010
3 Ternary 1102101120111121
4 Quaternary 1031311023022
5 Quinary 20210343030
6 Senary 2005145454
8 Octal 115651312
10 Decimal 20402890
12 Duodecimal 69bb28a
16 Hexadecimal 13752ca
20 Vigesimal 67a74a
36 Base36 c5ayy

Cryptographic Hash Functions

md5 14d47bfaccb336747ffc2eda83284b79
sha1 86980b2e8db3c9436f337f0a94330e4475642ec9
sha256 649fc7a8eb6cb6a68140d87c80580fc88c51ad5b33c8bb7139d156f4854838e4
sha512 6599d13c8f17bf8f84347151e871e7f0c8453a088dcf8e60e5ed73a44e5523a382978bf2418ac79dd9031352c7c4926712f9e5d4d31c9e8dc67676b6ad2bd37a
ripemd-160 d3783b98056c24eb307a5906abcef4b951b469d8

20402890 as geometric shapes

Circle

Radius = n
Diameter 40805780
Circumference 128195138.672
Area 1.3077756564298E+15

Sphere

Radius = n
Volume 3.557653715042E+22
Surface area 5.2311026257192E+15
Circumference 128195138.672

Square

Length = n
Perimeter 81611560
Area 416277920352100
Diagonal 28854043.749606

Cube

Length = n
Surface area 2497667522112600
Volume 8.4932726183727E+21
Space diagonal 35338842.101239

Equilateral Triangle

Length = n
Perimeter 61208670
Area 1.8025362702974E+14
Altitude 17669421.050619

Triangular Pyramid

Length = n
Surface area 1.8025362702974E+14
Volume 1.0009417771529E+21
Height 9618014.5832021