20405844 (number)

20405844 is an even 8-digits composite number following 20405843 and preceding 20405845. In scientific notation, it is written as 2.0405844 × 10^7. The sum of its digits is 27. It has a total of 5 prime factors and 24 positive divisors. There are 6801840 positive integers (up to 20405844) that are relatively prime to 20405844.

Interesting facts

Basic properties

Name

Name twenty million four hundred five thousand eight hundred forty-four

Notation

Scientific notation 2.0405844 × 10^7
Engineering notation 2.0405844 × 10^6

Prime Factorization of 20405844

Prime Factorization 2 × 2 × 27 × 3 × 62981

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10202922
Product of the distinct prime numbers

The prime factorization of 20405844 is 2 × 2 × 27 × 3 × 62981. Since it has a total of 5 prime factors.

Most popular turbo-numbers

6, 10, 81, 5, 415, 826, 2662, 121, 7021, 38638, 447305, 948912, 5618880, 1295009, 10913190, 22603478, 101498254, 645541046, 8607949955, 4008723979

Basic calculations (n = 20405844)

Multiplication

n×y
n×2 40811688
n×3 61217532
n×4 81623376
n×5 102029220

Division

n÷y
n÷2 10202922
n÷3 6801948
n÷3 5101461
n÷5 4081168.8

Exponentiation

ny
n2 416398469352336
n3 8.4969622074425E+21
n4 1.7338768527897E+29
n5 3.5381220573237E+36

Nth Root

y√n
2√n 4517.2828116026
3√n 273.2655308062
4√n 67.210734348038
5√n 28.970161244407

Divisors of 20405844

1, 2, 3, 4, 6, 12, 27, 54, 81, 108, 162, 324, 62981, 125962, 188943, 251924, 377886, 755772, 1700487, 3400974, 5101461, 6801948, 10202922, 20405844

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20405843
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20405844 can be divided by 24 positive divisors. The sum of these divisors (counting 20405844) is 1, the average is 0.041666666666667.

Base conversion 20405844

Base System Value
2 Binary 1001101110101111001010100
3 Ternary 1102101201120000
4 Quaternary 1031311321110
5 Quinary 20210441334
6 Senary 2005211300
8 Octal 115657124
10 Decimal 20405844
12 Duodecimal 6a00b30
16 Hexadecimal 1375e54
20 Vigesimal 67aec4
36 Base36 c5d90

Cryptographic Hash Functions

md5 52e18d5fd88e9e1f6a0ce032ccab418e
sha1 b7d0a47e53acb5ea42c3be850dbd689455576645
sha256 672235dce738ef2ef7249d8d273123b9389fc6dd6b0f4982721fce917df3d451
sha512 d8ab7b558f383fb876adc82ab35e1b5d1c43b4f3ea84e751470196b88cf61100ba709a41d9cbc7f22ea7516e46a9e56b437d52f04b153909dcceb8c3c2e1c44e
ripemd-160 f57eac72a117452e281620400be65d11c3a007bd

20405844 as geometric shapes

Circle

Radius = n
Diameter 40811688
Circumference 128213699.2014
Area 1.3081543722833E+15

Sphere

Radius = n
Volume 3.5591992064975E+22
Surface area 5.2326174891333E+15
Circumference 128213699.2014

Square

Length = n
Perimeter 81623376
Area 416398469352336
Diagonal 28858221.33647

Cube

Length = n
Surface area 2498390816114016
Volume 8.4969622074425E+21
Space diagonal 35343958.579325

Equilateral Triangle

Length = n
Perimeter 61217532
Area 1.8030582627804E+14
Altitude 17671979.289662

Triangular Pyramid

Length = n
Surface area 1.8030582627804E+14
Volume 1.0013765993947E+21
Height 9619407.1121565