20405908 (number)

20405908 is an even 8-digits composite number following 20405907 and preceding 20405909. In scientific notation, it is written as 2.0405908 × 10^7. The sum of its digits is 28. It has a total of 5 prime factors and 24 positive divisors. There are 9619680 positive integers (up to 20405908) that are relatively prime to 20405908.

Interesting facts

Basic properties

Name

Name twenty million four hundred five thousand nine hundred eight

Notation

Scientific notation 2.0405908 × 10^7
Engineering notation 2.0405908 × 10^6

Prime Factorization of 20405908

Prime Factorization 2 × 2 × 29 × 43 × 4091

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10202954
Product of the distinct prime numbers

The prime factorization of 20405908 is 2 × 2 × 29 × 43 × 4091. Since it has a total of 5 prime factors.

Most popular turbo-numbers

6, 6, 94, 74, 859, 968, 5858, 5401, 18485, 88481, 870394, 611354, 3590905, 3985714, 80485314, 18510131, 677653808, 942823923, 5957313544, 2045170379

Basic calculations (n = 20405908)

Multiplication

n×y
n×2 40811816
n×3 61217724
n×4 81623632
n×5 102029540

Division

n÷y
n÷2 10202954
n÷3 6801969.3333333
n÷3 5101477
n÷5 4081181.6

Exponentiation

ny
n2 416401081304464
n3 8.4970421561994E+21
n4 1.7338986051153E+29
n5 3.538177541731E+36

Nth Root

y√n
2√n 4517.2898955015
3√n 273.26581649193
4√n 67.210787047181
5√n 28.970179416534

Divisors of 20405908

1, 2, 4, 29, 43, 58, 86, 116, 172, 1247, 2494, 4091, 4988, 8182, 16364, 118639, 175913, 237278, 351826, 474556, 703652, 5101477, 10202954, 20405908

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 -20405907
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 20405908 can be divided by 24 positive divisors. The sum of these divisors (counting 20405908) is 1, the average is 0.041666666666667.

Base conversion 20405908

Base System Value
2 Binary 1001101110101111010010100
3 Ternary 1102101201122101
4 Quaternary 1031311322110
5 Quinary 20210442113
6 Senary 2005211444
8 Octal 115657224
10 Decimal 20405908
12 Duodecimal 6a00b84
16 Hexadecimal 1375e94
20 Vigesimal 67aef8
36 Base36 c5das

Cryptographic Hash Functions

md5 aebdaa3b9aca12c3b21f598be256a11c
sha1 0983eb1ab0af88765d73d5246fce7c18688d7f89
sha256 95558a27d9a302a57e5ec3aad30396b413c8b7003ef7050be824c49a8d1526c6
sha512 d2a62ab4f20f17b513ab2e5429a60d17ac02eb1751d2ace5b20cf339be3c9463503edaf20087f1e52e4618e5293441517e4801d7a1957a4cfd30384bfd49d353
ripemd-160 2eb13be4a6fd04d20a135e4e45d349a151883f6d

20405908 as geometric shapes

Circle

Radius = n
Diameter 40811816
Circumference 128214101.32526
Area 1.308162577973E+15

Sphere

Radius = n
Volume 3.5592326953545E+22
Surface area 5.2326503118918E+15
Circumference 128214101.32526

Square

Length = n
Perimeter 81623632
Area 416401081304464
Diagonal 28858311.846138

Cube

Length = n
Surface area 2498406487826784
Volume 8.4970421561994E+21
Space diagonal 35344069.430576

Equilateral Triangle

Length = n
Perimeter 61217724
Area 1.8030695728649E+14
Altitude 17672034.715288

Triangular Pyramid

Length = n
Surface area 1.8030695728649E+14
Volume 1.0013860214461E+21
Height 9619437.2820459