20409894 (number)

20409894 is an even 8-digits composite number following 20409893 and preceding 20409895. In scientific notation, it is written as 2.0409894 × 10^7. The sum of its digits is 36. It has a total of 5 prime factors and 24 positive divisors. There are 6402240 positive integers (up to 20409894) that are relatively prime to 20409894.

Interesting facts

Basic properties

Name

Name twenty million four hundred nine thousand eight hundred ninety-four

Notation

Scientific notation 2.0409894 × 10^7
Engineering notation 2.0409894 × 10^6

Prime Factorization of 20409894

Prime Factorization 2 × 9 × 9 × 17 × 7411

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 2267766
Product of the distinct prime numbers

The prime factorization of 20409894 is 2 × 9 × 9 × 17 × 7411. Since it has a total of 5 prime factors.

Most popular turbo-numbers

1, 10, 29, 34, 325, 346, 1332, 1026, 33416, 75066, 185263, 776575, 6324929, 2517793, 69223339, 67381506, 237115260, 717541905, 3312834407, 4648879568

Basic calculations (n = 20409894)

Multiplication

n×y
n×2 40819788
n×3 61229682
n×4 81639576
n×5 102049470

Division

n÷y
n÷2 10204947
n÷3 6803298
n÷3 5102473.5
n÷5 4081978.8

Exponentiation

ny
n2 416563773091236
n3 8.5020224530322E+21
n4 1.7352537705201E+29
n5 3.5416345519415E+36

Nth Root

y√n
2√n 4517.7310676932
3√n 273.28360817968
4√n 67.214068971408
5√n 28.971311109509

Divisors of 20409894

1, 2, 9, 17, 18, 34, 81, 153, 162, 306, 1377, 2754, 7411, 14822, 66699, 125987, 133398, 251974, 600291, 1133883, 1200582, 2267766, 10204947, 20409894

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 -20409893
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 20409894 can be divided by 24 positive divisors. The sum of these divisors (counting 20409894) is 1, the average is 0.041666666666667.

Base conversion 20409894

Base System Value
2 Binary 1001101110110111000100110
3 Ternary 1102101221010000
4 Quaternary 1031312320212
5 Quinary 20211104034
6 Senary 2005242130
8 Octal 115667046
10 Decimal 20409894
12 Duodecimal 6a03346
16 Hexadecimal 1376e26
20 Vigesimal 67b4ee
36 Base36 c5gdi

Cryptographic Hash Functions

md5 965270264b8f1f05bfa21ade32e3d491
sha1 ab37e9a9b1a47e4f264c9325c288e86bd5551b80
sha256 a99c4f53e74343845cfbb7ca89619405d0db23563311b7805b3520a00919ccc2
sha512 04bc57b32e8c9c0c1a1d0227b3c69113ff16b528b99b13e7fa3f685a1ff7815655213672df8c5721c9f74cd0cdb512c75e1fa7be02c01dda67d13138d6123e89
ripemd-160 1d89d704fefb23889f451978538196b1d9c004dd

20409894 as geometric shapes

Circle

Radius = n
Diameter 40819788
Circumference 128239146.10189
Area 1.3086736892951E+15

Sphere

Radius = n
Volume 3.5613188372135E+22
Surface area 5.2346947571803E+15
Circumference 128239146.10189

Square

Length = n
Perimeter 81639576
Area 416563773091236
Diagonal 28863948.901397

Cube

Length = n
Surface area 2499382638547416
Volume 8.5020224530322E+21
Space diagonal 35350973.385095

Equilateral Triangle

Length = n
Perimeter 61229682
Area 1.8037740489665E+14
Altitude 17675486.692548

Triangular Pyramid

Length = n
Surface area 1.8037740489665E+14
Volume 1.0019729550566E+21
Height 9621316.3004658