20403894 (number)

20403894 is an even 8-digits composite number following 20403893 and preceding 20403895. In scientific notation, it is written as 2.0403894 × 10^7. The sum of its digits is 30. It has a total of 5 prime factors and 24 positive divisors. There are 5829600 positive integers (up to 20403894) that are relatively prime to 20403894.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0403894 × 10^7
Engineering notation 2.0403894 × 10^6

Prime Factorization of 20403894

Prime Factorization 2 × 3 × 7 × 7 × 69401

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 2914842
Product of the distinct prime numbers

The prime factorization of 20403894 is 2 × 3 × 7 × 7 × 69401. Since it has a total of 5 prime factors.

Most popular turbo-numbers

9, 4, 74, 65, 991, 915, 7043, 922, 90871, 2507, 700998, 357249, 2594912, 9396501, 4317253, 10134874, 305592473, 435604902, 3505176689, 2119925514

Basic calculations (n = 20403894)

Multiplication

n×y
n×2 40807788
n×3 61211682
n×4 81615576
n×5 102019470

Division

n÷y
n÷2 10201947
n÷3 6801298
n÷3 5100973.5
n÷5 4080778.8

Exponentiation

ny
n2 416318890363236
n3 8.4945265091691E+21
n4 1.7332141847328E+29
n5 3.5364318504584E+36

Nth Root

y√n
2√n 4517.0669687309
3√n 273.25682603254
4√n 67.209128611603
5√n 28.969607540537

Divisors of 20403894

1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 69401, 138802, 208203, 416406, 485807, 971614, 1457421, 2914842, 3400649, 6801298, 10201947, 20403894

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 -20403893
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 20403894 can be divided by 24 positive divisors. The sum of these divisors (counting 20403894) is 1, the average is 0.041666666666667.

Base conversion 20403894

Base System Value
2 Binary 1001101110101011010110110
3 Ternary 1102101121212210
4 Quaternary 1031311122312
5 Quinary 20210411034
6 Senary 2005154250
8 Octal 115653266
10 Decimal 20403894
12 Duodecimal 69bb986
16 Hexadecimal 13756b6
20 Vigesimal 67a9ee
36 Base36 c5bqu

Cryptographic Hash Functions

md5 65807c26289d93fb75183af60ea86f0b
sha1 3ad3f62a2bc1ba7a5de72157afca32bc4ba80ffa
sha256 8a3edc1c90e36aa6221c6d8806e10fe3adf479fe62cd01c70bb1e858e13d8835
sha512 860d9dc70155b46022aace63f5481fa057fd306d2063d3692932355ce8e2294afbfbd8f3d02bc8a94348617109837b8c55cc121569ca688d15f03ba8444a7644
ripemd-160 2d94af3f699ba6df76f5db1d49d9074a9853428f

20403894 as geometric shapes

Circle

Radius = n
Diameter 40807788
Circumference 128201446.99005
Area 1.3079043675158E+15

Sphere

Radius = n
Volume 3.5581789435906E+22
Surface area 5.2316174700632E+15
Circumference 128201446.99005

Square

Length = n
Perimeter 81615576
Area 416318890363236
Diagonal 28855463.620023

Cube

Length = n
Surface area 2497913342179416
Volume 8.4945265091691E+21
Space diagonal 35340581.08025

Equilateral Triangle

Length = n
Perimeter 61211682
Area 1.8027136756496E+14
Altitude 17670290.540125

Triangular Pyramid

Length = n
Surface area 1.8027136756496E+14
Volume 1.0010895496004E+21
Height 9618487.873341