20921423 (number)

20921423 is an odd 8-digits composite number following 20921422 and preceding 20921424. In scientific notation, it is written as 2.0921423 × 10^7. The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors. There are 20873328 positive integers (up to 20921423) that are relatively prime to 20921423.

Interesting facts

Basic properties

Name

Name twenty million nine hundred twenty-one thousand four hundred twenty-three

Notation

Scientific notation 2.0921423 × 10^7
Engineering notation 2.0921423 × 10^6

Prime Factorization of 20921423

Prime Factorization 439 × 47657

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20921423
Product of the distinct prime numbers

The prime factorization of 20921423 is 439 × 47657. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 2, 39, 59, 197, 184, 9776, 9730, 3932, 90107, 697722, 811714, 8016366, 279190, 909279, 44690108, 254527106, 248375208, 6992463556, 8636262578

Basic calculations (n = 20921423)

Multiplication

n×y
n×2 41842846
n×3 62764269
n×4 83685692
n×5 104607115

Division

n÷y
n÷2 10460711.5
n÷3 6973807.6666667
n÷3 5230355.75
n÷5 4184284.6

Exponentiation

ny
n2 437705940344929
n3 9.157431127569E+21
n4 1.9158649021324E+29
n5 4.0082620028365E+36

Nth Root

y√n
2√n 4573.9942063802
3√n 275.54787964103
4√n 67.631310843279
5√n 29.115097182741

Divisors of 20921423

1, 439, 47657, 20921423

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20921422
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20921423 can be divided by 4 positive divisors. The sum of these divisors (counting 20921423) is 1, the average is 0.25.

Base conversion 20921423

Base System Value
2 Binary 1001111110011110001001111
3 Ternary 1110100220210112
4 Quaternary 1033303301033
5 Quinary 20323441143
6 Senary 2024230235
8 Octal 117636117
10 Decimal 20921423
12 Duodecimal 700b37b
16 Hexadecimal 13f3c4f
20 Vigesimal 6af3b3
36 Base36 cgf2n

Cryptographic Hash Functions

md5 008f96c0cd5c040c9b7dcdb841d0f9e9
sha1 3f0355c6c9446821da6b0243ad71f688a0c2790c
sha256 6ef38ab6a0a2a6ce8efa749b690cf18d5b19bfd37d34ad267910e776b048358f
sha512 30e95b385a0019dd7e58a9e3b11f5e519a8f22a9abbaef04c65c36224860639c4e1bcd58295bba8b5ea624b2960b22c4ca7c827541b0ea5e474a80fcf103973a
ripemd-160 89a3fae3c8fd664854e611ea6855e34ea032e50e

20921423 as geometric shapes

Circle

Radius = n
Diameter 41842846
Circumference 131453177.59889
Area 1.3750937666202E+15

Sphere

Radius = n
Volume 3.8358557808167E+22
Surface area 5.500375066481E+15
Circumference 131453177.59889

Square

Length = n
Perimeter 83685692
Area 437705940344929
Diagonal 29587360.150744

Cube

Length = n
Surface area 2626235642069574
Volume 9.157431127569E+21
Space diagonal 36236967.60264

Equilateral Triangle

Length = n
Perimeter 62764269
Area 1.8953223186303E+14
Altitude 18118483.80132

Triangular Pyramid

Length = n
Surface area 1.8953223186303E+14
Volume 1.0792136080921E+21
Height 9862453.3835815