20921874 (number)

20921874 is an even 8-digits composite number following 20921873 and preceding 20921875. In scientific notation, it is written as 2.0921874 × 10^7. The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors. There are 6973956 positive integers (up to 20921874) that are relatively prime to 20921874.

Interesting facts

Basic properties

Name

Name twenty million nine hundred twenty-one thousand eight hundred seventy-four

Notation

Scientific notation 2.0921874 × 10^7
Engineering notation 2.0921874 × 10^6

Prime Factorization of 20921874

Prime Factorization 2 × 3 × 3486979

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20921874
Product of the distinct prime numbers

The prime factorization of 20921874 is 2 × 3 × 3486979. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20921874)

Multiplication

n×y
n×2 41843748
n×3 62765622
n×4 83687496
n×5 104609370

Division

n÷y
n÷2 10460937
n÷3 6973958
n÷3 5230468.5
n÷5 4184374.8

Exponentiation

ny
n2 437724811671876
n3 9.1580233564727E+21
n4 1.9160301075318E+29
n5 4.0086940489987E+36

Nth Root

y√n
2√n 4574.0435065705
3√n 275.54985960834
4√n 67.631675319857
5√n 29.115222707621

Divisors of 20921874

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20921873
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20921874 can be divided by 8 positive divisors. The sum of these divisors (counting 20921874) is 1, the average is 0.125.

Base conversion 20921874

Base System Value
2 Binary 1001111110011111000010010
3 Ternary 1110100221102020
4 Quaternary 1033303320102
5 Quinary 20323444444
6 Senary 2024232310
8 Octal 117637022
10 Decimal 20921874
12 Duodecimal 700b696
16 Hexadecimal 13f3e12
20 Vigesimal 6af4de
36 Base36 cgff6

Cryptographic Hash Functions

md5 8ee19b1ae554ff4698eb8dfe59d1c072
sha1 1b225019e4fbc8c1e9a775fe3cbea409f5cb9432
sha256 36d4ad36faef9470ba02db753618533a8d7c3828031dd03f6f67306ecfedf905
sha512 4e195e1a5100c42fa15dac2cea6da61b6102d8ae0adfccd70e61fdcb1965eaa7d7010efdab296a86d8329c9ad6d0df0a4f44a9c374f2e0245320791d76ec6b8a
ripemd-160 8675cb442dd1849bbc184fdfeb9beee24a12761b

20921874 as geometric shapes

Circle

Radius = n
Diameter 41843748
Circumference 131456011.31546
Area 1.3751530526423E+15

Sphere

Radius = n
Volume 3.8361038530798E+22
Surface area 5.5006122105694E+15
Circumference 131456011.31546

Square

Length = n
Perimeter 83687496
Area 437724811671876
Diagonal 29587997.961061

Cube

Length = n
Surface area 2626348870031256
Volume 9.1580233564727E+21
Space diagonal 36237748.757554

Equilateral Triangle

Length = n
Perimeter 62765622
Area 1.895404033873E+14
Altitude 18118874.378777

Triangular Pyramid

Length = n
Surface area 1.895404033873E+14
Volume 1.0792834029378E+21
Height 9862665.9870203