20992721 (number)

20992721 is an odd 8-digits composite number following 20992720 and preceding 20992722. In scientific notation, it is written as 2.0992721 × 10^7. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 20079972 positive integers (up to 20992721) that are relatively prime to 20992721.

Interesting facts

Basic properties

Name

Name twenty million nine hundred ninety-two thousand seven hundred twenty-one

Notation

Scientific notation 2.0992721 × 10^7
Engineering notation 2.0992721 × 10^6

Prime Factorization of 20992721

Prime Factorization 23 × 912727

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20992721
Product of the distinct prime numbers

The prime factorization of 20992721 is 23 × 912727. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20992721)

Multiplication

n×y
n×2 41985442
n×3 62978163
n×4 83970884
n×5 104963605

Division

n÷y
n÷2 10496360.5
n÷3 6997573.6666667
n÷3 5248180.25
n÷5 4198544.2

Exponentiation

ny
n2 440694334983841
n3 9.2513732205963E+21
n4 1.9421149688685E+29
n5 4.077027769138E+36

Nth Root

y√n
2√n 4581.7814221108
3√n 275.86053743205
4√n 67.688857444271
5√n 29.134914422348

Divisors of 20992721

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 -20992720
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 20992721 can be divided by 4 positive divisors. The sum of these divisors (counting 20992721) is 1, the average is 0.25.

Base conversion 20992721

Base System Value
2 Binary 1010000000101001011010001
3 Ternary 1110111112121012
4 Quaternary 1100011023101
5 Quinary 20333231341
6 Senary 2025540305
8 Octal 120051321
10 Decimal 20992721
12 Duodecimal 7044695
16 Hexadecimal 14052d1
20 Vigesimal 6b41g1
36 Base36 chy35

Cryptographic Hash Functions

md5 4f1af8f9767228901639cba27a5c7d79
sha1 ae04bedef93c95c64a7b861c3237afda05a115fd
sha256 75518665fcbc95d74c049789e8fe839f3378e4bdbc249c2c4b449e1c437df73a
sha512 7cb2d8a7b03a576351de77b67ed1a0cfcca834aea14d58d441d1c937b05c94f125270c1bb7090a6069972626f4237dbd7bb2d54ab76efd2cb256cf21fcd710b9
ripemd-160 bcf6246e1de994928e4b048dce5b9798f04559c0

20992721 as geometric shapes

Circle

Radius = n
Diameter 41985442
Circumference 131901156.14492
Area 1.3844820852639E+15

Sphere

Radius = n
Volume 3.8752061527257E+22
Surface area 5.5379283410555E+15
Circumference 131901156.14492

Square

Length = n
Perimeter 83970884
Area 440694334983841
Diagonal 29688190.749314

Cube

Length = n
Surface area 2644166009903046
Volume 9.2513732205963E+21
Space diagonal 36360459.361118

Equilateral Triangle

Length = n
Perimeter 62978163
Area 1.9082624469995E+14
Altitude 18180229.680559

Triangular Pyramid

Length = n
Surface area 1.9082624469995E+14
Volume 1.0902847899285E+21
Height 9896063.5831048