20991024 (number)

20991024 is an even 8-digits composite number following 20991023 and preceding 20991025. In scientific notation, it is written as 2.0991024 × 10^7. The sum of its digits is 27. It has a total of 6 prime factors and 20 positive divisors. There are 6996960 positive integers (up to 20991024) that are relatively prime to 20991024.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0991024 × 10^7
Engineering notation 2.0991024 × 10^6

Prime Factorization of 20991024

Prime Factorization 2 × 2 × 2 × 2 × 9 × 145771

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 2623878
Product of the distinct prime numbers

The prime factorization of 20991024 is 2 × 2 × 2 × 2 × 9 × 145771. Since it has a total of 6 prime factors.

Most popular turbo-numbers

8, 3, 32, 39, 392, 293, 8555, 1899, 81611, 7480, 435483, 183044, 1989126, 4745160, 26867281, 28644263, 656502196, 257787409, 5177981094, 5232412946

Basic calculations (n = 20991024)

Multiplication

n×y
n×2 41982048
n×3 62973072
n×4 83964096
n×5 104955120

Division

n÷y
n÷2 10495512
n÷3 6997008
n÷3 5247756
n÷5 4198204.8

Exponentiation

ny
n2 440623088568576
n3 9.2491298270971E+21
n4 1.9414870617971E+29
n5 4.0753801509873E+36

Nth Root

y√n
2√n 4581.5962283903
3√n 275.85310393567
4√n 67.687489452559
5√n 29.134443368133

Divisors of 20991024

1, 2, 4, 8, 9, 16, 18, 36, 72, 144, 145771, 291542, 583084, 1166168, 1311939, 2332336, 2623878, 5247756, 10495512, 20991024

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20991023
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20991024 can be divided by 20 positive divisors. The sum of these divisors (counting 20991024) is 1, the average is 0.05.

Base conversion 20991024

Base System Value
2 Binary 1010000000100110000110000
3 Ternary 1110111110021100
4 Quaternary 1100010300300
5 Quinary 20333203044
6 Senary 2025524400
8 Octal 120046060
10 Decimal 20991024
12 Duodecimal 7043700
16 Hexadecimal 1404c30
20 Vigesimal 6b3hb4
36 Base36 chws0

Cryptographic Hash Functions

md5 1b1ddfe575a0cb9a9f82972887cb03f2
sha1 fe47983c12039aa1a230a298750a1337547fe9c4
sha256 f3fe40db8411c704687dd9e44eaa5404f4a7dab60dd9aba001ee25ccbd58fefa
sha512 0b50b55ba9f37c1d8e2d5d1f7345a96dd71d243651898c4f503dbc2c3cc2c1034985c85f092ea27cb115068c83b3d04238bf2153b8f45a9a36d2567ce9226394
ripemd-160 f323745c2bf9e7c20e08d995f9aede3e7d5989eb

20991024 as geometric shapes

Circle

Radius = n
Diameter 41982048
Circumference 131890493.57945
Area 1.3842582580491E+15

Sphere

Radius = n
Volume 3.8742664422542E+22
Surface area 5.5370330321963E+15
Circumference 131890493.57945

Square

Length = n
Perimeter 83964096
Area 440623088568576
Diagonal 29685790.828899

Cube

Length = n
Surface area 2643738531411456
Volume 9.2491298270971E+21
Space diagonal 36357520.070898

Equilateral Triangle

Length = n
Perimeter 62973072
Area 1.9079539409717E+14
Altitude 18178760.035449

Triangular Pyramid

Length = n
Surface area 1.9079539409717E+14
Volume 1.0900204034692E+21
Height 9895263.609633