20985992 (number)

20985992 is an even 8-digits composite number following 20985991 and preceding 20985993. In scientific notation, it is written as 2.0985992 × 10^7. The sum of its digits is 44. It has a total of 4 prime factors and 8 positive divisors. There are 10492992 positive integers (up to 20985992) that are relatively prime to 20985992.

Interesting facts

Basic properties

Name

Name twenty million nine hundred eighty-five thousand nine hundred ninety-two

Notation

Scientific notation 2.0985992 × 10^7
Engineering notation 2.0985992 × 10^6

Prime Factorization of 20985992

Prime Factorization 2 × 2 × 2 × 2623249

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 5246498
Product of the distinct prime numbers

The prime factorization of 20985992 is 2 × 2 × 2 × 2623249. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20985992)

Multiplication

n×y
n×2 41971984
n×3 62957976
n×4 83943968
n×5 104929960

Division

n÷y
n÷2 10492996
n÷3 6995330.6666667
n÷3 5246498
n÷5 4197198.4

Exponentiation

ny
n2 440411860224064
n3 9.2424797753673E+21
n4 1.9396260662602E+29
n5 4.0704977109528E+36

Nth Root

y√n
2√n 4581.047041889
3√n 275.83105953306
4√n 67.683432551024
5√n 29.133046403614

Divisors of 20985992

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 -20985991
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 20985992 can be divided by 8 positive divisors. The sum of these divisors (counting 20985992) is 1, the average is 0.125.

Base conversion 20985992

Base System Value
2 Binary 1010000000011100010001000
3 Ternary 1110111012100222
4 Quaternary 1100003202020
5 Quinary 20333022432
6 Senary 2025445212
8 Octal 120034210
10 Decimal 20985992
12 Duodecimal 7040808
16 Hexadecimal 1403888
20 Vigesimal 6b34jc
36 Base36 chsw8

Cryptographic Hash Functions

md5 a7008b83568ad9053b06754150241eae
sha1 222e74815aee4ec72e73a76e04ae4aa6bd149bf1
sha256 2abbe958884197b2fee4a8c15d7e160f15f1de801d52607371ff92231ac2726e
sha512 31617b16482d8eb64d27e2633328b73ff9d3e39a35d77d2f937a57c3b0ae05adf502895dec9b06eac82f7b6b5e6045199b2577ae54ead5269ef9eea4df440586
ripemd-160 5ceb3d635d00ea094f66837d58bf11d3652bec22

20985992 as geometric shapes

Circle

Radius = n
Diameter 41971984
Circumference 131858876.59099
Area 1.3835946646337E+15

Sphere

Radius = n
Volume 3.8714808750995E+22
Surface area 5.5343786585349E+15
Circumference 131858876.59099

Square

Length = n
Perimeter 83943968
Area 440411860224064
Diagonal 29678674.506253

Cube

Length = n
Surface area 2642471161344384
Volume 9.2424797753673E+21
Space diagonal 36348804.391234

Equilateral Triangle

Length = n
Perimeter 62957976
Area 1.90703929541E+14
Altitude 18174402.195617

Triangular Pyramid

Length = n
Surface area 1.90703929541E+14
Volume 1.089236687357E+21
Height 9892891.5020844