20020991 (number)

20020991 is an odd 8-digits composite number following 20020990 and preceding 20020992. In scientific notation, it is written as 2.0020991 × 10^7. The sum of its digits is 23. It has a total of 3 prime factors and 8 positive divisors. There are 19241152 positive integers (up to 20020991) that are relatively prime to 20020991.

Interesting facts

Basic properties

Name

Name twenty million twenty thousand nine hundred ninety-one

Notation

Scientific notation 2.0020991 × 10^7
Engineering notation 2.0020991 × 10^6

Prime Factorization of 20020991

Prime Factorization 29 × 233 × 2963

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20020991
Product of the distinct prime numbers

The prime factorization of 20020991 is 29 × 233 × 2963. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20020991)

Multiplication

n×y
n×2 40041982
n×3 60062973
n×4 80083964
n×5 100104955

Division

n÷y
n÷2 10010495.5
n÷3 6673663.6666667
n÷3 5005247.75
n÷5 4004198.2

Exponentiation

ny
n2 400840080622081
n3 8.025215646574E+21
n4 1.6067277023312E+29
n5 3.2168280867823E+36

Nth Root

y√n
2√n 4474.4822046802
3√n 271.53669235604
4√n 66.89157050541
5√n 28.860052319748

Divisors of 20020991

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 -20020990
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 20020991 can be divided by 8 positive divisors. The sum of these divisors (counting 20020991) is 1, the average is 0.125.

Base conversion 20020991

Base System Value
2 Binary 1001100010111111011111111
3 Ternary 1101200011122012
4 Quaternary 1030113323333
5 Quinary 20111132431
6 Senary 1553041435
8 Octal 114277377
10 Decimal 20020991
12 Duodecimal 685627b
16 Hexadecimal 1317eff
20 Vigesimal 652c9b
36 Base36 bx4an

Cryptographic Hash Functions

md5 5326735ef49e1f40d83ddb7a3d88e427
sha1 f0855322d4a08ae161ba0aaa3e123dee81017c9f
sha256 783e891328d3ea9fa26b3fb9433b532b9ee58664fa88ada45de9482c478a0976
sha512 f3366cf021f070e2ba8925bdf8d1210fee7435b0353ae5b3272446d475107652fdcc270b03fcff2a3597042ff0685242f9047f82b228999d73db5b13fa449993
ripemd-160 39dfbe47434dda0c45ee978e91aa58fa8354bdd3

20020991 as geometric shapes

Circle

Radius = n
Diameter 40041982
Circumference 125795596.48637
Area 1.2592762525467E+15

Sphere

Radius = n
Volume 3.3615944691667E+22
Surface area 5.0371050101867E+15
Circumference 125795596.48637

Square

Length = n
Perimeter 80083964
Area 400840080622081
Diagonal 28313957.00435

Cube

Length = n
Surface area 2405040483732486
Volume 8.025215646574E+21
Space diagonal 34677373.629879

Equilateral Triangle

Length = n
Perimeter 60062973
Area 1.7356884633686E+14
Altitude 17338686.81494

Triangular Pyramid

Length = n
Surface area 1.7356884633686E+14
Volume 9.4578073402947E+20
Height 9437985.6681166