20990988 (number)

20990988 is an even 8-digits composite number following 20990987 and preceding 20990989. In scientific notation, it is written as 2.0990988 × 10^7. The sum of its digits is 45. It has a total of 7 prime factors and 96 positive divisors. There are 6345216 positive integers (up to 20990988) that are relatively prime to 20990988.

Interesting facts

Basic properties

Name

Name twenty million nine hundred ninety thousand nine hundred eighty-eight

Notation

Scientific notation 2.0990988 × 10^7
Engineering notation 2.0990988 × 10^6

Prime Factorization of 20990988

Prime Factorization 2 × 2 × 3 × 27 × 17 × 37 × 103

Composite number
ω Distinct Factors 6
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 10495494
Product of the distinct prime numbers

The prime factorization of 20990988 is 2 × 2 × 3 × 27 × 17 × 37 × 103. Since it has a total of 7 prime factors.

Most popular turbo-numbers

1, 9, 35, 87, 362, 809, 9353, 9109, 96584, 9039, 189342, 822726, 2961851, 141712, 42570685, 29088784, 328152539, 652847175, 3284508703, 4413550159

Basic calculations (n = 20990988)

Multiplication

n×y
n×2 41981976
n×3 62972964
n×4 83963952
n×5 104954940

Division

n÷y
n÷2 10495494
n÷3 6996996
n÷3 5247747
n÷5 4198197.6

Exponentiation

ny
n2 440621577216144
n3 9.2490822398852E+21
n4 1.9414737430844E+29
n5 4.07534520434E+36

Nth Root

y√n
2√n 4581.5922996268
3√n 275.85294623783
4√n 67.687460431212
5√n 29.134433374903

Divisors of 20990988

1, 2, 3, 4, 6, 12, 17, 27, 34, 37, 51, 54, 68, 74, 81, 102, 103, 108, 111, 148, 162, 204, 206, 222, 309, 324, 412, 444, 459, 618, 629, 918, 999, 1236, 1258, 1377, 1751, 1836, 1887, 1998, 2516, 2754, 2781, 2997, 3502, 3774, 3811, 3996, 5253, 5508, 5562, 5994, 7004, 7548, 7622, 8343, 10506, 11124, 11433, 11988, 15244, 16686, 16983, 21012, 22866, 33372, 33966, 45732, 47277, 50949, 64787, 67932, 94554, 101898, 102897, 129574, 141831, 189108, 194361, 203796, 205794, 259148, 283662, 308691, 388722, 411588, 567324, 617382, 777444, 1234764, 1749249, 3498498, 5247747, 6996996, 10495494, 20990988

96 divisors

τ Total Divisors 96
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20990987
Sum of the proper positive divisors of n
A Arithmetic Mean 0.010416666666667
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 96
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20990988 can be divided by 96 positive divisors. The sum of these divisors (counting 20990988) is 1, the average is 0.010416666666667.

Base conversion 20990988

Base System Value
2 Binary 1010000000100110000001100
3 Ternary 1110111110020000
4 Quaternary 1100010300030
5 Quinary 20333202423
6 Senary 2025524300
8 Octal 120046014
10 Decimal 20990988
12 Duodecimal 7043690
16 Hexadecimal 1404c0c
20 Vigesimal 6b3h98
36 Base36 chwr0

Cryptographic Hash Functions

md5 ae6ac6fff62590eca2aaf517d58fa1d5
sha1 674d260cc4cf952e99728d9f6ff9b94428c87c6d
sha256 bca95b47d661c2271a9468488f0cb24df80c2ada897d6ed845d6a9c0443b6dcc
sha512 d0bc206c6ee795181ab0d656fd4c9d300256591872bc41f1ca207968858650095c0db1be9ebe4275966df06bba30c8834e6d6e1366e5442e018edf550c834483
ripemd-160 ede54fd6b56bffa02b065e0f96d6791c46d4baa0

20990988 as geometric shapes

Circle

Radius = n
Diameter 41981976
Circumference 131890267.38478
Area 1.3842535099954E+15

Sphere

Radius = n
Volume 3.8742465089695E+22
Surface area 5.5370140399815E+15
Circumference 131890267.38478

Square

Length = n
Perimeter 83963952
Area 440621577216144
Diagonal 29685739.917211

Cube

Length = n
Surface area 2643729463296864
Volume 9.2490822398852E+21
Space diagonal 36357457.717069

Equilateral Triangle

Length = n
Perimeter 62972964
Area 1.9079473966237E+14
Altitude 18178728.858534

Triangular Pyramid

Length = n
Surface area 1.9079473966237E+14
Volume 1.0900147952625E+21
Height 9895246.6390703