20994990 (number)

20994990 is an even 8-digits composite number following 20994989 and preceding 20994991. In scientific notation, it is written as 2.0994990 × 10^7. The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors. There are 5585184 positive integers (up to 20994990) that are relatively prime to 20994990.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0994990 × 10^7
Engineering notation 2.0994990 × 10^6

Prime Factorization of 20994990

Prime Factorization 2 × 15 × 947 × 739

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20994990
Product of the distinct prime numbers

The prime factorization of 20994990 is 2 × 15 × 947 × 739. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 2, 59, 77, 820, 853, 1756, 7619, 62647, 57227, 974647, 333665, 5954661, 8190304, 35835656, 71345529, 55461994, 285299533, 3010102687, 2167060126

Basic calculations (n = 20994990)

Multiplication

n×y
n×2 41989980
n×3 62984970
n×4 83979960
n×5 104974950

Division

n÷y
n÷2 10497495
n÷3 6998330
n÷3 5248747.5
n÷5 4198998

Exponentiation

ny
n2 440789605100100
n3 9.2543733511805E+21
n4 1.942954759643E+29
n5 4.0792315749158E+36

Nth Root

y√n
2√n 4582.029026534
3√n 275.87047587706
4√n 67.690686409092
5√n 29.135544205052

Divisors of 20994990

1, 2, 15, 30, 739, 947, 1478, 1894, 11085, 14205, 22170, 28410, 699833, 1399666, 10497495, 20994990

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20994989
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20994990 can be divided by 16 positive divisors. The sum of these divisors (counting 20994990) is 1, the average is 0.0625.

Base conversion 20994990

Base System Value
2 Binary 1010000000101101110101110
3 Ternary 1110111122201020
4 Quaternary 1100011232232
5 Quinary 20333314430
6 Senary 2025555010
8 Octal 120055656
10 Decimal 20994990
12 Duodecimal 7045a66
16 Hexadecimal 1405bae
20 Vigesimal 6b479a
36 Base36 chzu6

Cryptographic Hash Functions

md5 f0674a3f6f6dff907b097a852a3c0da9
sha1 6d4b68791db3e1705d47019020e242e1865f2f0e
sha256 112c766cdfc1b63ac736988752e8b8241aee76bb8036e6f2d4ba101bc6e45f98
sha512 decbf938f47470f0a6e1c7f9196ba64fe6a1150bfdec230bd3853c17c24128a02c40e1600174aede6e5fb5d44102fd8dae3a381787587d1342c7d1c86d8fc35f
ripemd-160 ea84f1a3ea1992f36ae7d8bf20b6ba0eaa6a1301

20994990 as geometric shapes

Circle

Radius = n
Diameter 41989980
Circumference 131915412.69238
Area 1.3847813851612E+15

Sphere

Radius = n
Volume 3.8764628444861E+22
Surface area 5.5391255406449E+15
Circumference 131915412.69238

Square

Length = n
Perimeter 83979960
Area 440789605100100
Diagonal 29691399.599888

Cube

Length = n
Surface area 2644737630600600
Volume 9.2543733511805E+21
Space diagonal 36364389.384401

Equilateral Triangle

Length = n
Perimeter 62984970
Area 1.908674978704E+14
Altitude 18182194.6922

Triangular Pyramid

Length = n
Surface area 1.908674978704E+14
Volume 1.0906383587086E+21
Height 9897133.1999625