20909830 (number)

20909830 is an even 8-digits composite number following 20909829 and preceding 20909831. In scientific notation, it is written as 2.0909830 × 10^7. The sum of its digits is 31. It has a total of 5 prime factors and 32 positive divisors. There are 7701504 positive integers (up to 20909830) that are relatively prime to 20909830.

Interesting facts

Basic properties

Name

Name twenty million nine hundred nine thousand eight hundred thirty

Notation

Scientific notation 2.0909830 × 10^7
Engineering notation 2.0909830 × 10^6

Prime Factorization of 20909830

Prime Factorization 2 × 17 × 5 × 47 × 2617

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 20909830
Product of the distinct prime numbers

The prime factorization of 20909830 is 2 × 17 × 5 × 47 × 2617. Since it has a total of 5 prime factors.

Most popular turbo-numbers

2, 8, 59, 66, 529, 712, 1552, 1413, 75160, 91735, 8123, 761012, 1537981, 2065435, 73589452, 84986236, 413619784, 485908533, 3722555372, 1107195553

Basic calculations (n = 20909830)

Multiplication

n×y
n×2 41819660
n×3 62729490
n×4 83639320
n×5 104549150

Division

n÷y
n÷2 10454915
n÷3 6969943.3333333
n÷3 5227457.5
n÷5 4181966

Exponentiation

ny
n2 437220990628900
n3 9.1422165864819E+21
n4 1.9116219464652E+29
n5 3.9971689924856E+36

Nth Root

y√n
2√n 4572.726757636
3√n 275.49697461442
4√n 67.621939913285
5√n 29.11186980992

Divisors of 20909830

1, 2, 5, 10, 17, 34, 47, 85, 94, 170, 235, 470, 799, 1598, 2617, 3995, 5234, 7990, 13085, 26170, 44489, 88978, 122999, 222445, 245998, 444890, 614995, 1229990, 2090983, 4181966, 10454915, 20909830

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20909829
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20909830 can be divided by 32 positive divisors. The sum of these divisors (counting 20909830) is 1, the average is 0.03125.

Base conversion 20909830

Base System Value
2 Binary 1001111110000111100000110
3 Ternary 1110100022220011
4 Quaternary 1033300330012
5 Quinary 20323103310
6 Senary 2024100434
8 Octal 117607406
10 Decimal 20909830
12 Duodecimal 700471a
16 Hexadecimal 13f0f06
20 Vigesimal 6adeba
36 Base36 cg64m

Cryptographic Hash Functions

md5 772145dc83877b68564d9b38b558d886
sha1 78359b0d21c37119f35a2c0100c455860f942e1d
sha256 40cbc559e18c8663df50e5b929064c62afbceccec3a56fad96260a21fded8e7c
sha512 a7a45a82ec8a270d11f57107085406bc76091f811943abf026f35b37d7df1ee5890196b02a11bea7e8c7e4eb9e976c83a40526c58e48429cc957feb86b470812
ripemd-160 17ab731226f5bbadfa805b1fb17c8ec30801a456

20909830 as geometric shapes

Circle

Radius = n
Diameter 41819660
Circumference 131380336.63162
Area 1.373570252155E+15

Sphere

Radius = n
Volume 3.8294827287491E+22
Surface area 5.49428100862E+15
Circumference 131380336.63162

Square

Length = n
Perimeter 83639320
Area 437220990628900
Diagonal 29570965.172916

Cube

Length = n
Surface area 2623325943773400
Volume 9.1422165864819E+21
Space diagonal 36216887.937628

Equilateral Triangle

Length = n
Perimeter 62729490
Area 1.8932224247621E+14
Altitude 18108443.968814

Triangular Pyramid

Length = n
Surface area 1.8932224247621E+14
Volume 1.0774205572296E+21
Height 9856988.3909719