20809972 (number)

20809972 is an even 8-digits composite number following 20809971 and preceding 20809973. In scientific notation, it is written as 2.0809972 × 10^7. The sum of its digits is 37. It has a total of 4 prime factors and 12 positive divisors. There are 9792896 positive integers (up to 20809972) that are relatively prime to 20809972.

Interesting facts

Basic properties

Name

Name twenty million eight hundred nine thousand nine hundred seventy-two

Notation

Scientific notation 2.0809972 × 10^7
Engineering notation 2.0809972 × 10^6

Prime Factorization of 20809972

Prime Factorization 2 × 2 × 17 × 306029

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10404986
Product of the distinct prime numbers

The prime factorization of 20809972 is 2 × 2 × 17 × 306029. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 4, 25, 18, 157, 762, 6021, 3898, 72573, 53267, 618666, 949672, 9345099, 4778829, 77192658, 52791912, 700396207, 638290314, 5449953700, 998931774

Basic calculations (n = 20809972)

Multiplication

n×y
n×2 41619944
n×3 62429916
n×4 83239888
n×5 104049860

Division

n÷y
n÷2 10404986
n÷3 6936657.3333333
n÷3 5202493
n÷5 4161994.4

Exponentiation

ny
n2 433054934640784
n3 9.0118610643365E+21
n4 1.8753657641673E+29
n5 3.9026309042081E+36

Nth Root

y√n
2√n 4561.7948222164
3√n 275.05771570974
4√n 67.541060268672
5√n 29.084010929321

Divisors of 20809972

1, 2, 4, 17, 34, 68, 306029, 612058, 1224116, 5202493, 10404986, 20809972

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20809971
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20809972 can be divided by 12 positive divisors. The sum of these divisors (counting 20809972) is 1, the average is 0.083333333333333.

Base conversion 20809972

Base System Value
2 Binary 1001111011000100011110100
3 Ternary 1110011020220201
4 Quaternary 1033120203310
5 Quinary 20311404342
6 Senary 2022010244
8 Octal 117304364
10 Decimal 20809972
12 Duodecimal 6b76984
16 Hexadecimal 13d88f4
20 Vigesimal 6a14ic
36 Base36 ce12s

Cryptographic Hash Functions

md5 0f59ddc3f03ecc059c843f8be7efdfdb
sha1 323b5421bfa29ddd904154e20d927198de43a274
sha256 f5482f4aa9b683a557153761b92caa5d705c468928aa661cb1088923a907556a
sha512 79dfad52b3f851a7a1069d8b6f06fc0ac8ed2187aff2f483d9887b6ee0cf56cf443727c0d9239211cca252baef479103d72d3c52cade657d2cc06a16d5328f1f
ripemd-160 c4ede42acdc8f437869744915c2eb49c3bfe6421

20809972 as geometric shapes

Circle

Radius = n
Diameter 41619944
Circumference 130752910.31322
Area 1.3604822012683E+15

Sphere

Radius = n
Volume 3.7748795353189E+22
Surface area 5.4419288050732E+15
Circumference 130752910.31322

Square

Length = n
Perimeter 83239888
Area 433054934640784
Diagonal 29429744.635004

Cube

Length = n
Surface area 2598329607844704
Volume 9.0118610643365E+21
Space diagonal 36043928.808086

Equilateral Triangle

Length = n
Perimeter 62429916
Area 1.8751828731656E+14
Altitude 18021964.404043

Triangular Pyramid

Length = n
Surface area 1.8751828731656E+14
Volume 1.0620580116172E+21
Height 9809914.8783348