20397908 (number)

20397908 is an even 8-digits composite number following 20397907 and preceding 20397909. In scientific notation, it is written as 2.0397908 × 10^7. The sum of its digits is 38. It has a total of 4 prime factors and 12 positive divisors. There are 10189632 positive integers (up to 20397908) that are relatively prime to 20397908.

Interesting facts

Basic properties

Name

Name twenty million three hundred ninety-seven thousand nine hundred eight

Notation

Scientific notation 2.0397908 × 10^7
Engineering notation 2.0397908 × 10^6

Prime Factorization of 20397908

Prime Factorization 2 × 2 × 1753 × 2909

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10198954
Product of the distinct prime numbers

The prime factorization of 20397908 is 2 × 2 × 1753 × 2909. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 2, 9, 82, 879, 642, 177, 5885, 98490, 82671, 172602, 764888, 5975563, 2173084, 14429716, 27553181, 182133754, 699530389, 3239564942, 4336256424

Basic calculations (n = 20397908)

Multiplication

n×y
n×2 40795816
n×3 61193724
n×4 81591632
n×5 101989540

Division

n÷y
n÷2 10198954
n÷3 6799302.6666667
n÷3 5099477
n÷5 4079581.6

Exponentiation

ny
n2 416074650776464
n3 8.4870524476704E+21
n4 1.7311811501876E+29
n5 3.531247383286E+36

Nth Root

y√n
2√n 4516.4043220243
3√n 273.23010114454
4√n 67.204198693417
5√n 28.967907547151

Divisors of 20397908

1, 2, 4, 1753, 2909, 3506, 5818, 7012, 11636, 5099477, 10198954, 20397908

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 -20397907
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 20397908 can be divided by 12 positive divisors. The sum of these divisors (counting 20397908) is 1, the average is 0.083333333333333.

Base conversion 20397908

Base System Value
2 Binary 1001101110011111101010100
3 Ternary 1102101022200002
4 Quaternary 1031303331110
5 Quinary 20210213113
6 Senary 2005110432
8 Octal 115637524
10 Decimal 20397908
12 Duodecimal 69b8418
16 Hexadecimal 1373f54
20 Vigesimal 679ef8
36 Base36 c574k

Cryptographic Hash Functions

md5 3fccbbd07d65f0df09cdddeb9a779d3f
sha1 95068661cd92fd7ca22d2ad06d1a39cfca698bae
sha256 c20da3683ad83e9e027dbe4dd7524e56cce4af5ae9d3e429486eca5a71f2c653
sha512 5c02bd6179f4d15b2e3e04a67deb22a4500cf6191d0bd6e6f864555b136d20914137208ae99fb17dbfe55ab4ec7848d8f2d5c56f515423f9f4dac408fd117864
ripemd-160 6e3da45697c967db93b9840ce75a86e80af252fa

20397908 as geometric shapes

Circle

Radius = n
Diameter 40795816
Circumference 128163835.8428
Area 1.3071370662243E+15

Sphere

Radius = n
Volume 3.555048216031E+22
Surface area 5.2285482648971E+15
Circumference 128163835.8428

Square

Length = n
Perimeter 81591632
Area 416074650776464
Diagonal 28846998.137639

Cube

Length = n
Surface area 2496447904658784
Volume 8.4870524476704E+21
Space diagonal 35330213.024116

Equilateral Triangle

Length = n
Perimeter 61193724
Area 1.8016560872158E+14
Altitude 17665106.512058

Triangular Pyramid

Length = n
Surface area 1.8016560872158E+14
Volume 1.0002087230056E+21
Height 9615666.0458796