20681904 (number)

20681904 is an even 8-digits composite number following 20681903 and preceding 20681905. In scientific notation, it is written as 2.0681904 × 10^7. The sum of its digits is 30. It has a total of 6 prime factors and 20 positive divisors. There are 6893952 positive integers (up to 20681904) that are relatively prime to 20681904.

Interesting facts

Basic properties

Name

Name twenty million six hundred eighty-one thousand nine hundred four

Notation

Scientific notation 2.0681904 × 10^7
Engineering notation 2.0681904 × 10^6

Prime Factorization of 20681904

Prime Factorization 2 × 2 × 2 × 2 × 3 × 430873

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 2585238
Product of the distinct prime numbers

The prime factorization of 20681904 is 2 × 2 × 2 × 2 × 3 × 430873. Since it has a total of 6 prime factors.

Most popular turbo-numbers

1, 10, 67, 22, 451, 16, 4266, 754, 82116, 79308, 794101, 558654, 1750686, 1810631, 98059638, 57141404, 190155069, 828065251, 2992579680, 7589949682

Basic calculations (n = 20681904)

Multiplication

n×y
n×2 41363808
n×3 62045712
n×4 82727616
n×5 103409520

Division

n÷y
n÷2 10340952
n÷3 6893968
n÷3 5170476
n÷5 4136380.8

Exponentiation

ny
n2 427741153065216
n3 8.8465014645441E+21
n4 1.8296249402556E+29
n5 3.7840127370372E+36

Nth Root

y√n
2√n 4547.7361401031
3√n 274.49230405662
4√n 67.436904882291
5√n 29.048124920836

Divisors of 20681904

1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 430873, 861746, 1292619, 1723492, 2585238, 3446984, 5170476, 6893968, 10340952, 20681904

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20681903
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20681904 can be divided by 20 positive divisors. The sum of these divisors (counting 20681904) is 1, the average is 0.05.

Base conversion 20681904

Base System Value
2 Binary 1001110111001010010110000
3 Ternary 1102220202020110
4 Quaternary 1032321102300
5 Quinary 20243310104
6 Senary 2015141320
8 Octal 116712260
10 Decimal 20681904
12 Duodecimal 6b14840
16 Hexadecimal 13b94b0
20 Vigesimal 6954f4
36 Base36 cba9c

Cryptographic Hash Functions

md5 c5b74a7985b3c2a6e1ac80bee145f24b
sha1 14a9f058cbd8b433e733318a3ee04f45c2350659
sha256 4916d76f11febdb5e1c57b23e37b7afae6acef1e35e0053c340cc69c21003789
sha512 1d5b182d7a69008a22fdfac860be6404b3d9c6d0baf4a6e1ae7b8e4f1e27b47414bb5c6b846653a8a33f503d58e80687da743fe65d311d745d5ececc5593aee4
ripemd-160 cee7a987559c84ac902f4bb859bbc38f708bd5da

20681904 as geometric shapes

Circle

Radius = n
Diameter 41363808
Circumference 129948235.3373
Area 1.3437884641077E+15

Sphere

Radius = n
Volume 3.7056138681311E+22
Surface area 5.3751538564308E+15
Circumference 129948235.3373

Square

Length = n
Perimeter 82727616
Area 427741153065216
Diagonal 29248629.132498

Cube

Length = n
Surface area 2566446918391296
Volume 8.8465014645441E+21
Space diagonal 35822108.525262

Equilateral Triangle

Length = n
Perimeter 62045712
Area 1.8521735239926E+14
Altitude 17911054.262631

Triangular Pyramid

Length = n
Surface area 1.8521735239926E+14
Volume 1.0425701958926E+21
Height 9749543.0441661