20921747 (number)

20921747 is an odd 8-digits composite number following 20921746 and preceding 20921748. In scientific notation, it is written as 2.0921747 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 15333120 positive integers (up to 20921747) that are relatively prime to 20921747.

Interesting facts

Basic properties

Name

Name twenty million nine hundred twenty-one thousand seven hundred forty-seven

Notation

Scientific notation 2.0921747 × 10^7
Engineering notation 2.0921747 × 10^6

Prime Factorization of 20921747

Prime Factorization 847 × 17 × 1453

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20921747
Product of the distinct prime numbers

The prime factorization of 20921747 is 847 × 17 × 1453. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20921747)

Multiplication

n×y
n×2 41843494
n×3 62765241
n×4 83686988
n×5 104608735

Division

n÷y
n÷2 10460873.5
n÷3 6973915.6666667
n÷3 5230436.75
n÷5 4184349.4

Exponentiation

ny
n2 437719497532009
n3 9.1578565843318E+21
n4 1.9159835851967E+29
n5 4.0085723825639E+36

Nth Root

y√n
2√n 4574.0296238656
3√n 275.54930205945
4√n 67.631572685142
5√n 29.115187360479

Divisors of 20921747

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20921746
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20921747 can be divided by 8 positive divisors. The sum of these divisors (counting 20921747) is 1, the average is 0.125.

Base conversion 20921747

Base System Value
2 Binary 1001111110011110110010011
3 Ternary 1110100221020112
4 Quaternary 1033303312103
5 Quinary 20323443442
6 Senary 2024231535
8 Octal 117636623
10 Decimal 20921747
12 Duodecimal 700b5ab
16 Hexadecimal 13f3d93
20 Vigesimal 6af477
36 Base36 cgfbn

Cryptographic Hash Functions

md5 027056eeab237066f6ee515052a49973
sha1 5c02621211a5613089d45525a0f3e70d71fa6959
sha256 d01bdb81035e75ddd7fff58ef5461ac50766f902bfaa929b153d6fe7e2d14801
sha512 e555bc22a1b0f447b39b06e7f525c9d384aaa932dc68c16d07fd0cbbaa633cd65e4c9448f7210c1f5f0abfbcc09beb7d17e561797df53c8f787fbcb4107901ec
ripemd-160 8719bc98be7e84c6f35f8557e8dda420870093d1

20921747 as geometric shapes

Circle

Radius = n
Diameter 41843494
Circumference 131455213.35093
Area 1.3751363577796E+15

Sphere

Radius = n
Volume 3.8360339957288E+22
Surface area 5.5005454311183E+15
Circumference 131455213.35093

Square

Length = n
Perimeter 83686988
Area 437719497532009
Diagonal 29587818.355939

Cube

Length = n
Surface area 2626316985192054
Volume 9.1578565843318E+21
Space diagonal 36237528.787102

Equilateral Triangle

Length = n
Perimeter 62765241
Area 1.8953810229724E+14
Altitude 18118764.393551

Triangular Pyramid

Length = n
Surface area 1.8953810229724E+14
Volume 1.0792637486525E+21
Height 9862606.1186462