20707921 (number)

20707921 is an odd 8-digits composite number following 20707920 and preceding 20707922. In scientific notation, it is written as 2.0707921 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 17990400 positive integers (up to 20707921) that are relatively prime to 20707921.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0707921 × 10^7
Engineering notation 2.0707921 × 10^6

Prime Factorization of 20707921

Prime Factorization 17 × 13 × 93701

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20707921
Product of the distinct prime numbers

The prime factorization of 20707921 is 17 × 13 × 93701. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20707921)

Multiplication

n×y
n×2 41415842
n×3 62123763
n×4 82831684
n×5 103539605

Division

n÷y
n÷2 10353960.5
n÷3 6902640.3333333
n÷3 5176980.25
n÷5 4141584.2

Exponentiation

ny
n2 428817992142241
n3 8.8799291046601E+21
n4 1.838848703849E+29
n5 3.8078733690258E+36

Nth Root

y√n
2√n 4550.5956752935
3√n 274.60735590431
4√n 67.458103110698
5√n 29.055429519815

Divisors of 20707921

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 -20707920
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 20707921 can be divided by 8 positive divisors. The sum of these divisors (counting 20707921) is 1, the average is 0.125.

Base conversion 20707921

Base System Value
2 Binary 1001110111111101001010001
3 Ternary 1102222001221001
4 Quaternary 1032333221101
5 Quinary 20300123141
6 Senary 2015502001
8 Octal 116775121
10 Decimal 20707921
12 Duodecimal 6b27901
16 Hexadecimal 13bfa51
20 Vigesimal 6989g1
36 Base36 cbuc1

Cryptographic Hash Functions

md5 96b428f397d4ad330a43a800151b51f4
sha1 29f35beccae345dba9bb80fd8722b64a205cfa56
sha256 24e3071869524d98c6cce314075d7ca469c6d53b11844c745dd4c0064072a7a8
sha512 87fc18feea193f448bafc4ecb1bfb7b0162ca26afbb86f47220224f8a1bbdb77b978d3ad8a8e2c80d1d8d251ba4be480f9e83b371191c6a4b13589dd33238384
ripemd-160 6fd74d398715839375edbe8f615ef1551bffad31

20707921 as geometric shapes

Circle

Radius = n
Diameter 41415842
Circumference 130111704.96944
Area 1.3471714538412E+15

Sphere

Radius = n
Volume 3.7196160052798E+22
Surface area 5.3886858153648E+15
Circumference 130111704.96944

Square

Length = n
Perimeter 82831684
Area 428817992142241
Diagonal 29285422.726751

Cube

Length = n
Surface area 2572907952853446
Volume 8.8799291046601E+21
Space diagonal 35867171.291123

Equilateral Triangle

Length = n
Perimeter 62123763
Area 1.8568363739751E+14
Altitude 17933585.645561

Triangular Pyramid

Length = n
Surface area 1.8568363739751E+14
Volume 1.0465096810602E+21
Height 9761807.5755835