21306545 (number)

21306545 is an odd 8-digits composite number following 21306544 and preceding 21306546. In scientific notation, it is written as 2.1306545 × 10^7. The sum of its digits is 26. It has a total of 4 prime factors and 16 positive divisors. There are 15629760 positive integers (up to 21306545) that are relatively prime to 21306545.

Interesting facts

Basic properties

Name

Name twenty-one million three hundred six thousand five hundred forty-five

Notation

Scientific notation 2.1306545 × 10^7
Engineering notation 2.1306545 × 10^6

Prime Factorization of 21306545

Prime Factorization 5 × 13 × 163 × 2011

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21306545
Product of the distinct prime numbers

The prime factorization of 21306545 is 5 × 13 × 163 × 2011. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 3, 67, 73, 11, 843, 6464, 8168, 59245, 96946, 522216, 236373, 5576949, 7543091, 56096269, 92372967, 163467988, 697319210, 7192409606, 5977555927

Basic calculations (n = 21306545)

Multiplication

n×y
n×2 42613090
n×3 63919635
n×4 85226180
n×5 106532725

Division

n÷y
n÷2 10653272.5
n÷3 7102181.6666667
n÷3 5326636.25
n÷5 4261309

Exponentiation

ny
n2 453968859837025
n3 9.6725079407163E+21
n4 2.0608772570173E+29
n5 4.3910174016115E+36

Nth Root

y√n
2√n 4615.9013204357
3√n 277.22837366001
4√n 67.940424788455
5√n 29.22150679072

Divisors of 21306545

1, 5, 13, 65, 163, 815, 2011, 2119, 10055, 10595, 26143, 130715, 327793, 1638965, 4261309, 21306545

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21306544
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21306545 can be divided by 16 positive divisors. The sum of these divisors (counting 21306545) is 1, the average is 0.0625.

Base conversion 21306545

Base System Value
2 Binary 1010001010001110010110001
3 Ternary 1111002111002022
4 Quaternary 1101101302301
5 Quinary 20423302140
6 Senary 2040401225
8 Octal 121216261
10 Decimal 21306545
12 Duodecimal 7176215
16 Hexadecimal 1451cb1
20 Vigesimal 6d3675
36 Base36 coo8h

Cryptographic Hash Functions

md5 d3fc0e4301aca1d633f5709b5a1565a4
sha1 70277fa87a8275b28da140312bb05cad84bac81e
sha256 9fb712b331017004aef58eadac6360af8d5dd8042a2f57f904f67b90ef23fa9f
sha512 82dcb0ba3115fb66a15ed9227ab2bfaec35ca3ead0c58769931307efd19da3a7f45bbf00d5e71bf981ade1e66c34181eb0002778f1ca54c0924f98ac67595683
ripemd-160 79c0593e1570b20d88588ba78129301e1be991e4

21306545 as geometric shapes

Circle

Radius = n
Diameter 42613090
Circumference 133872970.49076
Area 1.4261852350225E+15

Sphere

Radius = n
Volume 4.0516106517791E+22
Surface area 5.7047409400901E+15
Circumference 133872970.49076

Square

Length = n
Perimeter 85226180
Area 453968859837025
Diagonal 30132004.906313

Cube

Length = n
Surface area 2723813159022150
Volume 9.6725079407163E+21
Space diagonal 36904018.473753

Equilateral Triangle

Length = n
Perimeter 63919635
Area 1.9657428257296E+14
Altitude 18452009.236876

Triangular Pyramid

Length = n
Surface area 1.9657428257296E+14
Volume 1.1399159926602E+21
Height 10044001.635438