20921369 (number)

20921369 is an odd 8-digits composite number following 20921368 and preceding 20921370. In scientific notation, it is written as 2.0921369 × 10^7. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 17932596 positive integers (up to 20921369) that are relatively prime to 20921369.

Interesting facts

Basic properties

Name

Name twenty million nine hundred twenty-one thousand three hundred sixty-nine

Notation

Scientific notation 2.0921369 × 10^7
Engineering notation 2.0921369 × 10^6

Prime Factorization of 20921369

Prime Factorization 7 × 2988767

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20921369
Product of the distinct prime numbers

The prime factorization of 20921369 is 7 × 2988767. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20921369)

Multiplication

n×y
n×2 41842738
n×3 62764107
n×4 83685476
n×5 104606845

Division

n÷y
n÷2 10460684.5
n÷3 6973789.6666667
n÷3 5230342.25
n÷5 4184273.8

Exponentiation

ny
n2 437703680834161
n3 9.1573602193897E+21
n4 1.9158451221577E+29
n5 4.0082102747512E+36

Nth Root

y√n
2√n 4573.9883034394
3√n 275.54764256986
4√n 67.631267202673
5√n 29.115082153009

Divisors of 20921369

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20921368
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20921369 can be divided by 4 positive divisors. The sum of these divisors (counting 20921369) is 1, the average is 0.25.

Base conversion 20921369

Base System Value
2 Binary 1001111110011110000011001
3 Ternary 1110100220201112
4 Quaternary 1033303300121
5 Quinary 20323440434
6 Senary 2024230105
8 Octal 117636031
10 Decimal 20921369
12 Duodecimal 700b335
16 Hexadecimal 13f3c19
20 Vigesimal 6af389
36 Base36 cgf15

Cryptographic Hash Functions

md5 f439744b38ad89122bb596b765fd5a69
sha1 d167bb1cbcf225ebcf22ef88631ead872fe1316a
sha256 ae5aa58d1c3cc5edf72d1c8fffa5790b2733f2aa1bf3e73baede4393c0217adc
sha512 f8fcd900f9e885ad15d7736d2539ca346fe99ff86b91a003f262eda316e744095e8b6a687acee8b0f2344e5a284293001162f533824a42f5f87672c7136e7a97
ripemd-160 f2802731dab00146a53d4106558d0e55f3d00a90

20921369 as geometric shapes

Circle

Radius = n
Diameter 41842738
Circumference 131452838.30688
Area 1.3750866681578E+15

Sphere

Radius = n
Volume 3.835826078868E+22
Surface area 5.5003466726312E+15
Circumference 131452838.30688

Square

Length = n
Perimeter 83685476
Area 437703680834161
Diagonal 29587283.783212

Cube

Length = n
Surface area 2626222085004966
Volume 9.1573602193897E+21
Space diagonal 36236874.071896

Equilateral Triangle

Length = n
Perimeter 62764107
Area 1.8953125346617E+14
Altitude 18118437.035948

Triangular Pyramid

Length = n
Surface area 1.8953125346617E+14
Volume 1.0792052514831E+21
Height 9862427.9277373