20921575 (number)

20921575 is an odd 8-digits composite number following 20921574 and preceding 20921576. In scientific notation, it is written as 2.0921575 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 6 positive divisors. There are 16737240 positive integers (up to 20921575) that are relatively prime to 20921575.

Interesting facts

Basic properties

Name

Name twenty million nine hundred twenty-one thousand five hundred seventy-five

Notation

Scientific notation 2.0921575 × 10^7
Engineering notation 2.0921575 × 10^6

Prime Factorization of 20921575

Prime Factorization 5 × 5 × 836863

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 4184315
Product of the distinct prime numbers

The prime factorization of 20921575 is 5 × 5 × 836863. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20921575)

Multiplication

n×y
n×2 41843150
n×3 62764725
n×4 83686300
n×5 104607875

Division

n÷y
n÷2 10460787.5
n÷3 6973858.3333333
n÷3 5230393.75
n÷5 4184315

Exponentiation

ny
n2 437712300480625
n3 9.1576307229279E+21
n4 1.9159205799204E+29
n5 4.0084076106848E+36

Nth Root

y√n
2√n 4574.0108220248
3√n 275.54854695026
4√n 67.63143368305
5√n 29.115139488486

Divisors of 20921575

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20921574
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20921575 can be divided by 6 positive divisors. The sum of these divisors (counting 20921575) is 1, the average is 0.16666666666667.

Base conversion 20921575

Base System Value
2 Binary 1001111110011110011100111
3 Ternary 1110100221000011
4 Quaternary 1033303303213
5 Quinary 20323442300
6 Senary 2024231051
8 Octal 117636347
10 Decimal 20921575
12 Duodecimal 700b487
16 Hexadecimal 13f3ce7
20 Vigesimal 6af3if
36 Base36 cgf6v

Cryptographic Hash Functions

md5 e5368653a479607d10c15ddabc46dbbb
sha1 25082c7a83c51ecfe1acb49e89fb34a5d7332ca6
sha256 8d67397648d60ad2626f7316b109fd77a43c1a00df9f25aedbd69118e31fc580
sha512 f4fb3cd952a7fed8f766b554ae96ed1a4901b57865cd678825d68f8ca760468e50662a1478d59dcc148d1aa049a0843f8b1e9a813cf2daa2e451ba446d9be6ee
ripemd-160 d62d585c65d0bb458ea191fc544fcdeda3c59f93

20921575 as geometric shapes

Circle

Radius = n
Diameter 41843150
Circumference 131454132.64306
Area 1.3751137475758E+15

Sphere

Radius = n
Volume 3.8359393871251E+22
Surface area 5.5004549903033E+15
Circumference 131454132.64306

Square

Length = n
Perimeter 83686300
Area 437712300480625
Diagonal 29587575.111206

Cube

Length = n
Surface area 2626273802883750
Volume 9.1576307229279E+21
Space diagonal 36237230.874363

Equilateral Triangle

Length = n
Perimeter 62764725
Area 1.8953498588257E+14
Altitude 18118615.437181

Triangular Pyramid

Length = n
Surface area 1.8953498588257E+14
Volume 1.0792371306308E+21
Height 9862525.0370686