20921478 (number)

20921478 is an even 8-digits composite number following 20921477 and preceding 20921479. In scientific notation, it is written as 2.0921478 × 10^7. The sum of its digits is 33. It has a total of 5 prime factors and 32 positive divisors. There are 6722688 positive integers (up to 20921478) that are relatively prime to 20921478.

Interesting facts

Basic properties

Name

Name twenty million nine hundred twenty-one thousand four hundred seventy-eight

Notation

Scientific notation 2.0921478 × 10^7
Engineering notation 2.0921478 × 10^6

Prime Factorization of 20921478

Prime Factorization 2 × 3 × 43 × 83 × 977

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 20921478
Product of the distinct prime numbers

The prime factorization of 20921478 is 2 × 3 × 43 × 83 × 977. Since it has a total of 5 prime factors.

Most popular turbo-numbers

6, 9, 59, 46, 919, 228, 7508, 376, 1753, 63996, 426792, 973139, 511580, 9421443, 77973937, 92714533, 213761555, 462357492, 7435056319, 5257428363

Basic calculations (n = 20921478)

Multiplication

n×y
n×2 41842956
n×3 62764434
n×4 83685912
n×5 104607390

Division

n÷y
n÷2 10460739
n÷3 6973826
n÷3 5230369.5
n÷5 4184295.6

Exponentiation

ny
n2 437708241704484
n3 9.157503349239E+21
n4 1.9158850485603E+29
n5 4.0083146893983E+36

Nth Root

y√n
2√n 4574.000218627
3√n 275.54812110198
4√n 67.631355291958
5√n 29.115112490769

Divisors of 20921478

1, 2, 3, 6, 43, 83, 86, 129, 166, 249, 258, 498, 977, 1954, 2931, 3569, 5862, 7138, 10707, 21414, 42011, 81091, 84022, 126033, 162182, 243273, 252066, 486546, 3486913, 6973826, 10460739, 20921478

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20921477
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20921478 can be divided by 32 positive divisors. The sum of these divisors (counting 20921478) is 1, the average is 0.03125.

Base conversion 20921478

Base System Value
2 Binary 1001111110011110010000110
3 Ternary 1110100220212120
4 Quaternary 1033303302012
5 Quinary 20323441403
6 Senary 2024230410
8 Octal 117636206
10 Decimal 20921478
12 Duodecimal 700b406
16 Hexadecimal 13f3c86
20 Vigesimal 6af3di
36 Base36 cgf46

Cryptographic Hash Functions

md5 fce7cde0fabd7dccde399a9ab5d22eec
sha1 b11a2715aa243a24133592772288363e0bfde278
sha256 f590b80c59c68973f9be34c8ebef0a291abd1726cd2b6ba9062934c5d5528275
sha512 2f41d4d70e35f48d77a398c95e3e796f755700032e13174d7a60efe0cede979743d71f2260f73ec4aed1f7938ca1dda05a3bbca6e1ec9596a9859e740073655d
ripemd-160 5d4b9a23bda62bde1e352ea2735bd9aa24665b68

20921478 as geometric shapes

Circle

Radius = n
Diameter 41842956
Circumference 131453523.17408
Area 1.3751009965545E+15

Sphere

Radius = n
Volume 3.8358860329591E+22
Surface area 5.500403986218E+15
Circumference 131453523.17408

Square

Length = n
Perimeter 83685912
Area 437708241704484
Diagonal 29587437.93249

Cube

Length = n
Surface area 2626249450226904
Volume 9.157503349239E+21
Space diagonal 36237062.865434

Equilateral Triangle

Length = n
Perimeter 62764434
Area 1.8953322838095E+14
Altitude 18118531.432717

Triangular Pyramid

Length = n
Surface area 1.8953322838095E+14
Volume 1.0792221194976E+21
Height 9862479.3108301