20921356 (number)

20921356 is an even 8-digits composite number following 20921355 and preceding 20921357. In scientific notation, it is written as 2.0921356 × 10^7. The sum of its digits is 28. It has a total of 5 prime factors and 24 positive divisors. There are 9326592 positive integers (up to 20921356) that are relatively prime to 20921356.

Interesting facts

Basic properties

Name

Name twenty million nine hundred twenty-one thousand three hundred fifty-six

Notation

Scientific notation 2.0921356 × 10^7
Engineering notation 2.0921356 × 10^6

Prime Factorization of 20921356

Prime Factorization 2 × 2 × 17 × 19 × 16193

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10460678
Product of the distinct prime numbers

The prime factorization of 20921356 is 2 × 2 × 17 × 19 × 16193. Since it has a total of 5 prime factors.

Most popular turbo-numbers

1, 3, 40, 35, 818, 764, 9168, 6683, 70399, 28590, 351709, 92010, 9385129, 230409, 62250336, 29080799, 430696289, 566263174, 1694292311, 6775090973

Basic calculations (n = 20921356)

Multiplication

n×y
n×2 41842712
n×3 62764068
n×4 83685424
n×5 104606780

Division

n÷y
n÷2 10460678
n÷3 6973785.3333333
n÷3 5230339
n÷5 4184271.2

Exponentiation

ny
n2 437703136878736
n3 9.1573431489568E+21
n4 1.9158403603349E+29
n5 4.0081978217734E+36

Nth Root

y√n
2√n 4573.9868823599
3√n 275.54758549712
4√n 67.631256696589
5√n 29.115078534736

Divisors of 20921356

1, 2, 4, 17, 19, 34, 38, 68, 76, 323, 646, 1292, 16193, 32386, 64772, 275281, 307667, 550562, 615334, 1101124, 1230668, 5230339, 10460678, 20921356

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20921355
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20921356 can be divided by 24 positive divisors. The sum of these divisors (counting 20921356) is 1, the average is 0.041666666666667.

Base conversion 20921356

Base System Value
2 Binary 1001111110011110000001100
3 Ternary 1110100220201001
4 Quaternary 1033303300030
5 Quinary 20323440411
6 Senary 2024230044
8 Octal 117636014
10 Decimal 20921356
12 Duodecimal 700b324
16 Hexadecimal 13f3c0c
20 Vigesimal 6af37g
36 Base36 cgf0s

Cryptographic Hash Functions

md5 f28d3ea869a118678df6366f2c191171
sha1 02c69f9786ea461502ceb591cec3d93f19d935b3
sha256 b57f52e928f470d7e075999cc27c2ae7a4a1fca246ec674e3350105f57cf807a
sha512 3e09fc3e256f0bd07577d10a6c6fffdbeac300d2a991721cc9d10b2d4fb7c57c815e02b55ad1d598aa4a7b0cfca11df04bd2c735242092aef34882bdb59ff80b
ripemd-160 6d22070b276e4a30ff12da15b501e4c74a0a1c5f

20921356 as geometric shapes

Circle

Radius = n
Diameter 41842712
Circumference 131452756.62547
Area 1.3750849592714E+15

Sphere

Radius = n
Volume 3.8358189284218E+22
Surface area 5.5003398370858E+15
Circumference 131452756.62547

Square

Length = n
Perimeter 83685424
Area 437703136878736
Diagonal 29587265.398436

Cube

Length = n
Surface area 2626218821272416
Volume 9.1573431489568E+21
Space diagonal 36236851.555236

Equilateral Triangle

Length = n
Perimeter 62764068
Area 1.8953101792656E+14
Altitude 18118425.777618

Triangular Pyramid

Length = n
Surface area 1.8953101792656E+14
Volume 1.0792032397133E+21
Height 9862421.7994786