20921748 (number)

20921748 is an even 8-digits composite number following 20921747 and preceding 20921749. In scientific notation, it is written as 2.0921748 × 10^7. The sum of its digits is 33. It has a total of 5 prime factors and 24 positive divisors. There are 6920160 positive integers (up to 20921748) that are relatively prime to 20921748.

Interesting facts

Basic properties

Name

Name twenty million nine hundred twenty-one thousand seven hundred forty-eight

Notation

Scientific notation 2.0921748 × 10^7
Engineering notation 2.0921748 × 10^6

Prime Factorization of 20921748

Prime Factorization 2 × 2 × 3 × 131 × 13309

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10460874
Product of the distinct prime numbers

The prime factorization of 20921748 is 2 × 2 × 3 × 131 × 13309. Since it has a total of 5 prime factors.

Most popular turbo-numbers

1, 7, 76, 29, 943, 495, 2766, 5861, 1680, 22089, 693276, 104136, 8034762, 1589733, 89556853, 56367492, 694595049, 349622401, 9281540930, 913470154

Basic calculations (n = 20921748)

Multiplication

n×y
n×2 41843496
n×3 62765244
n×4 83686992
n×5 104608740

Division

n÷y
n÷2 10460874
n÷3 6973916
n÷3 5230437
n÷5 4184349.6

Exponentiation

ny
n2 437719539375504
n3 9.1578578974904E+21
n4 1.915983951511E+29
n5 4.0085733405558E+36

Nth Root

y√n
2√n 4574.0297331784
3√n 275.5493064496
4√n 67.631573493291
5√n 29.115187638804

Divisors of 20921748

1, 2, 3, 4, 6, 12, 131, 262, 393, 524, 786, 1572, 13309, 26618, 39927, 53236, 79854, 159708, 1743479, 3486958, 5230437, 6973916, 10460874, 20921748

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 -20921747
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 20921748 can be divided by 24 positive divisors. The sum of these divisors (counting 20921748) is 1, the average is 0.041666666666667.

Base conversion 20921748

Base System Value
2 Binary 1001111110011110110010100
3 Ternary 1110100221020120
4 Quaternary 1033303312110
5 Quinary 20323443443
6 Senary 2024231540
8 Octal 117636624
10 Decimal 20921748
12 Duodecimal 700b5b0
16 Hexadecimal 13f3d94
20 Vigesimal 6af478
36 Base36 cgfbo

Cryptographic Hash Functions

md5 c754f229680be051cea7178dcee1702f
sha1 34ed8ed1d6695979effd080353698c695aa52e2c
sha256 15328bb9914ed5246d78ab9074a6030c57ad638c3e2cea7f696f5d298cad5486
sha512 fc662008ff43cf4cd8d636f7e42bd26d27bbf72a6cb7c53a774e1aae66f967442bb90a2d157879400e782a2a7f5209d48537b7a78374edc91fd06547d6b3ff19
ripemd-160 34ae01084c699688fe8300c082875406d04822a5

20921748 as geometric shapes

Circle

Radius = n
Diameter 41843496
Circumference 131455219.63411
Area 1.3751364892348E+15

Sphere

Radius = n
Volume 3.8360345457833E+22
Surface area 5.5005459569392E+15
Circumference 131455219.63411

Square

Length = n
Perimeter 83686992
Area 437719539375504
Diagonal 29587819.770152

Cube

Length = n
Surface area 2626317236253024
Volume 9.1578578974904E+21
Space diagonal 36237530.519153

Equilateral Triangle

Length = n
Perimeter 62765244
Area 1.89538120416E+14
Altitude 18118765.259576

Triangular Pyramid

Length = n
Surface area 1.89538120416E+14
Volume 1.0792639034097E+21
Height 9862606.5900507