20921288 (number)

20921288 is an even 8-digits composite number following 20921287 and preceding 20921289. In scientific notation, it is written as 2.0921288 × 10^7. The sum of its digits is 32. It has a total of 6 prime factors and 24 positive divisors. There are 9844224 positive integers (up to 20921288) that are relatively prime to 20921288.

Interesting facts

Basic properties

Name

Name twenty million nine hundred twenty-one thousand two hundred eighty-eight

Notation

Scientific notation 2.0921288 × 10^7
Engineering notation 2.0921288 × 10^6

Prime Factorization of 20921288

Prime Factorization 2 × 2 × 2 × 17 × 17 × 9049

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 307666
Product of the distinct prime numbers

The prime factorization of 20921288 is 2 × 2 × 2 × 17 × 17 × 9049. Since it has a total of 6 prime factors.

Most popular turbo-numbers

4, 5, 77, 19, 950, 121, 8934, 3089, 57687, 56302, 876034, 485318, 2105762, 1987352, 4909655, 47302506, 907955166, 576424614, 4430183737, 1638968695

Basic calculations (n = 20921288)

Multiplication

n×y
n×2 41842576
n×3 62763864
n×4 83685152
n×5 104606440

Division

n÷y
n÷2 10460644
n÷3 6973762.6666667
n÷3 5230322
n÷5 4184257.6

Exponentiation

ny
n2 437700291578944
n3 9.1572538578071E+21
n4 1.9158154524829E+29
n5 4.0081326836246E+36

Nth Root

y√n
2√n 4573.9794490137
3√n 275.54728696235
4√n 67.631201741605
5√n 29.115059608353

Divisors of 20921288

1, 2, 4, 8, 17, 34, 68, 136, 289, 578, 1156, 2312, 9049, 18098, 36196, 72392, 153833, 307666, 615332, 1230664, 2615161, 5230322, 10460644, 20921288

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 -20921287
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 20921288 can be divided by 24 positive divisors. The sum of these divisors (counting 20921288) is 1, the average is 0.041666666666667.

Base conversion 20921288

Base System Value
2 Binary 1001111110011101111001000
3 Ternary 1110100220121112
4 Quaternary 1033303233020
5 Quinary 20323440123
6 Senary 2024225452
8 Octal 117635710
10 Decimal 20921288
12 Duodecimal 700b288
16 Hexadecimal 13f3bc8
20 Vigesimal 6af348
36 Base36 cgeyw

Cryptographic Hash Functions

md5 89be6d23d2ac6fe08cda5be093f9b00d
sha1 b36d4663a47be8e8a84328f3d814fdeaa5c7db7c
sha256 d8ee1570c673c313ce8760a79484a080941f616ad70c0a2480bff405fa05a632
sha512 58d3ca30f7959e76fccbf875fc6ad838d2f4d4ca0d7b036c6b9f925248d6ed81690fd49148210c3aa34275ce21bf2fb590465b3cfb40538e70a85ffadba28ba8
ripemd-160 dec859fbd7a99fe4d51afb3c0827717e8c1ddad9

20921288 as geometric shapes

Circle

Radius = n
Diameter 41842576
Circumference 131452329.36887
Area 1.3750760204985E+15

Sphere

Radius = n
Volume 3.8357815262325E+22
Surface area 5.5003040819941E+15
Circumference 131452329.36887

Square

Length = n
Perimeter 83685152
Area 437700291578944
Diagonal 29587169.231913

Cube

Length = n
Surface area 2626201749473664
Volume 9.1572538578071E+21
Space diagonal 36236733.775781

Equilateral Triangle

Length = n
Perimeter 62763864
Area 1.8952978587561E+14
Altitude 18118366.887891

Triangular Pyramid

Length = n
Surface area 1.8952978587561E+14
Volume 1.0791927166503E+21
Height 9862389.7439712