21909488 (number)

21909488 is an even 8-digits composite number following 21909487 and preceding 21909489. In scientific notation, it is written as 2.1909488 × 10^7. The sum of its digits is 41. It has a total of 6 prime factors and 20 positive divisors. There are 10870080 positive integers (up to 21909488) that are relatively prime to 21909488.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1909488 × 10^7
Engineering notation 2.1909488 × 10^6

Prime Factorization of 21909488

Prime Factorization 2 × 2 × 2 × 2 × 131 × 10453

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 2738686
Product of the distinct prime numbers

The prime factorization of 21909488 is 2 × 2 × 2 × 2 × 131 × 10453. Since it has a total of 6 prime factors.

Most popular turbo-numbers

9, 1, 2, 88, 218, 668, 1131, 7727, 98428, 38896, 374391, 767172, 54923, 5250755, 60896662, 1609086, 769646089, 198042095, 9477611999, 7442132233

Basic calculations (n = 21909488)

Multiplication

n×y
n×2 43818976
n×3 65728464
n×4 87637952
n×5 109547440

Division

n÷y
n÷2 10954744
n÷3 7303162.6666667
n÷3 5477372
n÷5 4381897.6

Exponentiation

ny
n2 480025664422144
n3 1.0517116534349E+22
n4 2.3042463850392E+29
n5 5.048485852206E+36

Nth Root

y√n
2√n 4680.7572037011
3√n 279.8191348966
4√n 68.416059545264
5√n 29.385050792901

Divisors of 21909488

1, 2, 4, 8, 16, 131, 262, 524, 1048, 2096, 10453, 20906, 41812, 83624, 167248, 1369343, 2738686, 5477372, 10954744, 21909488

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21909487
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21909488 can be divided by 20 positive divisors. The sum of these divisors (counting 21909488) is 1, the average is 0.05.

Base conversion 21909488

Base System Value
2 Binary 1010011100100111111110000
3 Ternary 1112020010011112
4 Quaternary 1103210333300
5 Quinary 21102100423
6 Senary 2101332452
8 Octal 123447760
10 Decimal 21909488
12 Duodecimal 7407128
16 Hexadecimal 14e4ff0
20 Vigesimal 6gide8
36 Base36 d1lgw

Cryptographic Hash Functions

md5 31dd67c48bf9e342b3cf441905931764
sha1 12cdd9733425f64a01717ea9ef6f7c85f85731d4
sha256 87b51a4e370ecc096280631b8198738239a3204771dfb390882276fbeab73df5
sha512 c0f22930ad37cae07fa8672f0b22fc93ceb071e3486f859b5eeb830208c405df4bded434a30efd47f00c4a7e60e8cc61fb8ea3f291179af87ac1bcd33bd5ad89
ripemd-160 19b4f835cdd07b585315f854c210dec3147ba374

21909488 as geometric shapes

Circle

Radius = n
Diameter 43818976
Circumference 137661373.08943
Area 1.5080451008832E+15

Sphere

Radius = n
Volume 4.4053994721678E+22
Surface area 6.0321804035327E+15
Circumference 137661373.08943

Square

Length = n
Perimeter 87637952
Area 480025664422144
Diagonal 30984695.074251

Cube

Length = n
Surface area 2880153986532864
Volume 1.0517116534349E+22
Space diagonal 37948346.383821

Equilateral Triangle

Length = n
Perimeter 65728464
Area 2.0785720992904E+14
Altitude 18974173.19191

Triangular Pyramid

Length = n
Surface area 2.0785720992904E+14
Volume 1.2394540699946E+21
Height 10328231.691417