21909968 (number)

21909968 is an even 8-digits composite number following 21909967 and preceding 21909969. In scientific notation, it is written as 2.1909968 × 10^7. The sum of its digits is 44. It has a total of 5 prime factors and 10 positive divisors. There are 10954976 positive integers (up to 21909968) that are relatively prime to 21909968.

Interesting facts

Basic properties

Name

Name twenty-one million nine hundred nine thousand nine hundred sixty-eight

Notation

Scientific notation 2.1909968 × 10^7
Engineering notation 2.1909968 × 10^6

Prime Factorization of 21909968

Prime Factorization 2 × 2 × 2 × 2 × 1369373

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 2738746
Product of the distinct prime numbers

The prime factorization of 21909968 is 2 × 2 × 2 × 2 × 1369373. Since it has a total of 5 prime factors.

Most popular turbo-numbers

3, 9, 69, 55, 801, 725, 4260, 6192, 27320, 95906, 129918, 914185, 502862, 8619200, 74741613, 94422789, 631722466, 681636057, 4126441309, 4222653431

Basic calculations (n = 21909968)

Multiplication

n×y
n×2 43819936
n×3 65729904
n×4 87639872
n×5 109549840

Division

n÷y
n÷2 10954984
n÷3 7303322.6666667
n÷3 5477492
n÷5 4381993.6

Exponentiation

ny
n2 480046697761024
n3 1.051780778645E+22
n4 2.3044483203126E+29
n5 5.0490388955704E+36

Nth Root

y√n
2√n 4680.8084771757
3√n 279.82117833708
4√n 68.416434262359
5√n 29.385179547172

Divisors of 21909968

1, 2, 4, 8, 16, 1369373, 2738746, 5477492, 10954984, 21909968

10 divisors

τ Total Divisors 10
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21909967
Sum of the proper positive divisors of n
A Arithmetic Mean 0.1
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 10
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21909968 can be divided by 10 positive divisors. The sum of these divisors (counting 21909968) is 1, the average is 0.1.

Base conversion 21909968

Base System Value
2 Binary 1010011100101000111010000
3 Ternary 1112020010211022
4 Quaternary 1103211013100
5 Quinary 21102104333
6 Senary 2101335012
8 Octal 123450720
10 Decimal 21909968
12 Duodecimal 7407468
16 Hexadecimal 14e51d0
20 Vigesimal 6giei8
36 Base36 d1lu8

Cryptographic Hash Functions

md5 e199d7c41ecd5c1b6e70a344a69b3290
sha1 dc5e4ec3f1c6137dbe2030f2ddcce12d62504d5d
sha256 9ea5c5bcb38e1d8a743088e973e17cbfa9149973eec0db13024a990830c00573
sha512 d0f9ff7c407ec189ffd365e6f651870384a2aeaf4f14c4ef3d606f9fb812d6c3694663d53d72e7149f2281ddb9fbde5550da6f6c593c0d6acd3f93b48788ea0b
ripemd-160 fca44881e598362f0a0426d3c2764d90ac2b7f3f

21909968 as geometric shapes

Circle

Radius = n
Diameter 43819936
Circumference 137664389.01837
Area 1.5081111790661E+15

Sphere

Radius = n
Volume 4.4056890231707E+22
Surface area 6.0324447162643E+15
Circumference 137664389.01837

Square

Length = n
Perimeter 87639872
Area 480046697761024
Diagonal 30985373.896761

Cube

Length = n
Surface area 2880280186566144
Volume 1.051780778645E+22
Space diagonal 37949177.768208

Equilateral Triangle

Length = n
Perimeter 65729904
Area 2.0786631763194E+14
Altitude 18974588.884104

Triangular Pyramid

Length = n
Surface area 2.0786631763194E+14
Volume 1.2395355348359E+21
Height 10328457.965587