21409968 (number)

21409968 is an even 8-digits composite number following 21409967 and preceding 21409969. In scientific notation, it is written as 2.1409968 × 10^7. The sum of its digits is 39. It has a total of 6 prime factors and 20 positive divisors. There are 7136640 positive integers (up to 21409968) that are relatively prime to 21409968.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1409968 × 10^7
Engineering notation 2.1409968 × 10^6

Prime Factorization of 21409968

Prime Factorization 2 × 2 × 2 × 2 × 3 × 446041

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 2676246
Product of the distinct prime numbers

The prime factorization of 21409968 is 2 × 2 × 2 × 2 × 3 × 446041. Since it has a total of 6 prime factors.

Most popular turbo-numbers

1, 7, 95, 30, 611, 821, 9200, 8001, 79479, 52052, 206433, 795747, 8934230, 5340432, 62607061, 50722562, 683164842, 691352134, 4033446277, 1995049145

Basic calculations (n = 21409968)

Multiplication

n×y
n×2 42819936
n×3 64229904
n×4 85639872
n×5 107049840

Division

n÷y
n÷2 10704984
n÷3 7136656
n÷3 5352492
n÷5 4281993.6

Exponentiation

ny
n2 458386729761024
n3 9.8140452158082E+21
n4 2.1011839402101E+29
n5 4.4986280922011E+36

Nth Root

y√n
2√n 4627.0906626086
3√n 277.67620981193
4√n 68.022721664225
5√n 29.2498203912

Divisors of 21409968

1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 446041, 892082, 1338123, 1784164, 2676246, 3568328, 5352492, 7136656, 10704984, 21409968

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 -21409967
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 21409968 can be divided by 20 positive divisors. The sum of these divisors (counting 21409968) is 1, the average is 0.05.

Base conversion 21409968

Base System Value
2 Binary 1010001101011000010110000
3 Ternary 1111021201221210
4 Quaternary 1101223002300
5 Quinary 20440104333
6 Senary 2042520120
8 Octal 121530260
10 Decimal 21409968
12 Duodecimal 7206040
16 Hexadecimal 146b0b0
20 Vigesimal 6dg4i8
36 Base36 cqw1c

Cryptographic Hash Functions

md5 23c16404bb36f7d1415bc3870c8e75e5
sha1 8ef3afffb6ea6e64e17d581a537803b64d7f3bb7
sha256 0e5bf5617e8c75a1f9a6bb7de9474d253f213b6abd4b9620365f42a4aadd6b73
sha512 5a76f3b0b4e307ac0ec1da954256458b217f77d667e3318b0737e9ed0dc2c9bc1bde8e33a22c3161cd44369cb2d726ad9fda541f80afb38f71be245d98202951
ripemd-160 443fa2db60288d0cccf68796b95e46342ee2aff5

21409968 as geometric shapes

Circle

Radius = n
Diameter 42819936
Circumference 134522796.36479
Area 1.4400643827203E+15

Sphere

Radius = n
Volume 4.1108976469308E+22
Surface area 5.7602575308811E+15
Circumference 134522796.36479

Square

Length = n
Perimeter 85639872
Area 458386729761024
Diagonal 30278267.115574

Cube

Length = n
Surface area 2750320378566144
Volume 9.8140452158082E+21
Space diagonal 37083152.364424

Equilateral Triangle

Length = n
Perimeter 64229904
Area 1.9848727636536E+14
Altitude 18541576.182212

Triangular Pyramid

Length = n
Surface area 1.9848727636536E+14
Volume 1.1565963204949E+21
Height 10092755.705191