21259968 is an even 8-digits composite number following 21259967
and preceding 21259969 . In scientific notation, it is written as 2.1259968 × 10^7.
The sum of its digits is 42. It has a total of 8 prime factors and 28 positive divisors.
There are 7086592 positive integers (up to 21259968) that are relatively prime to 21259968.
21259968 has 28 divisors, whose sum is 56250840
The reverse of 21259968 is 86995212
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 42
Digital Root 6
Name
twenty-one million two hundred fifty-nine thousand nine hundred sixty-eight
Scientific notation
2.1259968 × 10^7
Engineering notation
2.1259968 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2 × 3 × 110729
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
8
Total number of prime factors
rad
Radical
664374
Product of the distinct prime numbers
The prime factorization of 21259968 is 2 × 2 × 2 × 2 × 2 × 2 × 3 × 110729.
Since it has a total of 8 prime factors.
7 , 8 , 95 , 35 , 399 , 441 , 5352 , 8854 , 39893 , 43335 , 395707 , 387486 , 3521315 , 7521472 , 608463 , 25930846 , 520558900 , 341621649 , 9344775603 , 648013894
n×2
42519936
n×3
63779904
n×4
85039872
n×5
106299840
n÷2
10629984
n÷3
7086656
n÷3
5314992
n÷5
4251993.6
n2
451986239361024
n3
9.6092129852557E+21
n4
2.0429156057172E+29
n5
4.3432320404248E+36
2 √n
4610.8532832872
3 √n
277.02621533311
4 √n
67.903264157824
5 √n
29.208719716981
1 , 2 , 3 , 4 , 6 , 8 , 12 , 16 , 24 , 32 , 48 , 64 , 96 , 192 , 110729 , 221458 , 332187 , 442916 , 664374 , 885832 , 1328748 , 1771664 , 2657496 , 3543328 , 5314992 , 7086656 , 10629984 , 21259968
28 divisors
τ
Total Divisors
28
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21259967
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.035714285714286
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
28
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21259968 can be divided by 28 positive divisors.
The sum of these divisors (counting 21259968) is 1, the average is 0.035714285714286.
Base
System
Value
2
Binary
1010001000110011011000000
3
Ternary
1111000010012020
4
Quaternary
1101012123000
5
Quinary
20420304333
6
Senary
2035401440
8
Octal
121063300
10
Decimal
21259968
12
Duodecimal
7153280
16
Hexadecimal
14466c0
20
Vigesimal
6ch9i8
36
Base36
cnoao
md5
fecdecc8479e82053abd7f079f6357f8
sha1
2482c3a287b66aa307f32051bc8598277153319f
sha256
a2bb0eb57886391ea07702e2f1c5d561485bfdbf521e053ce1cff8d3fddba51e
sha512
39838d1d62bb5439a8763d1d8742168f81190650e77ae5e9931b2efceed4c26794611d637fe0ad7ad4d2ab9d8dc9cec0324c816a6dbd7c7e5495d9f9d28179d3
ripemd-160
5cc863df3fbffef51a5b7450f44bcecf6d383f71
Diameter
42519936
Circumference
133580318.56871
Area
1.4199566491003E+15
Volume
4.0250977228345E+22
Surface area
5.6798265964011E+15
Circumference
133580318.56871
Perimeter
85039872
Area
451986239361024
Diagonal
30066135.081218
Surface area
2711917436166144
Volume
9.6092129852557E+21
Space diagonal
36823344.743288
Perimeter
63779904
Area
1.9571578272382E+14
Altitude
18411672.371644
Surface area
1.9571578272382E+14
Volume
1.1324566106234E+21
Height
10022045.027073