21307904 is an even 8-digits composite number following 21307903
and preceding 21307905 . In scientific notation, it is written as 2.1307904 × 10^7.
The sum of its digits is 26. It has a total of 10 prime factors and 20 positive divisors.
There are 10653696 positive integers (up to 21307904) that are relatively prime to 21307904.
21307904 has 20 divisors, whose sum is 42575214
The reverse of 21307904 is 40970312
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty-one million three hundred seven thousand nine hundred four
Scientific notation
2.1307904 × 10^7
Engineering notation
2.1307904 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 41617
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
10
Total number of prime factors
rad
Radical
83234
Product of the distinct prime numbers
The prime factorization of 21307904 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 41617.
Since it has a total of 10 prime factors.
3 , 6 , 80 , 89 , 546 , 74 , 9178 , 897 , 72517 , 52003 , 405103 , 241345 , 1953282 , 239402 , 58785641 , 26596973 , 178029996 , 850592133 , 1791479035 , 2546854628
n×2
42615808
n×3
63923712
n×4
85231616
n×5
106539520
n÷2
10653952
n÷3
7102634.6666667
n÷3
5326976
n÷5
4261580.8
n2
454026772873216
n3
9.6743588898123E+21
n4
2.0614031048567E+29
n5
4.3924179463588E+36
2 √n
4616.048526608
3 √n
277.23426770727
4 √n
67.941508127271
5 √n
29.221879549556
1 , 2 , 4 , 8 , 16 , 32 , 64 , 128 , 256 , 512 , 41617 , 83234 , 166468 , 332936 , 665872 , 1331744 , 2663488 , 5326976 , 10653952 , 21307904
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
-21307903
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 21307904 can be divided by 20 positive divisors.
The sum of these divisors (counting 21307904) is 1, the average is 0.05.
Base
System
Value
2
Binary
1010001010010001000000000
3
Ternary
1111002112221122
4
Quaternary
1101102020000
5
Quinary
20423323104
6
Senary
2040411412
8
Octal
121221000
10
Decimal
21307904
12
Duodecimal
7176b68
16
Hexadecimal
1452200
20
Vigesimal
6d39f4
36
Base36
copa8
md5
52d9eb160b10bd4e5398a5ca9ffd7c15
sha1
b666ff86cfb3d5588add59c49d188cb2e858af7f
sha256
8ae65a31ca68ec32cbe57f293e1c682b05fbed466a58e57f831b95a186e047e6
sha512
409ca3c2f37bee42fbeb8b2a497b9e92052a1d19f0bb210b3702f90547c11ea8d0a0c4605459fdc3de52126e1f52f0ed42d7d772683f886c3f884ae5aa31514a
ripemd-160
67c24cc893408262d2b4be93e8c2857bc0a4c929
Diameter
42615808
Circumference
133881509.33959
Area
1.4263671741916E+15
Volume
4.0523859755234E+22
Surface area
5.7054686967663E+15
Circumference
133881509.33959
Perimeter
85231616
Area
454026772873216
Diagonal
30133926.822544
Surface area
2724160637239296
Volume
9.6743588898123E+21
Space diagonal
36906372.3308
Perimeter
63923712
Area
1.9659935965324E+14
Altitude
18453186.1654
Surface area
1.9659935965324E+14
Volume
1.1401341291031E+21
Height
10044642.274181