21091369 is an odd 8-digits composite number following 21091368
and preceding 21091370 . In scientific notation, it is written as 2.1091369 × 10^7.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 18937152 positive integers (up to 21091369) that are relatively prime to 21091369.
21091369 has 8 divisors, whose sum is 21796040
The reverse of 21091369 is 96319012
Previous prime number is 37
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-one million ninety-one thousand three hundred sixty-nine
Scientific notation
2.1091369 × 10^7
Engineering notation
2.1091369 × 10^6
Prime Factorization
169 × 37 × 3373
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21091369
Product of the distinct prime numbers
The prime factorization of 21091369 is 169 × 37 × 3373.
Since it has a total of 3 prime factors.
9 , 10 , 43 , 18 , 816 , 108 , 9244 , 4863 , 73073 , 2574 , 712877 , 920849 , 8177123 , 4312906 , 47351043 , 7613462 , 182608368 , 401101527 , 3816000283 , 8862938809
n×2
42182738
n×3
63274107
n×4
84365476
n×5
105456845
n÷2
10545684.5
n÷3
7030456.3333333
n÷3
5272842.25
n÷5
4218273.8
n2
444845846294161
n3
9.3824078923074E+21
n4
1.9788782696517E+29
n5
4.1737251791305E+36
2 √n
4592.5340499554
3 √n
276.29196594285
4 √n
67.768237766342
5 √n
29.162244980251
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21091368
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21091369 can be divided by 8 positive divisors.
The sum of these divisors (counting 21091369) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000011101010000101001
3
Ternary
1110200112220211
4
Quaternary
1100131100221
5
Quinary
20344410434
6
Senary
2032021121
8
Octal
120352051
10
Decimal
21091369
12
Duodecimal
70917a1
16
Hexadecimal
141d429
20
Vigesimal
6bg889
36
Base36
ck27d
md5
e9385f968cf42a3e79883bfa543bc8cd
sha1
c1f405ad406c2b344d1754cb9635ecaf7c254821
sha256
dc75eacf218a4b702d1d7ca7be61f7dbdbde1745ed956637eba3d31a3bcaf322
sha512
cbcbc518f033813802f6588629a468bf1d9dc6164e97040428c96ec5f027dbedecf5ee78dfc414f5efd6fabfe26b5ce6083f57f0214b5d73a572b3455c12cee0
ripemd-160
ada8c3b14f69b32dc67b74ab3a6b7ef23dd75c12
Diameter
42182738
Circumference
132520979.8091
Area
1.3975244426977E+15
Volume
3.9300938276608E+22
Surface area
5.5900977707907E+15
Circumference
132520979.8091
Perimeter
84365476
Area
444845846294161
Diagonal
29827700.088815
Surface area
2669075077764966
Volume
9.3824078923074E+21
Space diagonal
36531322.709183
Perimeter
63274107
Area
1.9262390182937E+14
Altitude
18265661.354592
Surface area
1.9262390182937E+14
Volume
1.1057273740848E+21
Height
9942566.6962718