21909102 is an even 8-digits composite number following 21909101
and preceding 21909103 . In scientific notation, it is written as 2.1909102 × 10^7.
The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors.
There are 7133112 positive integers (up to 21909102) that are relatively prime to 21909102.
21909102 has 16 divisors, whose sum is 44837760
The reverse of 21909102 is 20190912
Previous prime number is 43
Is Prime? no
Number parity even
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty-one million nine hundred nine thousand one hundred two
Scientific notation
2.1909102 × 10^7
Engineering notation
2.1909102 × 10^6
Prime Factorization
2 × 3 × 43 × 84919
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21909102
Product of the distinct prime numbers
The prime factorization of 21909102 is 2 × 3 × 43 × 84919.
Since it has a total of 4 prime factors.
6 , 5 , 3 , 53 , 188 , 907 , 8646 , 6549 , 43786 , 56425 , 718634 , 556042 , 6782599 , 6585534 , 26377653 , 39658220 , 758479624 , 18125083 , 7400871033 , 9414029356
n×2
43818204
n×3
65727306
n×4
87636408
n×5
109545510
n÷2
10954551
n÷3
7303034
n÷3
5477275.5
n÷5
4381820.4
n2
480008750446404
n3
1.0516560674423E+22
n4
2.3040840050512E+29
n5
5.0480411483235E+36
2 √n
4680.7159708745
3 √n
279.81749160823
4 √n
68.4157582058
5 √n
29.384947251371
1 , 2 , 3 , 6 , 43 , 86 , 129 , 258 , 84919 , 169838 , 254757 , 509514 , 3651517 , 7303034 , 10954551 , 21909102
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21909101
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21909102 can be divided by 16 positive divisors.
The sum of these divisors (counting 21909102) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010011100100111001101110
3
Ternary
1112020002122020
4
Quaternary
1103210321232
5
Quinary
21102042402
6
Senary
2101331010
8
Octal
123447156
10
Decimal
21909102
12
Duodecimal
7406a66
16
Hexadecimal
14e4e6e
20
Vigesimal
6gicf2
36
Base36
d1l66
md5
f8cdcbd91d1645259a9592e0c4141772
sha1
511c42604ef748c7fd70ff6ef4a6265231759210
sha256
09d0cf5cd7cc525a5db6905419961eafc7324b81b247abe2cc1c7c18447431f8
sha512
9e29db6408b36cf63f586da56a84d6c8f92d5e618159674466fccd0b2591482971e3469dc87e643e56816f9007747b92230c30d6a95a3353aa71c7de43aa807f
ripemd-160
e3abfa5bf7dc36ec7c36e9b07d1ded1f4a3bac38
Diameter
43818204
Circumference
137658947.7799
Area
1.5079919640612E+15
Volume
4.4051666341064E+22
Surface area
6.031967856245E+15
Circumference
137658947.7799
Perimeter
87636408
Area
480008750446404
Diagonal
30984149.187816
Surface area
2880052502678424
Volume
1.0516560674423E+22
Space diagonal
37947677.812209
Perimeter
65727306
Area
2.0784988596271E+14
Altitude
18973838.906104
Surface area
2.0784988596271E+14
Volume
1.239388561274E+21
Height
10328049.729272