21086903 is an odd 8-digits composite number following 21086902
and preceding 21086904 . In scientific notation, it is written as 2.1086903 × 10^7.
The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors.
There are 19828800 positive integers (up to 21086903) that are relatively prime to 21086903.
21086903 has 8 divisors, whose sum is 22361520
The reverse of 21086903 is 30968012
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty-one million eighty-six thousand nine hundred three
Scientific notation
2.1086903 × 10^7
Engineering notation
2.1086903 × 10^6
Prime Factorization
137 × 19 × 8101
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21086903
Product of the distinct prime numbers
The prime factorization of 21086903 is 137 × 19 × 8101.
Since it has a total of 3 prime factors.
4 , 6 , 38 , 65 , 416 , 346 , 1995 , 8209 , 86396 , 17375 , 697430 , 812551 , 2500383 , 4027028 , 70298242 , 80508514 , 225971288 , 72009088 , 5788896276 , 7460618759
n×2
42173806
n×3
63260709
n×4
84347612
n×5
105434515
n÷2
10543451.5
n÷3
7028967.6666667
n÷3
5271725.75
n÷5
4217380.6
n2
444657478131409
n3
9.3764491095816E+21
n4
1.9772027285818E+29
n5
4.1693082148941E+36
2 √n
4592.0478002739
3 √n
276.27246338357
4 √n
67.764650078591
5 √n
29.161009881491
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
-21086902
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 21086903 can be divided by 8 positive divisors.
The sum of these divisors (counting 21086903) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000011100001010110111
3
Ternary
1110200022210102
4
Quaternary
1100130022313
5
Quinary
20344240103
6
Senary
2031544315
8
Octal
120341267
10
Decimal
21086903
12
Duodecimal
708b09b
16
Hexadecimal
141c2b7
20
Vigesimal
6bfh53
36
Base36
cjyrb
md5
36172ecd3b54e01eb1703f3963be4984
sha1
649ca8c4f947aa037376e1f6a17d23ff23f90838
sha256
e4aa9a5cb811a10821e662742e6bd44ee08d269b8e142a204dc6beb2a9488cca
sha512
9eee58fdf3e4f1b5b7e4b4f03a8ec348fca27f19e7a2dc5d1961478cde44cfb7693d91971a5be11f730449ca1949bfeda1d219014e1c049bdf1f515eb86c68d0
ripemd-160
d91d7a4d201e1c310d839ab4a10a00c53725b744
Diameter
42173806
Circumference
132492919.10352
Area
1.3969326666614E+15
Volume
3.9275978185894E+22
Surface area
5.5877306666456E+15
Circumference
132492919.10352
Perimeter
84347612
Area
444657478131409
Diagonal
29821384.211046
Surface area
2667944868788454
Volume
9.3764491095816E+21
Space diagonal
36523587.370277
Perimeter
63260709
Area
1.9254233602226E+14
Altitude
18261793.685138
Surface area
1.9254233602226E+14
Volume
1.105025124806E+21
Height
9940461.403682