21103587 is an odd 8-digits composite number following 21103586
and preceding 21103588 . In scientific notation, it is written as 2.1103587 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 12 positive divisors.
There are 14001120 positive integers (up to 21103587) that are relatively prime to 21103587.
21103587 has 12 divisors, whose sum is 30630184
The reverse of 21103587 is 78530112
Previous prime number is 11113
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty-one million one hundred three thousand five hundred eighty-seven
Scientific notation
2.1103587 × 10^7
Engineering notation
2.1103587 × 10^6
Prime Factorization
3 × 3 × 11113 × 211
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
7034529
Product of the distinct prime numbers
The prime factorization of 21103587 is 3 × 3 × 11113 × 211.
Since it has a total of 4 prime factors.
4 , 4 , 19 , 91 , 684 , 583 , 7246 , 5095 , 72915 , 90175 , 868059 , 733051 , 3536730 , 452173 , 53824614 , 45384155 , 235723411 , 893117831 , 5392915309 , 4841063031
n×2
42207174
n×3
63310761
n×4
84414348
n×5
105517935
n÷2
10551793.5
n÷3
7034529
n÷3
5275896.75
n÷5
4220717.4
n2
445361384266569
n3
9.39872271931E+21
n4
1.9834676259583E+29
n5
4.1858281606095E+36
2 √n
4593.8640598085
3 √n
276.34530661832
4 √n
67.77804998529
5 √n
29.165622871715
1 , 3 , 9 , 211 , 633 , 1899 , 11113 , 33339 , 100017 , 2344843 , 7034529 , 21103587
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21103586
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21103587 can be divided by 12 positive divisors.
The sum of these divisors (counting 21103587) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010000100000001111100011
3
Ternary
1110201011200100
4
Quaternary
1100200033203
5
Quinary
20400303322
6
Senary
2032153443
8
Octal
120401743
10
Decimal
21103587
12
Duodecimal
7098883
16
Hexadecimal
14203e3
20
Vigesimal
6bhij7
36
Base36
ckbmr
md5
261cc2ee6210842e9aec7c2ba3d40847
sha1
e3ab60880a72fe82d2d1cb028908843771a52f52
sha256
3483fb93e6efd32e3edf7475e6743aeccb7dbaad91a6a8916ca8b4fcff3be61c
sha512
eead0406cc2e0d9970ca940b0f72614170748f61ebc12e127e4073aa963ae29ff2a6e87645659d2876117b7f2d623ed165761787906a84d3a3de09f78562056c
ripemd-160
fcff373aef362818182fae6a898e45982681f652
Diameter
42207174
Circumference
132597747.76719
Area
1.3991440530044E+15
Volume
3.9369277664149E+22
Surface area
5.5965762120177E+15
Circumference
132597747.76719
Perimeter
84414348
Area
445361384266569
Diagonal
29844978.950121
Surface area
2672168305599414
Volume
9.39872271931E+21
Space diagonal
36552484.90595
Perimeter
63310761
Area
1.9284713631973E+14
Altitude
18276242.452975
Surface area
1.9284713631973E+14
Volume
1.107650094886E+21
Height
9948326.3167068