21103491 is an odd 8-digits composite number following 21103490
and preceding 21103492 . In scientific notation, it is written as 2.1103491 × 10^7.
The sum of its digits is 21. It has a total of 2 prime factors and 4 positive divisors.
There are 14068992 positive integers (up to 21103491) that are relatively prime to 21103491.
21103491 has 4 divisors, whose sum is 28137992
The reverse of 21103491 is 19430112
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty-one million one hundred three thousand four hundred ninety-one
Scientific notation
2.1103491 × 10^7
Engineering notation
2.1103491 × 10^6
Prime Factorization
3 × 7034497
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21103491
Product of the distinct prime numbers
The prime factorization of 21103491 is 3 × 7034497.
Since it has a total of 2 prime factors.
5 , 5 , 37 , 70 , 58 , 41 , 7895 , 3171 , 85930 , 45327 , 479120 , 395687 , 4439935 , 1625195 , 5473227 , 29722958 , 791042562 , 193687276 , 5566453400 , 8031763156
n×2
42206982
n×3
63310473
n×4
84413964
n×5
105517455
n÷2
10551745.5
n÷3
7034497
n÷3
5275872.75
n÷5
4220698.2
n2
445357332387081
n3
9.3985944558148E+21
n4
1.9834315351094E+29
n5
4.1857329550297E+36
2 √n
4593.8536110764
3 √n
276.34488758703
4 √n
67.777972904746
5 √n
29.165596336843
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21103490
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21103491 can be divided by 4 positive divisors.
The sum of these divisors (counting 21103491) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000100000001110000011
3
Ternary
1110201011112210
4
Quaternary
1100200032003
5
Quinary
20400302431
6
Senary
2032153203
8
Octal
120401603
10
Decimal
21103491
12
Duodecimal
7098803
16
Hexadecimal
1420383
20
Vigesimal
6bhieb
36
Base36
ckbk3
md5
523486b8c6f717b4399d8d512db9ac36
sha1
75013b4bb459b8ee57ca4648a35c0e20fd635468
sha256
657086846d4ee2d11cdb56003366c98d11e069d7cb608fa912401e7fe8dcdc77
sha512
45c269ccbfa496a4037809499472f3c75ba9f26b91ec749ad98f2ff12753d4a9f197da776942b7d84f23ba294d4988ab5b3757f630cfac07c003a5c35cee664b
ripemd-160
8dea3b198d200c2f546e62913a5a5b11953cf865
Diameter
42206982
Circumference
132597144.5814
Area
1.3991313236496E+15
Volume
3.9368740395277E+22
Surface area
5.5965252945984E+15
Circumference
132597144.5814
Perimeter
84413964
Area
445357332387081
Diagonal
29844843.185619
Surface area
2672143994322486
Volume
9.3985944558148E+21
Space diagonal
36552318.629073
Perimeter
63310473
Area
1.9284538180444E+14
Altitude
18276159.314536
Surface area
1.9284538180444E+14
Volume
1.1076349788882E+21
Height
9948281.0618729