21491110 is an even 8-digits composite number following 21491109
and preceding 21491111 . In scientific notation, it is written as 2.1491110 × 10^7.
The sum of its digits is 19. It has a total of 3 prime factors and 8 positive divisors.
There are 8596440 positive integers (up to 21491110) that are relatively prime to 21491110.
21491110 has 8 divisors, whose sum is 38684016
The reverse of 21491110 is 01119412
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 19
Digital Root 1
Name
twenty-one million four hundred ninety-one thousand one hundred ten
Scientific notation
2.1491110 × 10^7
Engineering notation
2.1491110 × 10^6
Prime Factorization
2 × 5 × 2149111
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21491110
Product of the distinct prime numbers
The prime factorization of 21491110 is 2 × 5 × 2149111.
Since it has a total of 3 prime factors.
2 , 1 , 46 , 86 , 943 , 191 , 8304 , 8625 , 97778 , 77133 , 313832 , 83712 , 5759979 , 5297096 , 59322967 , 26552560 , 576541450 , 793568405 , 4692742 , 6569946262
n×2
42982220
n×3
64473330
n×4
85964440
n×5
107455550
n÷2
10745555
n÷3
7163703.3333333
n÷3
5372777.5
n÷5
4298222
n2
461867809032100
n3
9.9260518893679E+21
n4
2.1332187302011E+29
n5
4.5845238384813E+36
2 √n
4635.8505152776
3 √n
278.02655750979
4 √n
68.087080384443
5 √n
29.271957734959
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
-21491109
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 21491110 can be divided by 8 positive divisors.
The sum of these divisors (counting 21491110) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010001111110110110100110
3
Ternary
1111102212021001
4
Quaternary
1101332312212
5
Quinary
21000203420
6
Senary
2044343514
8
Octal
121766646
10
Decimal
21491110
12
Duodecimal
7244b9a
16
Hexadecimal
147eda6
20
Vigesimal
6e67fa
36
Base36
csmna
md5
d1d6d0e9f9fa784ef5678c27a68260ba
sha1
e8d1825655c1ed1202ac96700f7a185b893dd141
sha256
74b2be6f36d6fa4a8a040ba9daa2ae1534f7cfa7ce13d05a41d8f31529ad7f22
sha512
2716d871dffe5ed173ffb5635877549e6af4f7e9e55c043a012b1b7cb0fe80880ef79a4548a961f962ca05487421461264b9f9d00f2cf726b32b9920a3d3797e
ripemd-160
d52757027144a1ac82e528377865d1bc39735350
Diameter
42982220
Circumference
135032626.58698
Area
1.4510005157849E+15
Volume
4.1578148926386E+22
Surface area
5.8040020631394E+15
Circumference
135032626.58698
Perimeter
85964440
Area
461867809032100
Diagonal
30393019.232452
Surface area
2771206854192600
Volume
9.9260518893679E+21
Space diagonal
37223694.431052
Perimeter
64473330
Area
1.9999462790603E+14
Altitude
18611847.215526
Surface area
1.9999462790603E+14
Volume
1.1697964335636E+21
Height
10131006.410817