21490149 is an odd 8-digits composite number following 21490148
and preceding 21490150 . In scientific notation, it is written as 2.1490149 × 10^7.
The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors.
There are 14326764 positive integers (up to 21490149) that are relatively prime to 21490149.
21490149 has 4 divisors, whose sum is 28653536
The reverse of 21490149 is 94109412
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-one million four hundred ninety thousand one hundred forty-nine
Scientific notation
2.1490149 × 10^7
Engineering notation
2.1490149 × 10^6
Prime Factorization
3 × 7163383
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21490149
Product of the distinct prime numbers
The prime factorization of 21490149 is 3 × 7163383.
Since it has a total of 2 prime factors.
6 , 1 , 19 , 83 , 76 , 180 , 6711 , 3172 , 28236 , 26644 , 442859 , 583001 , 4104616 , 1788802 , 28500415 , 82442299 , 434480678 , 205945327 , 1416506203 , 3964291534
n×2
42980298
n×3
64470447
n×4
85960596
n×5
107450745
n÷2
10745074.5
n÷3
7163383
n÷3
5372537.25
n÷5
4298029.8
n2
461826504042201
n3
9.924720384016E+21
n4
2.1328371983584E+29
n5
4.5834989185465E+36
2 √n
4635.7468653929
3 √n
278.0224133543
4 √n
68.086319223416
5 √n
29.271695944344
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
-21490148
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 21490149 can be divided by 4 positive divisors.
The sum of these divisors (counting 21490149) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010001111110100111100101
3
Ternary
1111102210221110
4
Quaternary
1101332213211
5
Quinary
21000141044
6
Senary
2044335233
8
Octal
121764745
10
Decimal
21490149
12
Duodecimal
7244519
16
Hexadecimal
147e9e5
20
Vigesimal
6e6579
36
Base36
cslwl
md5
229bfb73bd191e30a7b0359cf743cd0f
sha1
d72557aa0f1077fdb3b00bb9bd3783d2b63acf72
sha256
20036ed8288d1ec4b02c927a06d93c9f56dc4222982c29eede830ad0599d27e5
sha512
be252d6994b5278e4b6cdba7b7bcfc053e2f7124beed71edc79c0c0372b24d56f18ad0a53b00fb4f46ddadd4053e82ac0b1584f8511c77dc11d47fdd8e2011d7
ripemd-160
33f57b7b39d10e0903e03830e5c53f927dabbe04
Diameter
42980298
Circumference
135026588.4459
Area
1.450870752332E+15
Volume
4.157257152981E+22
Surface area
5.8034830093281E+15
Circumference
135026588.4459
Perimeter
85960596
Area
461826504042201
Diagonal
30391660.173219
Surface area
2770959024253206
Volume
9.924720384016E+21
Space diagonal
37222029.930225
Perimeter
64470447
Area
1.9997674232075E+14
Altitude
18611014.965113
Surface area
1.9997674232075E+14
Volume
1.169639514153E+21
Height
10130553.391073