21490190 is an even 8-digits composite number following 21490189
and preceding 21490191 . In scientific notation, it is written as 2.1490190 × 10^7.
The sum of its digits is 26. It has a total of 4 prime factors and 16 positive divisors.
There are 8584320 positive integers (up to 21490190) that are relatively prime to 21490190.
21490190 has 16 divisors, whose sum is 38735280
The reverse of 21490190 is 09109412
Previous prime number is 1361
Is Prime? no
Number parity even
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty-one million four hundred ninety thousand one hundred ninety
Scientific notation
2.1490190 × 10^7
Engineering notation
2.1490190 × 10^6
Prime Factorization
2 × 5 × 1361 × 1579
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21490190
Product of the distinct prime numbers
The prime factorization of 21490190 is 2 × 5 × 1361 × 1579.
Since it has a total of 4 prime factors.
4 , 3 , 41 , 81 , 231 , 456 , 384 , 2174 , 83354 , 7845 , 477028 , 357682 , 6219627 , 8675259 , 20910821 , 76400110 , 409812726 , 318622017 , 3197425206 , 5746252803
n×2
42980380
n×3
64470570
n×4
85960760
n×5
107450950
n÷2
10745095
n÷3
7163396.6666667
n÷3
5372547.5
n÷5
4298038
n2
461828266236100
n3
9.9247771887844E+21
n4
2.1328534749464E+29
n5
4.5835426418759E+36
2 √n
4635.7512875477
3 √n
278.02259016263
4 √n
68.086351698029
5 √n
29.271707113541
1 , 2 , 5 , 10 , 1361 , 1579 , 2722 , 3158 , 6805 , 7895 , 13610 , 15790 , 2149019 , 4298038 , 10745095 , 21490190
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21490189
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21490190 can be divided by 16 positive divisors.
The sum of these divisors (counting 21490190) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001111110101000001110
3
Ternary
1111102210222222
4
Quaternary
1101332220032
5
Quinary
21000141230
6
Senary
2044335342
8
Octal
121765016
10
Decimal
21490190
12
Duodecimal
7244552
16
Hexadecimal
147ea0e
20
Vigesimal
6e659a
36
Base36
cslxq
md5
d41c41b3b62af0d2425b568c46c655f7
sha1
d035e0b1d9086a47759f854c437f0054668d0517
sha256
bedf4037092fe46bba801e8f3122ece78dd10557bef498f24883a939531345ba
sha512
f0e36d70331a1472482c59226a789f4ca7b8a24095d42c2c0b3bfe2c3b8e4fa273f473b89b16389be1c91ebddc640ee9434f9f5bdf24d35e5512b702514de1f2
ripemd-160
078e2708d0cfbab8d2c8f1f625e375e937262317
Diameter
42980380
Circumference
135026846.0565
Area
1.4508762884274E+15
Volume
4.1572809473067E+22
Surface area
5.8035051537098E+15
Circumference
135026846.0565
Perimeter
85960760
Area
461828266236100
Diagonal
30391718.155975
Surface area
2770969597416600
Volume
9.9247771887844E+21
Space diagonal
37222100.944309
Perimeter
64470570
Area
1.9997750537309E+14
Altitude
18611050.472154
Surface area
1.9997750537309E+14
Volume
1.1696462086592E+21
Height
10130572.718658