21474490 is an even 8-digits composite number following 21474489
and preceding 21474491 . In scientific notation, it is written as 2.1474490 × 10^7.
The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors.
There are 8539456 positive integers (up to 21474490) that are relatively prime to 21474490.
21474490 has 16 divisors, whose sum is 38880648
The reverse of 21474490 is 09447412
Previous prime number is 173
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-one million four hundred seventy-four thousand four hundred ninety
Scientific notation
2.1474490 × 10^7
Engineering notation
2.1474490 × 10^6
Prime Factorization
2 × 5 × 173 × 12413
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21474490
Product of the distinct prime numbers
The prime factorization of 21474490 is 2 × 5 × 173 × 12413.
Since it has a total of 4 prime factors.
8 , 9 , 13 , 27 , 91 , 42 , 2830 , 2013 , 97004 , 54592 , 173049 , 963459 , 3082998 , 8077250 , 81839913 , 49505711 , 760360164 , 770360929 , 6378611008 , 8606568039
n×2
42948980
n×3
64423470
n×4
85897960
n×5
107372450
n÷2
10737245
n÷3
7158163.3333333
n÷3
5368622.5
n÷5
4294898
n2
461153720760100
n3
9.9030409649256E+21
n4
2.1266275417088E+29
n5
4.5668241878151E+36
2 √n
4634.0576172508
3 √n
277.95486906043
4 √n
68.073912898046
5 √n
29.267428880935
1 , 2 , 5 , 10 , 173 , 346 , 865 , 1730 , 12413 , 24826 , 62065 , 124130 , 2147449 , 4294898 , 10737245 , 21474490
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
-21474489
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 21474490 can be divided by 16 positive divisors.
The sum of these divisors (counting 21474490) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001111010110010111010
3
Ternary
1111102000110111
4
Quaternary
1101322302322
5
Quinary
20444140430
6
Senary
2044134534
8
Octal
121726272
10
Decimal
21474490
12
Duodecimal
723744a
16
Hexadecimal
147acba
20
Vigesimal
6e464a
36
Base36
cs9tm
md5
3fc1912d41f2da6d0f33636d877782b2
sha1
e6a72254b9b621c4c91354d38f4ee30dc7447104
sha256
080a8e045b98e339a5ee0f123873261828b4c0b144b15975f9290bc58ddb7442
sha512
9a4ea2e1040188237d917de6209c7cdd9beb555c2a483627bdb555f75571dabc42b0601d266175e1b8b53478f9fe832d9a12610dea7b50868edca91fb482a91f
ripemd-160
ce29c282faf2a1324621491d0cac3b34ea249ec2
Diameter
42948980
Circumference
134928200.04717
Area
1.4487571413155E+15
Volume
4.1481760991479E+22
Surface area
5.7950285652621E+15
Circumference
134928200.04717
Perimeter
85897960
Area
461153720760100
Diagonal
30369515.003045
Surface area
2766922324560600
Volume
9.9030409649256E+21
Space diagonal
37194907.74663
Perimeter
64423470
Area
1.9968541861398E+14
Altitude
18597453.873315
Surface area
1.9968541861398E+14
Volume
1.1670845701112E+21
Height
10123171.667682