21502904 is an even 8-digits composite number following 21502903
and preceding 21502905 . In scientific notation, it is written as 2.1502904 × 10^7.
The sum of its digits is 23. It has a total of 5 prime factors and 16 positive divisors.
There are 10568992 positive integers (up to 21502904) that are relatively prime to 21502904.
21502904 has 16 divisors, whose sum is 41002200
The reverse of 21502904 is 40920512
Previous prime number is 59
Is Prime? no
Number parity even
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty-one million five hundred two thousand nine hundred four
Scientific notation
2.1502904 × 10^7
Engineering notation
2.1502904 × 10^6
Prime Factorization
2 × 2 × 2 × 59 × 45557
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
5375726
Product of the distinct prime numbers
The prime factorization of 21502904 is 2 × 2 × 2 × 59 × 45557.
Since it has a total of 5 prime factors.
5 , 8 , 88 , 86 , 108 , 331 , 5941 , 2969 , 45217 , 3184 , 522239 , 641580 , 6845092 , 6512032 , 79571536 , 86933577 , 643455489 , 367930758 , 4590612180 , 939807810
n×2
43005808
n×3
64508712
n×4
86011616
n×5
107514520
n÷2
10751452
n÷3
7167634.6666667
n÷3
5375726
n÷5
4300580.8
n2
462374880433216
n3
9.9424026659669E+21
n4
2.1379053005563E+29
n5
4.5971172438953E+36
2 √n
4637.1223835478
3 √n
278.07740714904
4 √n
68.096419755724
5 √n
29.275169832527
1 , 2 , 4 , 8 , 59 , 118 , 236 , 472 , 45557 , 91114 , 182228 , 364456 , 2687863 , 5375726 , 10751452 , 21502904
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
-21502903
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 21502904 can be divided by 16 positive divisors.
The sum of these divisors (counting 21502904) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010010000001101110111000
3
Ternary
1111110110102212
4
Quaternary
1102001232320
5
Quinary
21001043104
6
Senary
2044514252
8
Octal
122015670
10
Decimal
21502904
12
Duodecimal
724b988
16
Hexadecimal
1481bb8
20
Vigesimal
6e7h54
36
Base36
csvqw
md5
b7a4f6e77e83122f16cb05a83fb601d5
sha1
bb3ba7ff7220a6630459ea1a5ef1d9042ccc0641
sha256
b82b92688879f5103a7c1d13e7acfb2331fa4a89b7361ecff8f4d8d2ee9ca0df
sha512
24d960ef8abe05a1f097be4b074a48359590eeb642927ef5ed87287fa28d80b0cb5f721901708d73fef377332345c79dd0bd65a311b9fbd9a23a95f9dc017f53
ripemd-160
652b3c62ec7b4e0b50615f76f702cbde41f05501
Diameter
43005808
Circumference
135106730.47449
Area
1.4525935275735E+15
Volume
4.1646638899244E+22
Surface area
5.8103741102938E+15
Circumference
135106730.47449
Perimeter
86011616
Area
462374880433216
Diagonal
30409698.467207
Surface area
2774249282599296
Volume
9.9424026659669E+21
Space diagonal
37244122.238276
Perimeter
64508712
Area
2.0021419626348E+14
Altitude
18622061.119138
Surface area
2.0021419626348E+14
Volume
1.1717233910654E+21
Height
10136566.155736