21521608 is an even 8-digits composite number following 21521607
and preceding 21521609 . In scientific notation, it is written as 2.1521608 × 10^7.
The sum of its digits is 25. It has a total of 4 prime factors and 8 positive divisors.
There are 10760800 positive integers (up to 21521608) that are relatively prime to 21521608.
21521608 has 8 divisors, whose sum is 40353030
The reverse of 21521608 is 80612512
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty-one million five hundred twenty-one thousand six hundred eight
Scientific notation
2.1521608 × 10^7
Engineering notation
2.1521608 × 10^6
Prime Factorization
2 × 2 × 2 × 2690201
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
5380402
Product of the distinct prime numbers
The prime factorization of 21521608 is 2 × 2 × 2 × 2690201.
Since it has a total of 4 prime factors.
7 , 9 , 33 , 94 , 352 , 942 , 6794 , 1003 , 628 , 33825 , 975191 , 526534 , 4172285 , 9424011 , 50572452 , 98255131 , 156527506 , 339822060 , 5759797880 , 849076084
n×2
43043216
n×3
64564824
n×4
86086432
n×5
107608040
n÷2
10760804
n÷3
7173869.3333333
n÷3
5380402
n÷5
4304321.6
n2
463179610905664
n3
9.9683700195042E+21
n4
2.1453535195872E+29
n5
4.6171457469977E+36
2 √n
4639.1387131665
3 √n
278.15801102933
4 √n
68.111223107257
5 √n
29.280260980774
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
-21521607
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 21521608 can be divided by 8 positive divisors.
The sum of these divisors (counting 21521608) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010010000110010011001000
3
Ternary
1111111102002121
4
Quaternary
1102012103020
5
Quinary
21002142413
6
Senary
2045141024
8
Octal
122062310
10
Decimal
21521608
12
Duodecimal
725a774
16
Hexadecimal
14864c8
20
Vigesimal
6ea408
36
Base36
cta6g
md5
870e5481e4f08fdb9c0747786113c153
sha1
9989612f6ff86f1d3f58409413a4e6e5582b061f
sha256
805ab47d603b409f59f2d568e3d4284befba79022c9cbfd6f9f074e61d6797c7
sha512
5730c672bed55e5b483131b711130bbaedfab0ddb432f745228fffd5fd8c82dda8d12e0b63120e8cda7e172beaf6ba1c5baa8bb275496a4a07bdce64f03538e7
ripemd-160
a3a8184ee2fd7a429b03ed6249f954b714577cad
Diameter
43043216
Circumference
135224251.17248
Area
1.4551216629138E+15
Volume
4.1755410695386E+22
Surface area
5.8204866516553E+15
Circumference
135224251.17248
Perimeter
86086432
Area
463179610905664
Diagonal
30436149.917677
Surface area
2779077665433984
Volume
9.9683700195042E+21
Space diagonal
37276518.516581
Perimeter
64564824
Area
2.0056265477965E+14
Altitude
18638259.25829
Surface area
2.0056265477965E+14
Volume
1.174783673028E+21
Height
10145383.305892