21506572 is an even 8-digits composite number following 21506571
and preceding 21506573 . In scientific notation, it is written as 2.1506572 × 10^7.
The sum of its digits is 28. It has a total of 5 prime factors and 24 positive divisors.
There are 10532160 positive integers (up to 21506572) that are relatively prime to 21506572.
21506572 has 24 divisors, whose sum is 38419920
The reverse of 21506572 is 27560512
Previous prime number is 461
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty-one million five hundred six thousand five hundred seventy-two
Scientific notation
2.1506572 × 10^7
Engineering notation
2.1506572 × 10^6
Prime Factorization
2 × 2 × 109 × 461 × 107
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10753286
Product of the distinct prime numbers
The prime factorization of 21506572 is 2 × 2 × 109 × 461 × 107.
Since it has a total of 5 prime factors.
5 , 8 , 24 , 43 , 73 , 50 , 6888 , 3523 , 99700 , 50351 , 581148 , 975954 , 4699948 , 7838081 , 60533525 , 89754682 , 927188163 , 981977216 , 7868689735 , 7909938329
n×2
43013144
n×3
64519716
n×4
86026288
n×5
107532860
n÷2
10753286
n÷3
7168857.3333333
n÷3
5376643
n÷5
4301314.4
n2
462532639191184
n3
9.9474915071152E+21
n4
2.1393644231716E+29
n5
4.6010395001179E+36
2 √n
4637.5178705855
3 √n
278.09321788074
4 √n
68.099323569221
5 √n
29.276168525511
1 , 2 , 4 , 107 , 109 , 214 , 218 , 428 , 436 , 461 , 922 , 1844 , 11663 , 23326 , 46652 , 49327 , 50249 , 98654 , 100498 , 197308 , 200996 , 5376643 , 10753286 , 21506572
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21506571
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21506572 can be divided by 24 positive divisors.
The sum of these divisors (counting 21506572) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010010000010101000001100
3
Ternary
1111110122110201
4
Quaternary
1102002220030
5
Quinary
21001202242
6
Senary
2044543244
8
Octal
122025014
10
Decimal
21506572
12
Duodecimal
7251b24
16
Hexadecimal
1482a0c
20
Vigesimal
6e868c
36
Base36
csyks
md5
1fe199cbbe6497994d1e4765a1b10964
sha1
d96ce12d67f98cd229b4034ac52f52249b518e76
sha256
4e073e9e884e3765748cad33bf4fb1ff8b19a7a07e147b3d93d02f6c7be11e8e
sha512
3d0e70b0c71a4d486f91c2a43de149b0bfce635659d48ca03bc3cdcb1403de82aa855a6a3ee5a23856bbff4aefa3c1356f967c9b7c526b62c6300e3fbd960c1f
ripemd-160
d2a5f4388158b67fadb0324c16c2f868fc160a6c
Diameter
43013144
Circumference
135129777.1982
Area
1.4530891413285E+15
Volume
4.16679549872E+22
Surface area
5.8123565653141E+15
Circumference
135129777.1982
Perimeter
86026288
Area
462532639191184
Diagonal
30414885.802553
Surface area
2775195835147104
Volume
9.9474915071152E+21
Space diagonal
37250475.400638
Perimeter
64519716
Area
2.0028250780951E+14
Altitude
18625237.700319
Surface area
2.0028250780951E+14
Volume
1.1723231167461E+21
Height
10138295.267518