21551653 is an odd 8-digits composite number following 21551652
and preceding 21551654 . In scientific notation, it is written as 2.1551653 × 10^7.
The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors.
There are 21539520 positive integers (up to 21551653) that are relatively prime to 21551653.
21551653 has 4 divisors, whose sum is 21563788
The reverse of 21551653 is 35615512
Previous prime number is 2161
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty-one million five hundred fifty-one thousand six hundred fifty-three
Scientific notation
2.1551653 × 10^7
Engineering notation
2.1551653 × 10^6
Prime Factorization
2161 × 9973
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21551653
Product of the distinct prime numbers
The prime factorization of 21551653 is 2161 × 9973.
Since it has a total of 2 prime factors.
9 , 4 , 65 , 43 , 460 , 645 , 8056 , 1644 , 73740 , 82810 , 585885 , 125639 , 9789216 , 4304968 , 11761063 , 28247685 , 28444139 , 488088123 , 5702354189 , 6569679917
n×2
43103306
n×3
64654959
n×4
86206612
n×5
107758265
n÷2
10775826.5
n÷3
7183884.3333333
n÷3
5387913.25
n÷5
4310330.6
n2
464473747032409
n3
1.0010177023652E+22
n4
2.1573586168233E+29
n5
4.6494644306335E+36
2 √n
4642.3757926303
3 √n
278.28739063449
4 √n
68.134982150363
5 √n
29.288431695527
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21551652
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21551653 can be divided by 4 positive divisors.
The sum of these divisors (counting 21551653) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010010001101101000100101
3
Ternary
1111112221022101
4
Quaternary
1102031220211
5
Quinary
21004123103
6
Senary
2045532101
8
Octal
122155045
10
Decimal
21551653
12
Duodecimal
7274031
16
Hexadecimal
148da25
20
Vigesimal
6edj2d
36
Base36
ctxd1
md5
d56a2035490fcbf708703367902a634d
sha1
5c94a7517cae6cbd6b35dce97e237b3d460f1888
sha256
fce939225aea494f576d5492f9523471d11384c9747d40e91f90c205296141e5
sha512
6b317c721506929c2bf47193206228018ecc7f7749473107ef3289fabee71f77d68a6b192456de7c23e75a881f3accac888fb6a340423eb50b8aaae59cbb0dc5
ripemd-160
663cd19873cfeb0b769d9e2dc45112f8e87aa893
Diameter
43103306
Circumference
135413029.47503
Area
1.4591873114623E+15
Volume
4.1930531464852E+22
Surface area
5.8367492458494E+15
Circumference
135413029.47503
Perimeter
86206612
Area
464473747032409
Diagonal
30478639.964159
Surface area
2786842482194454
Volume
1.0010177023652E+22
Space diagonal
37328557.983094
Perimeter
64654959
Area
2.0112303216051E+14
Altitude
18664278.991547
Surface area
2.0112303216051E+14
Volume
1.179710675717E+21
Height
10159546.65472