21253071 is an odd 8-digits composite number following 21253070
and preceding 21253072 . In scientific notation, it is written as 2.1253071 × 10^7.
The sum of its digits is 21. It has a total of 5 prime factors and 32 positive divisors.
There are 11658240 positive integers (up to 21253071) that are relatively prime to 21253071.
21253071 has 32 divisors, whose sum is 33712128
The reverse of 21253071 is 17035212
Previous prime number is 47
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty-one million two hundred fifty-three thousand seventy-one
Scientific notation
2.1253071 × 10^7
Engineering notation
2.1253071 × 10^6
Prime Factorization
3 × 7 × 61 × 47 × 353
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
21253071
Product of the distinct prime numbers
The prime factorization of 21253071 is 3 × 7 × 61 × 47 × 353.
Since it has a total of 5 prime factors.
10 , 2 , 100 , 60 , 325 , 862 , 3069 , 5536 , 49089 , 66347 , 517314 , 910104 , 2771900 , 4741127 , 34589787 , 78217430 , 603970429 , 29197660 , 1995666624 , 8879674856
n×2
42506142
n×3
63759213
n×4
85012284
n×5
106265355
n÷2
10626535.5
n÷3
7084357
n÷3
5313267.75
n÷5
4250614.2
n2
451693026931041
n3
9.5998639715703E+21
n4
2.0402659057813E+29
n5
4.3361916154448E+36
2 √n
4610.1053133307
3 √n
276.99625516796
4 √n
67.897756320299
5 √n
29.20682433608
1 , 3 , 7 , 21 , 47 , 61 , 141 , 183 , 329 , 353 , 427 , 987 , 1059 , 1281 , 2471 , 2867 , 7413 , 8601 , 16591 , 20069 , 21533 , 49773 , 60207 , 64599 , 116137 , 150731 , 348411 , 452193 , 1012051 , 3036153 , 7084357 , 21253071
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21253070
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21253071 can be divided by 32 positive divisors.
The sum of these divisors (counting 21253071) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010001000100101111001111
3
Ternary
1110222202201210
4
Quaternary
1101010233033
5
Quinary
20420044241
6
Senary
2035305503
8
Octal
121045717
10
Decimal
21253071
12
Duodecimal
714b293
16
Hexadecimal
1444bcf
20
Vigesimal
6cgcdb
36
Base36
cniz3
md5
6e029188d1361d2ea43b63b53ecd3282
sha1
4e51f6a7735fc96230e3b7c3726adbea970dc27c
sha256
9b640478e9df8150c52d8dcd351ad4e5a53125aac52f3c42a679431130e7ce09
sha512
fef4f4b3b6acb1eb8d373f83efef001deb8992d4cdd224288173abfef6108786730bc2d47d0d52a73f6e08d9278956ffc863e96c74810f4a23f9fceb9dc88c30
ripemd-160
2125b7d8c0d693e3ed6770ede839dfdc9ba709d4
Diameter
42506142
Circumference
133536983.43964
Area
1.4190354950843E+15
Volume
4.0211816171396E+22
Surface area
5.6761419803372E+15
Circumference
133536983.43964
Perimeter
85012284
Area
451693026931041
Diagonal
30056381.250278
Surface area
2710158161586246
Volume
9.5998639715703E+21
Space diagonal
36811398.788869
Perimeter
63759213
Area
1.9558881801729E+14
Altitude
18405699.394434
Surface area
1.9558881801729E+14
Volume
1.1313548187943E+21
Height
10018793.750093