21000265 is an odd 8-digits composite number following 21000264
and preceding 21000266 . In scientific notation, it is written as 2.1000265 × 10^7.
The sum of its digits is 16. It has a total of 4 prime factors and 16 positive divisors.
There are 13474560 positive integers (up to 21000265) that are relatively prime to 21000265.
21000265 has 16 divisors, whose sum is 26500608
The reverse of 21000265 is 56200012
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 16
Digital Root 7
Name
twenty-one million two hundred sixty-five
Scientific notation
2.1000265 × 10^7
Engineering notation
2.1000265 × 10^6
Prime Factorization
143 × 5 × 23 × 1277
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21000265
Product of the distinct prime numbers
The prime factorization of 21000265 is 143 × 5 × 23 × 1277.
Since it has a total of 4 prime factors.
5 , 10 , 28 , 14 , 884 , 906 , 9346 , 5625 , 41420 , 65560 , 318371 , 526882 , 8423197 , 306090 , 8969914 , 29473549 , 488869386 , 663469948 , 4545144452 , 7050344376
n×2
42000530
n×3
63000795
n×4
84001060
n×5
105001325
n÷2
10500132.5
n÷3
7000088.3333333
n÷3
5250066.25
n÷5
4200053
n2
441011130070225
n3
9.2613505994242E+21
n4
1.9449081684582E+29
n5
4.0843586938286E+36
2 √n
4582.6046087351
3 √n
275.89357813308
4 √n
67.694937836851
5 √n
29.137008121464
1 , 5 , 23 , 115 , 143 , 715 , 1277 , 3289 , 6385 , 16445 , 29371 , 146855 , 182611 , 913055 , 4200053 , 21000265
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
-21000264
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 21000265 can be divided by 16 positive divisors.
The sum of these divisors (counting 21000265) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000000111000001001001
3
Ternary
1110111220221121
4
Quaternary
1100013001021
5
Quinary
20334002030
6
Senary
2030035241
8
Octal
120070111
10
Decimal
21000265
12
Duodecimal
7048b21
16
Hexadecimal
1407049
20
Vigesimal
6b50d5
36
Base36
ci3wp
md5
c7e677296a72eb70da4b9b67b1f23fe4
sha1
1021f4b00b0b416c62471c4e78fe78d815186c32
sha256
26d72c8eb5a28dbaffd056ba53e5fac01cdfd0615d7f2ab515959f112b12451f
sha512
8dd0dbc81a30e0ca44b1390bb4c62feaef66b52ff7754fe79adde778a40235426038a0a918ed439f32ad07774c1037b2a596d3bbdc5e02b36abfdab3e838b6f3
ripemd-160
e4e63e1e02e30a2351f9ea65088990d615196ce3
Diameter
42000530
Circumference
131948556.49488
Area
1.38547732638E+15
Volume
3.8793854673961E+22
Surface area
5.5419093055198E+15
Circumference
131948556.49488
Perimeter
84001060
Area
441011130070225
Diagonal
29698859.576429
Surface area
2646066780421350
Volume
9.2613505994242E+21
Space diagonal
36373525.95241
Perimeter
63000795
Area
1.9096342099625E+14
Altitude
18186762.976205
Surface area
1.9096342099625E+14
Volume
1.0914606352998E+21
Height
9899619.8588097