21253386 is an even 8-digits composite number following 21253385
and preceding 21253387 . In scientific notation, it is written as 2.1253386 × 10^7.
The sum of its digits is 30. It has a total of 5 prime factors and 32 positive divisors.
There are 5468160 positive integers (up to 21253386) that are relatively prime to 21253386.
21253386 has 32 divisors, whose sum is 46656000
The reverse of 21253386 is 68335212
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-one million two hundred fifty-three thousand three hundred eighty-six
Scientific notation
2.1253386 × 10^7
Engineering notation
2.1253386 × 10^6
Prime Factorization
2 × 1799 × 11 × 3 × 179
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
21253386
Product of the distinct prime numbers
The prime factorization of 21253386 is 2 × 1799 × 11 × 3 × 179.
Since it has a total of 5 prime factors.
4 , 9 , 78 , 81 , 141 , 475 , 5478 , 7676 , 10595 , 30382 , 991322 , 738185 , 4500712 , 6790172 , 19289837 , 79199908 , 416495427 , 723942956 , 5903624991 , 4642521923
n×2
42506772
n×3
63760158
n×4
85013544
n×5
106266930
n÷2
10626693
n÷3
7084462
n÷3
5313346.5
n÷5
4250677.2
n2
451706416464996
n3
9.6002908278073E+21
n4
2.0403868667565E+29
n5
4.3365129668506E+36
2 √n
4610.1394772827
3 √n
276.9976236508
4 √n
67.898007903639
5 √n
29.206910912699
1 , 2 , 3 , 6 , 11 , 22 , 33 , 66 , 179 , 358 , 537 , 1074 , 1799 , 1969 , 3598 , 3938 , 5397 , 5907 , 10794 , 11814 , 19789 , 39578 , 59367 , 118734 , 322021 , 644042 , 966063 , 1932126 , 3542231 , 7084462 , 10626693 , 21253386
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
-21253385
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 21253386 can be divided by 32 positive divisors.
The sum of these divisors (counting 21253386) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010001000100110100001010
3
Ternary
1110222210011110
4
Quaternary
1101010310022
5
Quinary
20420102021
6
Senary
2035311150
8
Octal
121046412
10
Decimal
21253386
12
Duodecimal
714b4b6
16
Hexadecimal
1444d0a
20
Vigesimal
6cgd96
36
Base36
cnj7u
md5
e3ce543bf6d26d3c6477b6e053c1cd0c
sha1
d175bb5d9a55b5094bffef12e723ee3673ca702e
sha256
693402cf5abfd8d8491ea48f53246373f51ef0080306f3a3741e14ded2c0208f
sha512
1a7837c6a8fbd24ca8611e676967f70f5d9f59e07bced68d5f50e4f2a798efe432e0d9c9b8d32ddbbb0a6e404d96dff69b39833e88ce7ac6eaffb079aa2c77df
ripemd-160
3b64ccac481ade61716c90f8f666352308c6aebe
Diameter
42506772
Circumference
133538962.64302
Area
1.4190775595458E+15
Volume
4.021360418262E+22
Surface area
5.6763102381832E+15
Circumference
133538962.64302
Perimeter
85013544
Area
451706416464996
Diagonal
30056826.72755
Surface area
2710238498789976
Volume
9.6002908278073E+21
Space diagonal
36811944.384873
Perimeter
63760158
Area
1.9559461585556E+14
Altitude
18405972.192437
Surface area
1.9559461585556E+14
Volume
1.1314051242843E+21
Height
10018942.242517