21254798 is an even 8-digits composite number following 21254797
and preceding 21254799 . In scientific notation, it is written as 2.1254798 × 10^7.
The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors.
There are 10298016 positive integers (up to 21254798) that are relatively prime to 21254798.
21254798 has 16 divisors, whose sum is 32877600
The reverse of 21254798 is 89745212
Previous prime number is 349
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty-one million two hundred fifty-four thousand seven hundred ninety-eight
Scientific notation
2.1254798 × 10^7
Engineering notation
2.1254798 × 10^6
Prime Factorization
2 × 37 × 349 × 823
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21254798
Product of the distinct prime numbers
The prime factorization of 21254798 is 2 × 37 × 349 × 823.
Since it has a total of 4 prime factors.
5 , 5 , 84 , 23 , 232 , 508 , 7046 , 2770 , 29093 , 17377 , 147775 , 629734 , 4049380 , 8648678 , 61271117 , 79145643 , 650240675 , 356712353 , 4050715032 , 9196197783
n×2
42509596
n×3
63764394
n×4
85019192
n×5
106273990
n÷2
10627399
n÷3
7084932.6666667
n÷3
5313699.5
n÷5
4250959.6
n2
451766438020804
n3
9.6022043833117E+21
n4
2.04092914522E+29
n5
4.3379536713965E+36
2 √n
4610.2926154421
3 √n
277.00375776332
4 √n
67.899135601583
5 √n
29.207298983215
1 , 2 , 37 , 74 , 349 , 698 , 823 , 1646 , 12913 , 25826 , 30451 , 60902 , 287227 , 574454 , 10627399 , 21254798
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
-21254797
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 21254798 can be divided by 16 positive divisors.
The sum of these divisors (counting 21254798) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001000101001010001110
3
Ternary
1110222212002202
4
Quaternary
1101011022032
5
Quinary
20420123143
6
Senary
2035321502
8
Octal
121051216
10
Decimal
21254798
12
Duodecimal
7150292
16
Hexadecimal
144528e
20
Vigesimal
6cggji
36
Base36
cnkb2
md5
979423500437d727ae8001d3afb05d99
sha1
294f32bddf62b89b7814f598bd4d679aae81e409
sha256
3377cc957dac7b474bbfe0be1844715dd1481d27f0bdd0c2a527bed37568b2a5
sha512
3718a5805a968a77b9eda80bb1f6f2f7f78bbe933b1fbd6cd4c444f18c3d56729fc6ecb8063e38ce987e5bcfc0f4a38290e946c8c60b0a79f061a4925dec4205
ripemd-160
31515c63b80f2b0a3a27d6d6e361bd1f16bf594f
Diameter
42509596
Circumference
133547834.50067
Area
1.4192661228246E+15
Volume
4.0221619665173E+22
Surface area
5.6770644912983E+15
Circumference
133547834.50067
Perimeter
85019192
Area
451766438020804
Diagonal
30058823.597101
Surface area
2710598628124824
Volume
9.6022043833117E+21
Space diagonal
36814390.040613
Perimeter
63764394
Area
1.9562060595161E+14
Altitude
18407195.020307
Surface area
1.9562060595161E+14
Volume
1.1316306389632E+21
Height
10019607.8657