21241870 is an even 8-digits composite number following 21241869
and preceding 21241871 . In scientific notation, it is written as 2.1241870 × 10^7.
The sum of its digits is 25. It has a total of 5 prime factors and 32 positive divisors.
There are 7692672 positive integers (up to 21241870) that are relatively prime to 21241870.
21241870 has 32 divisors, whose sum is 41967072
The reverse of 21241870 is 07814212
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty-one million two hundred forty-one thousand eight hundred seventy
Scientific notation
2.1241870 × 10^7
Engineering notation
2.1241870 × 10^6
Prime Factorization
2 × 5 × 53 × 13 × 3083
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
21241870
Product of the distinct prime numbers
The prime factorization of 21241870 is 2 × 5 × 53 × 13 × 3083.
Since it has a total of 5 prime factors.
7 , 7 , 28 , 22 , 273 , 844 , 7459 , 7071 , 49829 , 19767 , 195644 , 199264 , 4638748 , 3656456 , 84909748 , 8761329 , 867831340 , 338791272 , 8578042835 , 463187564
n×2
42483740
n×3
63725610
n×4
84967480
n×5
106209350
n÷2
10620935
n÷3
7080623.3333333
n÷3
5310467.5
n÷5
4248374
n2
451217041096900
n3
9.584693728765E+21
n4
2.0359681817624E+29
n5
4.3247771441134E+36
2 √n
4608.8903219756
3 √n
276.94758486404
4 √n
67.888808517867
5 √n
29.203745114001
1 , 2 , 5 , 10 , 13 , 26 , 53 , 65 , 106 , 130 , 265 , 530 , 689 , 1378 , 3083 , 3445 , 6166 , 6890 , 15415 , 30830 , 40079 , 80158 , 163399 , 200395 , 326798 , 400790 , 816995 , 1633990 , 2124187 , 4248374 , 10620935 , 21241870
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
-21241869
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 21241870 can be divided by 32 positive divisors.
The sum of these divisors (counting 21241870) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010001000010000000001110
3
Ternary
1110222012100221
4
Quaternary
1101002000032
5
Quinary
20414214440
6
Senary
2035141554
8
Octal
121020016
10
Decimal
21241870
12
Duodecimal
71448ba
16
Hexadecimal
144200e
20
Vigesimal
6cf4da
36
Base36
cnaby
md5
7e43e42fb90912088c40e6fa8f0302b8
sha1
7577d9c698953108d69cc2e195b3e72b0b946253
sha256
5467e170c465f798b74cc26a1d207cb43addb9ff983c0d4d3584a9a639b031f1
sha512
4b93adc31a407873dbdab3d3f6c5bcb16e3c5a130d6693a036cee73602035a7f5a2df69ae137324f976dde4649675fde3ae627ca00fa45fabfc570e46104cbdf
ripemd-160
ffd030d9478a31e5ce9ee435fa81afe51184124a
Diameter
42483740
Circumference
133466605.48102
Area
1.4175401414845E+15
Volume
4.0148271206928E+22
Surface area
5.6701605659382E+15
Circumference
133466605.48102
Perimeter
84967480
Area
451217041096900
Diagonal
30040540.644166
Surface area
2707302246581400
Volume
9.584693728765E+21
Space diagonal
36791998.087773
Perimeter
63725610
Area
1.9538271010518E+14
Altitude
18395999.043887
Surface area
1.9538271010518E+14
Volume
1.1295669885343E+21
Height
10013513.548055