21124578 is an even 8-digits composite number following 21124577
and preceding 21124579 . In scientific notation, it is written as 2.1124578 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 6756480 positive integers (up to 21124578) that are relatively prime to 21124578.
21124578 has 16 divisors, whose sum is 32300280
The reverse of 21124578 is 87542112
Previous prime number is 137
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-one million one hundred twenty-four thousand five hundred seventy-eight
Scientific notation
2.1124578 × 10^7
Engineering notation
2.1124578 × 10^6
Prime Factorization
2 × 93 × 137 × 829
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21124578
Product of the distinct prime numbers
The prime factorization of 21124578 is 2 × 93 × 137 × 829.
Since it has a total of 4 prime factors.
7 , 8 , 15 , 51 , 452 , 54 , 6220 , 6449 , 15420 , 53272 , 340889 , 398075 , 9952295 , 2131012 , 56622420 , 50455969 , 152062730 , 902641312 , 5820152869 , 2212007237
n×2
42249156
n×3
63373734
n×4
84498312
n×5
105622890
n÷2
10562289
n÷3
7041526
n÷3
5281144.5
n÷5
4224915.6
n2
446247795678084
n3
9.4267963671297E+21
n4
1.9913709514755E+29
n5
4.2066870991378E+36
2 √n
4596.1481699353
3 √n
276.43689992772
4 √n
67.794897816394
5 √n
29.171422569702
1 , 2 , 93 , 137 , 186 , 274 , 829 , 1658 , 12741 , 25482 , 77097 , 113573 , 154194 , 227146 , 10562289 , 21124578
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
-21124577
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 21124578 can be divided by 16 positive divisors.
The sum of these divisors (counting 21124578) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000100101010111100010
3
Ternary
1110202020110210
4
Quaternary
1100211113202
5
Quinary
20401441303
6
Senary
2032434550
8
Octal
120452742
10
Decimal
21124578
12
Duodecimal
70a8a56
16
Hexadecimal
14255e2
20
Vigesimal
6c0b8i
36
Base36
ckrtu
md5
4ee96776d72125bb1a8a0f70a6b7b1cb
sha1
8c39792fe77d13121e7b01f05b3f08f2e937ebca
sha256
e739723f7bdd9b2d5b5089f3f37a8786bd3e37fa5b3e57b165d6273dc6e1253a
sha512
5896dbd104f83c7b99100a4d75cbb526a6fb1de57091ff565c5bfa752553a94d379ed0ce59e631e2263a3c08b1f6e001cbf8292add5ed9227e1ab1a92230e7bf
ripemd-160
37626f21e651fed2a9cb65b585b0ab63db3ce53a
Diameter
42249156
Circumference
132729638.10997
Area
1.4019287965829E+15
Volume
3.9486872285149E+22
Surface area
5.6077151863316E+15
Circumference
132729638.10997
Perimeter
84498312
Area
446247795678084
Diagonal
29874664.707008
Surface area
2677486774068504
Volume
9.4267963671297E+21
Space diagonal
36588842.384452
Perimeter
63373734
Area
1.9323096372001E+14
Altitude
18294421.192226
Surface area
1.9323096372001E+14
Volume
1.1109586060104E+21
Height
9958221.5690028