21054912 is an even 8-digits composite number following 21054911
and preceding 21054913 . In scientific notation, it is written as 2.1054912 × 10^7.
The sum of its digits is 24. It has a total of 8 prime factors and 28 positive divisors.
There are 7018240 positive integers (up to 21054912) that are relatively prime to 21054912.
21054912 has 28 divisors, whose sum is 55708296
The reverse of 21054912 is 21945012
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty-one million fifty-four thousand nine hundred twelve
Scientific notation
2.1054912 × 10^7
Engineering notation
2.1054912 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2 × 3 × 109661
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
8
Total number of prime factors
rad
Radical
657966
Product of the distinct prime numbers
The prime factorization of 21054912 is 2 × 2 × 2 × 2 × 2 × 2 × 3 × 109661.
Since it has a total of 8 prime factors.
4 , 2 , 79 , 21 , 485 , 548 , 561 , 1170 , 55286 , 57270 , 754236 , 9829 , 9891350 , 8808556 , 83849192 , 18927659 , 18128950 , 558286979 , 6201934779 , 7837079254
n×2
42109824
n×3
63164736
n×4
84219648
n×5
105274560
n÷2
10527456
n÷3
7018304
n÷3
5263728
n÷5
4210982.4
n2
443309319327744
n3
9.3338387072255E+21
n4
1.9652315260283E+29
n5
4.1377776840151E+36
2 √n
4588.5631738051
3 √n
276.13268142745
4 √n
67.738933958286
5 √n
29.152156457174
1 , 2 , 3 , 4 , 6 , 8 , 12 , 16 , 24 , 32 , 48 , 64 , 96 , 192 , 109661 , 219322 , 328983 , 438644 , 657966 , 877288 , 1315932 , 1754576 , 2631864 , 3509152 , 5263728 , 7018304 , 10527456 , 21054912
28 divisors
τ
Total Divisors
28
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21054911
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.035714285714286
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
28
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21054912 can be divided by 28 positive divisors.
The sum of these divisors (counting 21054912) is 1, the average is 0.035714285714286.
Base
System
Value
2
Binary
1010000010100010111000000
3
Ternary
1110121200220120
4
Quaternary
1100110113000
5
Quinary
20342224122
6
Senary
2031140240
8
Octal
120242700
10
Decimal
21054912
12
Duodecimal
7074680
16
Hexadecimal
14145c0
20
Vigesimal
6bbh5c
36
Base36
cja2o
md5
2747fc66121ece4c301131b983a7705d
sha1
db54d37f9e0d5f80997bbd1553ff0f0382859060
sha256
9304b990ca235fb365f615fecba7df1eec81d3890a98adfb1bc5ba261fac0dcd
sha512
1369e9101f97a28fa36e59570f11d160030eb2893e56f457f4a66de3fcbf8816756703d4b4545a74c3b92950d7952b6c533f710284bae15153d5e0f246c09374
ripemd-160
7df034e7d0d5c896ae36b38f93157a75f5cd841a
Diameter
42109824
Circumference
132291913.72236
Area
1.3926973008679E+15
Volume
3.9097492149882E+22
Surface area
5.5707892034717E+15
Circumference
132291913.72236
Perimeter
84219648
Area
443309319327744
Diagonal
29776142.104972
Surface area
2659855915966464
Volume
9.3338387072255E+21
Space diagonal
36468177.332892
Perimeter
63164736
Area
1.9195856613611E+14
Altitude
18234088.666446
Surface area
1.9195856613611E+14
Volume
1.1000034407301E+21
Height
9925380.7016573