21122912 is an even 8-digits composite number following 21122911
and preceding 21122913 . In scientific notation, it is written as 2.1122912 × 10^7.
The sum of its digits is 20. It has a total of 7 prime factors and 24 positive divisors.
There are 10518912 positive integers (up to 21122912) that are relatively prime to 21122912.
21122912 has 24 divisors, whose sum is 41753376
The reverse of 21122912 is 21922112
Previous prime number is 277
Is Prime? no
Number parity even
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty-one million one hundred twenty-two thousand nine hundred twelve
Scientific notation
2.1122912 × 10^7
Engineering notation
2.1122912 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 277 × 2383
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
7
Total number of prime factors
rad
Radical
1320182
Product of the distinct prime numbers
The prime factorization of 21122912 is 2 × 2 × 2 × 2 × 2 × 277 × 2383.
Since it has a total of 7 prime factors.
2 , 3 , 73 , 34 , 815 , 396 , 6213 , 7068 , 54699 , 7948 , 168083 , 357587 , 5185315 , 7313199 , 39886668 , 64467890 , 577629128 , 96694073 , 876597686 , 6306263784
n×2
42245824
n×3
63368736
n×4
84491648
n×5
105614560
n÷2
10561456
n÷3
7040970.6666667
n÷3
5280728
n÷5
4224582.4
n2
446177411359744
n3
9.4245661965397E+21
n4
1.9907428240768E+29
n5
4.2050285487606E+36
2 √n
4595.9669276443
3 √n
276.429632627
4 √n
67.793561107559
5 √n
29.170962431533
1 , 2 , 4 , 8 , 16 , 32 , 277 , 554 , 1108 , 2216 , 2383 , 4432 , 4766 , 8864 , 9532 , 19064 , 38128 , 76256 , 660091 , 1320182 , 2640364 , 5280728 , 10561456 , 21122912
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21122911
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21122912 can be divided by 24 positive divisors.
The sum of these divisors (counting 21122912) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010000100100111101100000
3
Ternary
1110202011012002
4
Quaternary
1100210331200
5
Quinary
20401413122
6
Senary
2032423132
8
Octal
120447540
10
Decimal
21122912
12
Duodecimal
70a7aa8
16
Hexadecimal
1424f60
20
Vigesimal
6c075c
36
Base36
ckqjk
md5
004fd694dccb5e9c643071f6bd89be28
sha1
ca5b63741c2ae17166ee42b8e2387c2c89fd4daa
sha256
8e214d3955aa56362e7abcc8f18b9ea035eddd44aa8fecc0c363751d7eca6b3a
sha512
1b179b965284384197d064d185f48587fd9acf44d5ed71280dfdb10863057ce29439b58e756ae84eeae2d69d90a79c8f61596bcbc8b801d5053fe23cb2270457
ripemd-160
a01d1d96a2f3c544c1887d709466919c99d118e0
Diameter
42245824
Circumference
132719170.32325
Area
1.4017076777255E+15
Volume
3.9477530568426E+22
Surface area
5.6068307109019E+15
Circumference
132719170.32325
Perimeter
84491648
Area
446177411359744
Diagonal
29872308.627213
Surface area
2677064468158464
Volume
9.4245661965397E+21
Space diagonal
36585956.787806
Perimeter
63368736
Area
1.9320048641616E+14
Altitude
18292978.393903
Surface area
1.9320048641616E+14
Volume
1.1106957778858E+21
Height
9957436.2090711