21026972 is an even 8-digits composite number following 21026971
and preceding 21026973 . In scientific notation, it is written as 2.1026972 × 10^7.
The sum of its digits is 29. It has a total of 5 prime factors and 24 positive divisors.
There are 10051776 positive integers (up to 21026972) that are relatively prime to 21026972.
21026972 has 24 divisors, whose sum is 38438400
The reverse of 21026972 is 27962012
Previous prime number is 109
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty-one million twenty-six thousand nine hundred seventy-two
Scientific notation
2.1026972 × 10^7
Engineering notation
2.1026972 × 10^6
Prime Factorization
2 × 2 × 29 × 109 × 1663
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10513486
Product of the distinct prime numbers
The prime factorization of 21026972 is 2 × 2 × 29 × 109 × 1663.
Since it has a total of 5 prime factors.
5 , 5 , 64 , 57 , 130 , 499 , 3554 , 2206 , 66107 , 54450 , 438021 , 284890 , 4417766 , 4950943 , 3179861 , 45546163 , 793351458 , 679177060 , 8977252580 , 6384283166
n×2
42053944
n×3
63080916
n×4
84107888
n×5
105134860
n÷2
10513486
n÷3
7008990.6666667
n÷3
5256743
n÷5
4205394.4
n2
442133551488784
n3
9.2967298074152E+21
n4
1.9548207735209E+29
n5
4.1103961669841E+36
2 √n
4585.5176370831
3 √n
276.0104840938
4 √n
67.716450269363
5 √n
29.144415328258
1 , 2 , 4 , 29 , 58 , 109 , 116 , 218 , 436 , 1663 , 3161 , 3326 , 6322 , 6652 , 12644 , 48227 , 96454 , 181267 , 192908 , 362534 , 725068 , 5256743 , 10513486 , 21026972
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
-21026971
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 21026972 can be divided by 24 positive divisors.
The sum of these divisors (counting 21026972) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010000001101100010011100
3
Ternary
1110120021120202
4
Quaternary
1100031202130
5
Quinary
20340330342
6
Senary
2030403032
8
Octal
120154234
10
Decimal
21026972
12
Duodecimal
7060478
16
Hexadecimal
140d89c
20
Vigesimal
6b878c
36
Base36
cioik
md5
4f19bbe73056cb7bef4b4efcf78ed69c
sha1
ef862e1624e2e6756ea7b1b557a68bdb81e90ca4
sha256
952d267742ed3bb6ed061b61466c53efcba4713dd256ce472fe4bb427ed0d281
sha512
e1afba3f30824abc0bdb614901bca8fb3002c72060e4b05239ba8b0051f3ee665f2204a352c8d92c2038c0665ea3ffe9596a1fba4d1734691e4794e30ad36cae
ripemd-160
add2952c22955ba3fb3f572f26ffe713e63d665b
Diameter
42053944
Circumference
132116361.52488
Area
1.3890035172627E+15
Volume
3.8942050753847E+22
Surface area
5.5560140690509E+15
Circumference
132116361.52488
Perimeter
84107888
Area
442133551488784
Diagonal
29736628.978039
Surface area
2652801308932704
Volume
9.2967298074152E+21
Space diagonal
36419783.833328
Perimeter
63080916
Area
1.9144944372736E+14
Altitude
18209891.916664
Surface area
1.9144944372736E+14
Volume
1.0956301149471E+21
Height
9912209.6593464