20921268 is an even 8-digits composite number following 20921267
and preceding 20921269 . In scientific notation, it is written as 2.0921268 × 10^7.
The sum of its digits is 30. It has a total of 5 prime factors and 24 positive divisors.
There are 6937920 positive integers (up to 20921268) that are relatively prime to 20921268.
20921268 has 24 divisors, whose sum is 49067200
The reverse of 20921268 is 86212902
Previous prime number is 199
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million nine hundred twenty-one thousand two hundred sixty-eight
Scientific notation
2.0921268 × 10^7
Engineering notation
2.0921268 × 10^6
Prime Factorization
2 × 2 × 3 × 199 × 8761
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10460634
Product of the distinct prime numbers
The prime factorization of 20921268 is 2 × 2 × 3 × 199 × 8761.
Since it has a total of 5 prime factors.
1 , 6 , 55 , 49 , 757 , 303 , 1789 , 5633 , 91516 , 89913 , 488900 , 272208 , 381299 , 9570649 , 36441667 , 87069221 , 6377791 , 358618602 , 8830707625 , 7966573582
n×2
41842536
n×3
62763804
n×4
83685072
n×5
104606340
n÷2
10460634
n÷3
6973756
n÷3
5230317
n÷5
4184253.6
n2
437699454727824
n3
9.1572275958147E+21
n4
1.9158081266903E+29
n5
4.0081135255067E+36
2 √n
4573.9772627332
3 √n
275.54719915789
4 √n
67.63118557835
5 √n
29.115054041761
1 , 2 , 3 , 4 , 6 , 12 , 199 , 398 , 597 , 796 , 1194 , 2388 , 8761 , 17522 , 26283 , 35044 , 52566 , 105132 , 1743439 , 3486878 , 5230317 , 6973756 , 10460634 , 20921268
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
-20921267
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 20921268 can be divided by 24 positive divisors.
The sum of these divisors (counting 20921268) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001111110011101110110100
3
Ternary
1110100220120210
4
Quaternary
1033303232310
5
Quinary
20323440033
6
Senary
2024225420
8
Octal
117635664
10
Decimal
20921268
12
Duodecimal
700b270
16
Hexadecimal
13f3bb4
20
Vigesimal
6af338
36
Base36
cgeyc
md5
4c2cdcb8929cfa44d1c5ac00e2c7578b
sha1
2f891cd63a2170f6498330c572cc383937b35dd6
sha256
b3e0c943036cfb4b83c476faf2eae97a552c0c4dea40e329b6a550db0d7b5dd1
sha512
74302428c74820049de072effe4053715ec5ef1c589dcc3ddca13f1a54d029b28b611a1041176736383faad20545474d4424d4f66bcec3153cf11e273f795c2e
ripemd-160
fc2d5be3e70fd1f51a34051ade21dfd3b2cc25a0
Diameter
41842536
Circumference
131452203.70517
Area
1.3750733914532E+15
Volume
3.8357705256348E+22
Surface area
5.5002935658128E+15
Circumference
131452203.70517
Perimeter
83685072
Area
437699454727824
Diagonal
29587140.947642
Surface area
2626196728366944
Volume
9.1572275958147E+21
Space diagonal
36236699.134765
Perimeter
62763804
Area
1.8952942350845E+14
Altitude
18118349.567382
Surface area
1.8952942350845E+14
Volume
1.0791896216449E+21
Height
9862380.3158807