20921774 is an even 8-digits composite number following 20921773
and preceding 20921775 . In scientific notation, it is written as 2.0921774 × 10^7.
The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors.
There are 9878400 positive integers (up to 20921774) that are relatively prime to 20921774.
20921774 has 16 divisors, whose sum is 33140880
The reverse of 20921774 is 47712902
Previous prime number is 401
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty million nine hundred twenty-one thousand seven hundred seventy-four
Scientific notation
2.0921774 × 10^7
Engineering notation
2.0921774 × 10^6
Prime Factorization
2 × 19 × 401 × 1373
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20921774
Product of the distinct prime numbers
The prime factorization of 20921774 is 2 × 19 × 401 × 1373.
Since it has a total of 4 prime factors.
2 , 5 , 71 , 84 , 84 , 734 , 9009 , 6109 , 30329 , 56980 , 187066 , 489549 , 1258543 , 9803014 , 92709124 , 18734362 , 807188069 , 242150613 , 5486367909 , 7100199882
n×2
41843548
n×3
62765322
n×4
83687096
n×5
104608870
n÷2
10460887
n÷3
6973924.6666667
n÷3
5230443.5
n÷5
4184354.8
n2
437720627307076
n3
9.1578920396569E+21
n4
1.915993475701E+29
n5
4.0085982484091E+36
2 √n
4574.0325753103
3 √n
275.54942059365
4 √n
67.63159450516
5 √n
29.11519487524
1 , 2 , 19 , 38 , 401 , 802 , 1373 , 2746 , 7619 , 15238 , 26087 , 52174 , 550573 , 1101146 , 10460887 , 20921774
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
-20921773
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 20921774 can be divided by 16 positive divisors.
The sum of these divisors (counting 20921774) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001111110011110110101110
3
Ternary
1110100221021112
4
Quaternary
1033303312232
5
Quinary
20323444044
6
Senary
2024232022
8
Octal
117636656
10
Decimal
20921774
12
Duodecimal
700b612
16
Hexadecimal
13f3dae
20
Vigesimal
6af48e
36
Base36
cgfce
md5
d28c609d53134125835bd1ca4910e94c
sha1
4b6d226e1be90050962e8b5d38c47db7439f98c7
sha256
47297d815504f85318f380f2a227237bd61de022ba0717528fe7695d6db30573
sha512
2fc45330a21b81876a05a8398dc5e8861a40d985c887a6a35654d6b346f40382b50b9da0b9435f4b58b7cf6c7ce6c2a55ea8662f084a3ca7f4f082ba429f751f
ripemd-160
e0442e6cf3c11d27b12673c05d2e6b0292bc9220
Diameter
41843548
Circumference
131455382.99693
Area
1.3751399070726E+15
Volume
3.8360488472206E+22
Surface area
5.5005596282905E+15
Circumference
131455382.99693
Perimeter
83687096
Area
437720627307076
Diagonal
29587856.539705
Surface area
2626323763842456
Volume
9.1578920396569E+21
Space diagonal
36237575.552474
Perimeter
62765322
Area
1.8953859150419E+14
Altitude
18118787.776237
Surface area
1.8953859150419E+14
Volume
1.0792679271026E+21
Height
9862618.8465683