20921716 is an even 8-digits composite number following 20921715
and preceding 20921717 . In scientific notation, it is written as 2.0921716 × 10^7.
The sum of its digits is 28. It has a total of 3 prime factors and 6 positive divisors.
There are 10460856 positive integers (up to 20921716) that are relatively prime to 20921716.
20921716 has 6 divisors, whose sum is 36613010
The reverse of 20921716 is 61712902
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million nine hundred twenty-one thousand seven hundred sixteen
Scientific notation
2.0921716 × 10^7
Engineering notation
2.0921716 × 10^6
Prime Factorization
2 × 2 × 5230429
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
10460858
Product of the distinct prime numbers
The prime factorization of 20921716 is 2 × 2 × 5230429.
Since it has a total of 3 prime factors.
10 , 5 , 47 , 4 , 147 , 80 , 6202 , 925 , 30953 , 90946 , 402792 , 400953 , 2327388 , 493306 , 19782886 , 6752943 , 635203815 , 868481153 , 8892434010 , 2548202699
n×2
41843432
n×3
62765148
n×4
83686864
n×5
104608580
n÷2
10460858
n÷3
6973905.3333333
n÷3
5230429
n÷5
4184343.2
n2
437718200384656
n3
9.1578158764789E+21
n4
1.9159722294798E+29
n5
4.0085426849064E+36
2 √n
4574.0262351674
3 √n
275.54916596449
4 √n
67.631547632502
5 √n
29.115178732411
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20921715
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20921716 can be divided by 6 positive divisors.
The sum of these divisors (counting 20921716) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1001111110011110101110100
3
Ternary
1110100221012101
4
Quaternary
1033303311310
5
Quinary
20323443331
6
Senary
2024231444
8
Octal
117636564
10
Decimal
20921716
12
Duodecimal
700b584
16
Hexadecimal
13f3d74
20
Vigesimal
6af45g
36
Base36
cgfas
md5
bc600ea165a7e011d5b00d06aeb225bb
sha1
463681126e2f16e1329a2d0b61f039d2fd1ce5fd
sha256
f12bc04403015c4f4dc895237f64adcc2ffb1c6eb47520d46a5dbb59358b6623
sha512
f6071d216f54bb7cb82d1ad7762237290bcef8429ef361d8c91f47dc8ea3729c5dd2847d1b71b28cae9656ba35da97a6f5e21b77ca1bad95559a1e51c2ac0dc1
ripemd-160
d622180a6ddf6c96691c81c7ca45624476b8ffdf
Diameter
41843432
Circumference
131455018.57218
Area
1.375132282671E+15
Volume
3.8360169440632E+22
Surface area
5.5005291306839E+15
Circumference
131455018.57218
Perimeter
83686864
Area
437718200384656
Diagonal
29587774.515318
Surface area
2626309202307936
Volume
9.1578158764789E+21
Space diagonal
36237475.093527
Perimeter
62765148
Area
1.8953754061596E+14
Altitude
18118737.546763
Surface area
1.8953754061596E+14
Volume
1.079258951186E+21
Height
9862591.5051061