20688744 is an even 8-digits composite number following 20688743
and preceding 20688745 . In scientific notation, it is written as 2.0688744 × 10^7.
The sum of its digits is 39. It has a total of 5 prime factors and 16 positive divisors.
There are 6896240 positive integers (up to 20688744) that are relatively prime to 20688744.
20688744 has 16 divisors, whose sum is 51721920
The reverse of 20688744 is 44788602
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty million six hundred eighty-eight thousand seven hundred forty-four
Scientific notation
2.0688744 × 10^7
Engineering notation
2.0688744 × 10^6
Prime Factorization
2 × 2 × 2 × 3 × 862031
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
5172186
Product of the distinct prime numbers
The prime factorization of 20688744 is 2 × 2 × 2 × 3 × 862031.
Since it has a total of 5 prime factors.
5 , 4 , 90 , 50 , 869 , 775 , 8967 , 2745 , 15447 , 47205 , 153768 , 519120 , 8785719 , 9225497 , 73680450 , 18445026 , 97429762 , 992429194 , 5953550544 , 7353928425
n×2
41377488
n×3
62066232
n×4
82754976
n×5
103443720
n÷2
10344372
n÷3
6896248
n÷3
5172186
n÷5
4137748.8
n2
428024128297536
n3
8.8552816161709E+21
n4
1.8320465440487E+29
n5
3.7902741945907E+36
2 √n
4548.4881004571
3 √n
274.52256110995
4 √n
67.442479939999
5 √n
29.050046048554
1 , 2 , 3 , 4 , 6 , 8 , 12 , 24 , 862031 , 1724062 , 2586093 , 3448124 , 5172186 , 6896248 , 10344372 , 20688744
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
-20688743
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 20688744 can be divided by 16 positive divisors.
The sum of these divisors (counting 20688744) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001110111010111101101000
3
Ternary
1102221002121210
4
Quaternary
1032322331220
5
Quinary
20244014434
6
Senary
2015233120
8
Octal
116727550
10
Decimal
20688744
12
Duodecimal
6b187a0
16
Hexadecimal
13baf68
20
Vigesimal
6961h4
36
Base36
cbfjc
md5
a5b51e27d36694d0408a5d193e51db72
sha1
f2a8c9a03d7d61988bae68aa0322f5e50a7b332f
sha256
d629928f9de89e2c15c6fd21122bf5c38dce2d9fadaa607e48e8e6121428d7f5
sha512
e8023e8d760857a5dbcdc20ddae508d2fb41a8ab7f5fe7ede04a4dc0987aa6b3296d3ec5df8ec943dcf12e2c42d68621cc3ce0d037ce6c675c1cb378b917adfc
ripemd-160
f0e5aee2956f2146a0fe49e5d4008b2bad1156dc
Diameter
41377488
Circumference
129991212.3248
Area
1.3446774570187E+15
Volume
3.7092916894442E+22
Surface area
5.3787098280749E+15
Circumference
129991212.3248
Perimeter
82754976
Area
428024128297536
Diagonal
29258302.353265
Surface area
2568144769785216
Volume
8.8552816161709E+21
Space diagonal
35833955.752786
Perimeter
62066232
Area
1.8533988426918E+14
Altitude
17916977.876393
Surface area
1.8533988426918E+14
Volume
1.0436049466852E+21
Height
9752767.4510883