20688756 is an even 8-digits composite number following 20688755
and preceding 20688757 . In scientific notation, it is written as 2.0688756 × 10^7.
The sum of its digits is 42. It has a total of 5 prime factors and 24 positive divisors.
There are 6269280 positive integers (up to 20688756) that are relatively prime to 20688756.
20688756 has 24 divisors, whose sum is 52662624
The reverse of 20688756 is 65788602
Previous prime number is 11
Is Prime? no
Number parity even
Number length 8
Sum of Digits 42
Digital Root 6
Name
twenty million six hundred eighty-eight thousand seven hundred fifty-six
Scientific notation
2.0688756 × 10^7
Engineering notation
2.0688756 × 10^6
Prime Factorization
2 × 2 × 3 × 11 × 156733
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10344378
Product of the distinct prime numbers
The prime factorization of 20688756 is 2 × 2 × 3 × 11 × 156733.
Since it has a total of 5 prime factors.
1 , 7 , 65 , 88 , 470 , 863 , 9108 , 2253 , 45926 , 60511 , 585651 , 149970 , 3708010 , 3604196 , 60823288 , 24274430 , 708381456 , 639218478 , 1931820878 , 2889806147
n×2
41377512
n×3
62066268
n×4
82755024
n×5
103443780
n÷2
10344378
n÷3
6896252
n÷3
5172189
n÷5
4137751.2
n2
428024624827536
n3
8.8552970250484E+21
n4
1.8320507945875E+29
n5
3.7902851868828E+36
2 √n
4548.4894195766
3 √n
274.52261418663
4 √n
67.442489719587
5 √n
29.050049418507
1 , 2 , 3 , 4 , 6 , 11 , 12 , 22 , 33 , 44 , 66 , 132 , 156733 , 313466 , 470199 , 626932 , 940398 , 1724063 , 1880796 , 3448126 , 5172189 , 6896252 , 10344378 , 20688756
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
-20688755
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 20688756 can be divided by 24 positive divisors.
The sum of these divisors (counting 20688756) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001110111010111101110100
3
Ternary
1102221002122020
4
Quaternary
1032322331310
5
Quinary
20244020011
6
Senary
2015233140
8
Octal
116727564
10
Decimal
20688756
12
Duodecimal
6b187b0
16
Hexadecimal
13baf74
20
Vigesimal
6961hg
36
Base36
cbfjo
md5
bbfae5706961fb0b01a66e1daab02daa
sha1
88d8e798fea7e4874b7417e3e849b6bb53c7a406
sha256
d61af5f70938f197913e5c674cf1d0fb1ec357f2c94622ca6b68234e70c1cd5e
sha512
9dcf7bcc1e1206d452c2188ca23aa7764bc8682fed4c43723e9869f20973eb214d33c1e765c2f8b398ebd7c16eeab65406cef405012f1da5be46362efb02b90e
ripemd-160
e14b88a258b53023ec3270bfdfcbb2bd0e6b757b
Diameter
41377512
Circumference
129991287.72302
Area
1.3446790169137E+15
Volume
3.7092981438997E+22
Surface area
5.3787160676549E+15
Circumference
129991287.72302
Perimeter
82755024
Area
428024624827536
Diagonal
29258319.323828
Surface area
2568147748965216
Volume
8.8552970250484E+21
Space diagonal
35833976.537395
Perimeter
62066268
Area
1.8534009927297E+14
Altitude
17916988.268698
Surface area
1.8534009927297E+14
Volume
1.0436067626388E+21
Height
9752773.1079426