20128849 is an odd 8-digits composite number following 20128848
and preceding 20128850 . In scientific notation, it is written as 2.0128849 × 10^7.
The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors.
There are 18525456 positive integers (up to 20128849) that are relatively prime to 20128849.
20128849 has 8 divisors, whose sum is 21741440
The reverse of 20128849 is 94882102
Previous prime number is 367
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty million one hundred twenty-eight thousand eight hundred forty-nine
Scientific notation
2.0128849 × 10^7
Engineering notation
2.0128849 × 10^6
Prime Factorization
13 × 367 × 4219
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20128849
Product of the distinct prime numbers
The prime factorization of 20128849 is 13 × 367 × 4219.
Since it has a total of 3 prime factors.
2 , 9 , 14 , 13 , 170 , 910 , 7149 , 640 , 25117 , 82150 , 348308 , 30754 , 1982138 , 6111520 , 23825191 , 8514711 , 447242289 , 269213346 , 9757958255 , 9985896737
n×2
40257698
n×3
60386547
n×4
80515396
n×5
100644245
n÷2
10064424.5
n÷3
6709616.3333333
n÷3
5032212.25
n÷5
4025769.8
n2
405170562064801
n3
8.1556170630475E+21
n4
1.6416318436391E+29
n5
3.3044159494202E+36
2 √n
4486.5185834899
3 √n
272.02343097604
4 √n
66.981479406548
5 √n
28.891080767668
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20128848
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20128849 can be divided by 8 positive divisors.
The sum of these divisors (counting 20128849) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100110010010001010001
3
Ternary
1101212122120221
4
Quaternary
1030302101101
5
Quinary
20123110344
6
Senary
1555233041
8
Octal
114622121
10
Decimal
20128849
12
Duodecimal
68a8781
16
Hexadecimal
1332451
20
Vigesimal
65g229
36
Base36
bzfip
md5
6d14eda2d9875ec32774531aa4b710fb
sha1
bd51f7d66a0e1d98b7d2201fa32cb1010d52f9e3
sha256
998667565738c03106e3158724ac8b2f421299fbe35a84013b51fc9ff1a2135b
sha512
a1b6aab6069f4ef67f31e05835c7b7f83fdaca82227a15e730761f6e8cf3a23b2a556b35cba39889c0b93b2f74edd7b0a1c25d076be0968382006c7d1493ce10
ripemd-160
fbc24fb5019a64322ec402da2460c1d5da3f3604
Diameter
40257698
Circumference
126473288.28724
Area
1.2728808612336E+15
Volume
3.4162168867682E+22
Surface area
5.0915234449345E+15
Circumference
126473288.28724
Perimeter
80515396
Area
405170562064801
Diagonal
28466491.25076
Surface area
2431023372388806
Volume
8.1556170630475E+21
Space diagonal
34864189.165882
Perimeter
60386547
Area
1.7544399980687E+14
Altitude
17432094.582941
Surface area
1.7544399980687E+14
Volume
9.6114868834027E+20
Height
9488830.41692