20551455 is an odd 8-digits composite number following 20551454
and preceding 20551456 . In scientific notation, it is written as 2.0551455 × 10^7.
The sum of its digits is 27. It has a total of 5 prime factors and 32 positive divisors.
There are 10333440 positive integers (up to 20551455) that are relatively prime to 20551455.
20551455 has 32 divisors, whose sum is 27095040
The reverse of 20551455 is 55415502
Previous prime number is 41
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million five hundred fifty-one thousand four hundred fifty-five
Scientific notation
2.0551455 × 10^7
Engineering notation
2.0551455 × 10^6
Prime Factorization
27 × 5 × 79 × 41 × 47
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20551455
Product of the distinct prime numbers
The prime factorization of 20551455 is 27 × 5 × 79 × 41 × 47.
Since it has a total of 5 prime factors.
1 , 8 , 36 , 98 , 297 , 220 , 7448 , 4224 , 63325 , 23435 , 637113 , 565587 , 6642067 , 5910621 , 88563987 , 97299593 , 974004436 , 556649067 , 17155372 , 7350235814
n×2
41102910
n×3
61654365
n×4
82205820
n×5
102757275
n÷2
10275727.5
n÷3
6850485
n÷3
5137863.75
n÷5
4110291
n2
422362302617025
n3
8.6801598559302E+21
n4
1.7838991467196E+29
n5
3.6661723038345E+36
2 √n
4533.3712620962
3 √n
273.91397569435
4 √n
67.33031458486
5 √n
29.011388502034
1 , 5 , 27 , 41 , 47 , 79 , 135 , 205 , 235 , 395 , 1107 , 1269 , 1927 , 2133 , 3239 , 3713 , 5535 , 6345 , 9635 , 10665 , 16195 , 18565 , 52029 , 87453 , 100251 , 152233 , 260145 , 437265 , 501255 , 761165 , 4110291 , 20551455
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20551454
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20551455 can be divided by 32 positive divisors.
The sum of these divisors (counting 20551455) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001110011001011100011111
3
Ternary
1102200010022000
4
Quaternary
1032121130133
5
Quinary
20230121310
6
Senary
2012253343
8
Octal
116313437
10
Decimal
20551455
12
Duodecimal
6a71253
16
Hexadecimal
139971f
20
Vigesimal
688icf
36
Base36
c8hlr
md5
3049584aec12df61af3bf4265f00105a
sha1
d8d1c95589b22ad2138cd9d8c312bcf63d7793e3
sha256
a034b1a967d03d99365541da42d7f0b7eff682536b92a8013dc7aea5d700a66e
sha512
564f27ce4c281157b81505432d350c460be17c260d4c6888472ec0643818ad2a42e034f9609c3a245b554e8d5da63f9146b2756686ac42288964e692a5b1d28f
ripemd-160
ff812569a9c6eed055382ada0a22c080e613e80c
Diameter
41102910
Circumference
129128600.09716
Area
1.3268903070549E+15
Volume
3.63593685805E+22
Surface area
5.3075612282197E+15
Circumference
129128600.09716
Perimeter
82205820
Area
422362302617025
Diagonal
29064146.3875
Surface area
2534173815702150
Volume
8.6801598559302E+21
Space diagonal
35596164.229465
Perimeter
61654365
Area
1.8288824183362E+14
Altitude
17798082.114733
Surface area
1.8288824183362E+14
Volume
1.0229666493186E+21
Height
9688048.7958335