20551485 is an odd 8-digits composite number following 20551484
and preceding 20551486 . In scientific notation, it is written as 2.0551485 × 10^7.
The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors.
There are 10960784 positive integers (up to 20551485) that are relatively prime to 20551485.
20551485 has 4 divisors, whose sum is 21921600
The reverse of 20551485 is 58415502
Previous prime number is 15
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million five hundred fifty-one thousand four hundred eighty-five
Scientific notation
2.0551485 × 10^7
Engineering notation
2.0551485 × 10^6
Prime Factorization
15 × 1370099
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20551485
Product of the distinct prime numbers
The prime factorization of 20551485 is 15 × 1370099.
Since it has a total of 2 prime factors.
7 , 9 , 25 , 72 , 583 , 705 , 6801 , 2564 , 46109 , 37418 , 682224 , 603982 , 8179133 , 5284385 , 37301285 , 24330661 , 33868789 , 74367177 , 1807600032 , 3158426953
n×2
41102970
n×3
61654455
n×4
82205940
n×5
102757425
n÷2
10275742.5
n÷3
6850495
n÷3
5137871.25
n÷5
4110297
n2
422363535705225
n3
8.6801978685929E+21
n4
1.7839095629342E+29
n5
3.6661990623999E+36
2 √n
4533.3745708909
3 √n
273.91410897632
4 √n
67.330339156215
5 √n
29.011396971908
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20551484
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20551485 can be divided by 4 positive divisors.
The sum of these divisors (counting 20551485) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001110011001011100111101
3
Ternary
1102200010100010
4
Quaternary
1032121130331
5
Quinary
20230121420
6
Senary
2012253433
8
Octal
116313475
10
Decimal
20551485
12
Duodecimal
6a71279
16
Hexadecimal
139973d
20
Vigesimal
688ie5
36
Base36
c8hml
md5
0ee2765df968e433c9c5499330b06d9f
sha1
aaa90bfc7faec0f1654eab1c2d728e393e278fab
sha256
110e82b21efceb3c001bf8b6b4c5b3b7920dfcac432603b06e44e8e7a9a828b8
sha512
a213e9fcffe04e6d4d61d3e14d2d61347a698f7afccdc8efaace2b6458a41236dfa102b04ade9f3ad8a1b223c4ca16f175bb03f1b5d937b32cbbc1ffd08b8b22
ripemd-160
2688d1b1f5e2f385b003aaef4d714f470ab730b8
Diameter
41102970
Circumference
129128788.59272
Area
1.3268941809157E+15
Volume
3.635952780757E+22
Surface area
5.307576723663E+15
Circumference
129128788.59272
Perimeter
82205940
Area
422363535705225
Diagonal
29064188.813907
Surface area
2534181214231350
Volume
8.6801978685929E+21
Space diagonal
35596216.19099
Perimeter
61654455
Area
1.8288877577647E+14
Altitude
17798108.095495
Surface area
1.8288877577647E+14
Volume
1.0229711291538E+21
Height
9688062.9379691