20045551 is an odd 8-digits composite number following 20045550
and preceding 20045552 . In scientific notation, it is written as 2.0045551 × 10^7.
The sum of its digits is 22. It has a total of 3 prime factors and 8 positive divisors.
There are 18804312 positive integers (up to 20045551) that are relatively prime to 20045551.
20045551 has 8 divisors, whose sum is 21307520
The reverse of 20045551 is 15554002
Previous prime number is 103
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty million forty-five thousand five hundred fifty-one
Scientific notation
2.0045551 × 10^7
Engineering notation
2.0045551 × 10^6
Prime Factorization
19 × 103 × 10243
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20045551
Product of the distinct prime numbers
The prime factorization of 20045551 is 19 × 103 × 10243.
Since it has a total of 3 prime factors.
4 , 1 , 97 , 84 , 560 , 632 , 8160 , 4183 , 94813 , 23664 , 148330 , 148711 , 5896143 , 2349261 , 24720437 , 6339072 , 84969616 , 769064007 , 8802547531 , 1991473535
n×2
40091102
n×3
60136653
n×4
80182204
n×5
100227755
n÷2
10022775.5
n÷3
6681850.3333333
n÷3
5011387.75
n÷5
4009110.2
n2
401824114893601
n3
8.0547857881295E+21
n4
1.6146261931003E+29
n5
3.2366071699727E+36
2 √n
4477.2258151672
3 √n
271.64767947057
4 √n
66.912075256767
5 √n
28.867129445368
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
-20045550
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 20045551 can be divided by 8 positive divisors.
The sum of these divisors (counting 20045551) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100011101111011101111
3
Ternary
1101201102022211
4
Quaternary
1030131323233
5
Quinary
20112424201
6
Senary
1553351251
8
Octal
114357357
10
Decimal
20045551
12
Duodecimal
6868527
16
Hexadecimal
131deef
20
Vigesimal
655dhb
36
Base36
bxn8v
md5
557062485c4c61d9d4a22630fd743414
sha1
a2f423884ab1591c789278e63af5311a1c43e14a
sha256
51a56245eab2846011732100c4dd3f5ab6271a2db26f38add600798a80027ce9
sha512
e4c64197a4bdfcee6b74cd26be984090fdf49c3ba7ba3375d92c6692891c8ad4c671629ab6b058420308458585086f07ae22d8914def8c8b70f2ef7e158f79d9
ripemd-160
c467d87aa8097de501b00be49f5f52bd59966b44
Diameter
40091102
Circumference
125949911.51752
Area
1.262367687385E+15
Volume
3.373980781097E+22
Surface area
5.0494707495398E+15
Circumference
125949911.51752
Perimeter
80182204
Area
401824114893601
Diagonal
28348690.089442
Surface area
2410944689361606
Volume
8.0547857881295E+21
Space diagonal
34719912.797713
Perimeter
60136653
Area
1.7399494567553E+14
Altitude
17359956.398857
Surface area
1.7399494567553E+14
Volume
9.492656086319E+20
Height
9449563.3631472