20402545 is an odd 8-digits composite number following 20402544
and preceding 20402546 . In scientific notation, it is written as 2.0402545 × 10^7.
The sum of its digits is 22. It has a total of 2 prime factors and 4 positive divisors.
There are 16322032 positive integers (up to 20402545) that are relatively prime to 20402545.
20402545 has 4 divisors, whose sum is 24483060
The reverse of 20402545 is 54520402
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty million four hundred two thousand five hundred forty-five
Scientific notation
2.0402545 × 10^7
Engineering notation
2.0402545 × 10^6
Prime Factorization
5 × 4080509
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20402545
Product of the distinct prime numbers
The prime factorization of 20402545 is 5 × 4080509.
Since it has a total of 2 prime factors.
9 , 7 , 41 , 84 , 285 , 92 , 7548 , 4828 , 86601 , 46645 , 573436 , 647072 , 2201895 , 2195162 , 60962435 , 92603666 , 736197554 , 353107004 , 4958444142 , 1791980469
n×2
40805090
n×3
61207635
n×4
81610180
n×5
102012725
n÷2
10201272.5
n÷3
6800848.3333333
n÷3
5100636.25
n÷5
4080509
n2
416263842477025
n3
8.4928417780104E+21
n4
1.7327558655374E+29
n5
3.535262952064E+36
2 √n
4516.9176437035
3 √n
273.25080379021
4 √n
67.208017704017
5 √n
28.969224466266
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
-20402544
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 20402545 can be divided by 4 positive divisors.
The sum of these divisors (counting 20402545) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101110101000101110001
3
Ternary
1102101120000211
4
Quaternary
1031311011301
5
Quinary
20210340140
6
Senary
2005144121
8
Octal
115650561
10
Decimal
20402545
12
Duodecimal
69bb041
16
Hexadecimal
1375171
20
Vigesimal
67a675
36
Base36
c5apd
md5
cfad60e7fb91cd461373bd803f395eed
sha1
a3fa2853e233ee6017f50c49dc79d515098e493f
sha256
6b71799607fc5ab0f965cd014292e7ea13f9cbe4efa4dc95053c132bf215dbbf
sha512
5156acee81a6aee808e2381fce118290d8f9ee74b83fd6b4b397b20c1695015a98d8f2fb1365b9294bb09be2c9f33a93a5ddf0c6bfdfddd233410a88eec81c16
ripemd-160
02a7d89cb5c59f45feab9e54e6bd10a006224660
Diameter
40805090
Circumference
128192970.97307
Area
1.3077314294809E+15
Volume
3.5574732450531E+22
Surface area
5.2309257179235E+15
Circumference
128192970.97307
Perimeter
81610180
Area
416263842477025
Diagonal
28853555.845927
Surface area
2497583054862150
Volume
8.4928417780104E+21
Space diagonal
35338244.54371
Perimeter
61207635
Area
1.8024753113101E+14
Altitude
17669122.271855
Surface area
1.8024753113101E+14
Volume
1.0008910021293E+21
Height
9617851.9486425