20155449 is an odd 8-digits composite number following 20155448
and preceding 20155450 . In scientific notation, it is written as 2.0155449 × 10^7.
The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors.
There are 13436964 positive integers (up to 20155449) that are relatively prime to 20155449.
20155449 has 4 divisors, whose sum is 26873936
The reverse of 20155449 is 94455102
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million one hundred fifty-five thousand four hundred forty-nine
Scientific notation
2.0155449 × 10^7
Engineering notation
2.0155449 × 10^6
Prime Factorization
3 × 6718483
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20155449
Product of the distinct prime numbers
The prime factorization of 20155449 is 3 × 6718483.
Since it has a total of 2 prime factors.
4 , 1 , 35 , 18 , 767 , 414 , 4517 , 9789 , 13090 , 97744 , 225576 , 3402 , 8852085 , 1656180 , 43245185 , 24486083 , 866912465 , 775325747 , 4521045645 , 284848831
n×2
40310898
n×3
60466347
n×4
80621796
n×5
100777245
n÷2
10077724.5
n÷3
6718483
n÷3
5038862.25
n÷5
4031089.8
n2
406242124391601
n3
8.1879924198266E+21
n4
1.650326636302E+29
n5
3.3263074351327E+36
2 √n
4489.4820413941
3 √n
272.14320331962
4 √n
67.003597227269
5 √n
28.898712568611
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
-20155448
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 20155449 can be divided by 4 positive divisors.
The sum of these divisors (counting 20155449) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100111000110000111001
3
Ternary
1101221000002010
4
Quaternary
1030320300321
5
Quinary
20124433244
6
Senary
2000000133
8
Octal
114706071
10
Decimal
20155449
12
Duodecimal
6900049
16
Hexadecimal
1338c39
20
Vigesimal
65j8c9
36
Base36
c001l
md5
31a00ee777821545b330abb1ebf5c007
sha1
8e65945d130cf89b34eb9b0c02793c2907cea7bf
sha256
837a0734c164c9659fdd6869cb6b184a267418e1894ed176f9a2d17817f1490e
sha512
d69724ef889224ad99e892f32cd553cccca9a9c08b953ef4fc6ab64a04c255a5d0e28804432230255713d86bdfcaf9f2b2f039cd8c11d8d5ac7b79b5c89c4ce6
ripemd-160
0dc6d7b4f4f7b8f9e5974b179ccb91dec46083c7
Diameter
40310898
Circumference
126640421.01641
Area
1.2762472735674E+15
Volume
3.4297782445035E+22
Surface area
5.1049890942695E+15
Circumference
126640421.01641
Perimeter
80621796
Area
406242124391601
Diagonal
28504109.331519
Surface area
2437452746349606
Volume
8.1879924198266E+21
Space diagonal
34910261.717363
Perimeter
60466347
Area
1.7590799990524E+14
Altitude
17455130.858682
Surface area
1.7590799990524E+14
Volume
9.6496416072724E+20
Height
9501369.7771731