20154449 is an odd 8-digits composite number following 20154448
and preceding 20154450 . In scientific notation, it is written as 2.0154449 × 10^7.
The sum of its digits is 29. It has a total of 4 prime factors and 16 positive divisors.
There are 16497600 positive integers (up to 20154449) that are relatively prime to 20154449.
20154449 has 16 divisors, whose sum is 24088320
The reverse of 20154449 is 94445102
Previous prime number is 101
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty million one hundred fifty-four thousand four hundred forty-nine
Scientific notation
2.0154449 × 10^7
Engineering notation
2.0154449 × 10^6
Prime Factorization
7 × 29 × 101 × 983
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20154449
Product of the distinct prime numbers
The prime factorization of 20154449 is 7 × 29 × 101 × 983.
Since it has a total of 4 prime factors.
7 , 3 , 87 , 97 , 27 , 177 , 1934 , 7244 , 28606 , 23489 , 65533 , 811468 , 6184750 , 1940541 , 1719943 , 75559523 , 584268058 , 263041573 , 9874793570 , 9714631917
n×2
40308898
n×3
60463347
n×4
80617796
n×5
100772245
n÷2
10077224.5
n÷3
6718149.6666667
n÷3
5038612.25
n÷5
4030889.8
n2
406201814493601
n3
8.1867737539187E+21
n4
1.6499991409789E+29
n5
3.3254823536904E+36
2 √n
4489.3706685904
3 √n
272.13870250689
4 √n
67.00276612641
5 √n
28.898425804608
1 , 7 , 29 , 101 , 203 , 707 , 983 , 2929 , 6881 , 20503 , 28507 , 99283 , 199549 , 694981 , 2879207 , 20154449
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20154448
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20154449 can be divided by 16 positive divisors.
The sum of these divisors (counting 20154449) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100111000100001010001
3
Ternary
1101220221201002
4
Quaternary
1030320201101
5
Quinary
20124420244
6
Senary
1555551345
8
Octal
114704121
10
Decimal
20154449
12
Duodecimal
68bb555
16
Hexadecimal
1338851
20
Vigesimal
65j629
36
Base36
bzz9t
md5
560f5e4540667b3e95779713a4ee4f0c
sha1
fbccdb462afd28e95bb95e55a36d933980f81f51
sha256
8f8bbb6206f5061a43751bf05cd3fcc905b57db0d5b62ba41a9435dad1224459
sha512
1d1d05d3ecefb84d6be4ec3c9cce9c4add6660b55b8c40aa53e8eb9470d696efc04cb4c95b9944e88b8890913c92d9b9daf04e0e8849d8c208405d23ba453ce6
ripemd-160
927b8c9c247dab2da8c4e65330892553fd093217
Diameter
40308898
Circumference
126634137.8311
Area
1.2761206362879E+15
Volume
3.4292677709217E+22
Surface area
5.1044825451518E+15
Circumference
126634137.8311
Perimeter
80617796
Area
406201814493601
Diagonal
28502695.117957
Surface area
2437210886961606
Volume
8.1867737539187E+21
Space diagonal
34908529.666556
Perimeter
60463347
Area
1.758905452074E+14
Altitude
17454264.833278
Surface area
1.758905452074E+14
Volume
9.6482053957267E+20
Height
9500898.3726523