2155996449 is an odd 10-digits composite number following 2155996448
and preceding 2155996450 . In scientific notation, it is written as 2.155996449 × 10^9.
The sum of its digits is 54. It has a total of 4 prime factors and 12 positive divisors.
There are 1435084800 positive integers (up to 2155996449) that are relatively prime to 2155996449.
2155996449 has 12 divisors, whose sum is 3119083812
The reverse of 2155996449 is 9446995512
Previous prime number is 641
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 54
Digital Root 9
Name
two billion one hundred fifty-five million nine hundred ninety-six thousand four hundred forty-nine
Scientific notation
2.155996449 × 10^9
Engineering notation
2.155996449 × 10^9
Prime Factorization
3 × 3 × 641 × 373721
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
718665483
Product of the distinct prime numbers
The prime factorization of 2155996449 is 3 × 3 × 641 × 373721.
Since it has a total of 4 prime factors.
7 , 4 , 36 , 86 , 855 , 219 , 8873 , 8261 , 65636 , 83750 , 192523 , 793380 , 4983043 , 6601745 , 3440942 , 96575510 , 220886228 , 160350850 , 4713372083 , 6178672169
n×2
4311992898
n×3
6467989347
n×4
8623985796
n×5
10779982245
n÷2
1077998224.5
n÷3
718665483
n÷3
538999112.25
n÷5
431199289.8
n2
4648320688100609601
n3
1.0021762897358E+28
n4
2.1606885219424E+37
n5
4.6584367807029E+46
2 √n
46432.70882686
3 √n
1291.8616729365
4 √n
215.4825023682
5 √n
73.574887759401
1 , 3 , 9 , 641 , 1923 , 5769 , 373721 , 1121163 , 3363489 , 239555161 , 718665483 , 2155996449
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-2155996448
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 2155996449 can be divided by 12 positive divisors.
The sum of these divisors (counting 2155996449) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
10000000100000011110010100100001
3
Ternary
12120020212222010100
4
Quaternary
2000200132110201
5
Quinary
13403413341244
6
Senary
553534253013
8
Octal
20040362441
10
Decimal
2155996449
12
Duodecimal
502057169
16
Hexadecimal
8081e521
20
Vigesimal
1ddejb29
36
Base36
znmhi9
md5
93e80e435d91d4575a4e6c982fa79458
sha1
6906923a5ad6f213a3c60f839592d1f71f198963
sha256
1e2fd209921158e3035656a0881dfba29ef81fce4da66b46df38e63193c218db
sha512
612067eb38219e5219ef23ab662c40e81a691263a86c9aa954004b2e8de0aecc9f3f163b682026f395a872d6823d4795e5ac94285c049030585857f838799c99
ripemd-160
5b2369a0b14f87bc391ec7af19726829b629689d
Diameter
4311992898
Circumference
13546525210.688
Area
1.4603130125266E+19
Volume
4.1979062259146E+28
Surface area
5.8412520501065E+19
Circumference
13546525210.688
Perimeter
8623985796
Area
4648320688100609601
Diagonal
3049039418.604
Surface area
2.7889924128604E+19
Volume
1.0021762897358E+28
Space diagonal
3734295390.6061
Perimeter
6467989347
Area
2.0127819004159E+18
Altitude
1867147695.303
Surface area
2.0127819004159E+18
Volume
1.1810760840276E+27
Height
1016346472.868