2155390949 (number)

2155390949 is an odd 10-digits composite number following 2155390948 and preceding 2155390950. In scientific notation, it is written as 2.155390949 × 10^9. The sum of its digits is 47. It has a total of 3 prime factors and 8 positive divisors. There are 2123694720 positive integers (up to 2155390949) that are relatively prime to 2155390949.

Interesting facts

Basic properties

Name

Name two billion one hundred fifty-five million three hundred ninety thousand nine hundred forty-nine

Notation

Scientific notation 2.155390949 × 10^9
Engineering notation 2.155390949 × 10^9

Prime Factorization of 2155390949

Prime Factorization 71 × 1747 × 17377

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 2155390949
Product of the distinct prime numbers

The prime factorization of 2155390949 is 71 × 1747 × 17377. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 5, 47, 98, 343, 326, 432, 9531, 92205, 52923, 789855, 204864, 159026, 196641, 40976212, 24745074, 627804566, 180919848, 4544243578, 1786972887

Basic calculations (n = 2155390949)

Multiplication

n×y
n×2 4310781898
n×3 6466172847
n×4 8621563796
n×5 10776954745

Division

n÷y
n÷2 1077695474.5
n÷3 718463649.66667
n÷3 538847737.25
n÷5 431078189.8

Exponentiation

ny
n2 4645710143031120601
n3 1.0013321593967E+28
n4 2.1582622733062E+37
n5 4.6518989694524E+46

Nth Root

y√n
2√n 46426.18818081
3√n 1291.740724147
4√n 215.46737149928
5√n 73.570754672818

Divisors of 2155390949

1, 71, 1747, 17377, 124037, 1233767, 30357619, 2155390949

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 -2155390948
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 2155390949 can be divided by 8 positive divisors. The sum of these divisors (counting 2155390949) is 1, the average is 0.125.

Base conversion 2155390949

Base System Value
2 Binary 10000000011110001010011111100101
3 Ternary 12120012202012112102
4 Quaternary 2000132022133211
5 Quinary 13403240002244
6 Senary 553513301445
8 Octal 20036123745
10 Decimal 2155390949
12 Duodecimal 501a04885
16 Hexadecimal 8078a7e5
20 Vigesimal 1ddb3h79
36 Base36 zn9iat

Cryptographic Hash Functions

md5 1616f9d08f7564f702c66f28bbea647f
sha1 11867a6397605d57b6939a943af7544fd1b1aadf
sha256 58bb9f5cf26fbe6073ea96ae8d9822ca808c8dadd85db1329ecd857927e5cbbb
sha512 09c0c6d03f8516c2a2ccc1556acef4c65214f735bda4d3771db4481556e41ac742415896bf01989e0972d1880d9229d16b46b5e1e6648d719645aa122c2d4d99
ripemd-160 ef6bf65fd8cece1bcabd94cb0137a77bb6618519

2155390949 as geometric shapes

Circle

Radius = n
Diameter 4310781898
Circumference 13542720741.985
Area 1.4594928856054E+19

Sphere

Radius = n
Volume 4.1943703410184E+28
Surface area 5.8379715424217E+19
Circumference 13542720741.985

Square

Length = n
Perimeter 8621563796
Area 4645710143031120601
Diagonal 3048183112.292

Cube

Length = n
Surface area 2.7874260858187E+19
Volume 1.0013321593967E+28
Space diagonal 3733246633.8421

Equilateral Triangle

Length = n
Perimeter 6466172847
Area 2.011651501242E+18
Altitude 1866623316.921

Triangular Pyramid

Length = n
Surface area 2.011651501242E+18
Volume 1.1800812668826E+27
Height 1016061037.4307