2155156981 (number)

2155156981 is an odd 10-digits prime number following 2155156980 and preceding 2155156982. In scientific notation, it is written as 2.155156981 × 10^9. The sum of its digits is 43. It has a total of 1 prime factors and 2 positive divisors. There are 2155156980 positive integers (up to 2155156981) that are relatively prime to 2155156981.

Interesting facts

Basic properties

Name

Name two billion one hundred fifty-five million one hundred fifty-six thousand nine hundred eighty-one

Notation

Scientific notation 2.155156981 × 10^9
Engineering notation 2.155156981 × 10^9

Prime Factorization of 2155156981

Prime Factorization 2155156981

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 2155156981
Product of the distinct prime numbers

The prime factorization of 2155156981 is 2155156981. Since it has a total of 1 prime factors.

Most popular turbo-numbers

6, 10, 53, 88, 12, 448, 3992, 336, 94187, 42811, 401238, 199886, 2286069, 7226192, 26724797, 41495135, 440076959, 35325824, 4869392997, 8061680688

Basic calculations (n = 2155156981)

Multiplication

n×y
n×2 4310313962
n×3 6465470943
n×4 8620627924
n×5 10775784905

Division

n÷y
n÷2 1077578490.5
n÷3 718385660.33333
n÷3 538789245.25
n÷5 431031396.2

Exponentiation

ny
n2 4644701612753034361
n3 1.0010061105387E+28
n4 2.1573253071511E+37
n5 4.6493746959946E+46

Nth Root

y√n
2√n 46423.668327697
3√n 1291.693982908
4√n 215.46152400764
5√n 73.569157380244

Divisors of 2155156981

1, 2155156981

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 2155156982
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 1077578491
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 46423.668338467
Returns the nth root of the product of n divisors
H Harmonic Mean 1.999999999072
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 2155156981 can be divided by 2 positive divisors. The sum of these divisors (counting 2155156981) is 2155156982, the average is 1077578491.

Base conversion 2155156981

Base System Value
2 Binary 10000000011101010001010111110101
3 Ternary 12120012022022120221
4 Quaternary 2000131101113311
5 Quinary 13403210010411
6 Senary 553504254341
8 Octal 20035212765
10 Decimal 2155156981
12 Duodecimal 5019113b1
16 Hexadecimal 807515f5
20 Vigesimal 1dd9ec91
36 Base36 zn4hrp

Cryptographic Hash Functions

md5 c20127fd50a7f4208d5eaee8e175ce4d
sha1 7bd89c81ad29460a4de78b189a8c023d48f566b9
sha256 ddff719b73bc06cc20a5af73a684d18151f314a09b0a1bfadfce644644ac6d7f
sha512 62c7da959d88fc1fdec6defaf23b117137e74220a424c4b337f35cbdc5c47605e5ec927a75445c55bb4764f2377437792fc5d777d22bea436d6c43319ec73d8c
ripemd-160 eff78dc40f2a8d582769d4755e1c183a049e6cc0

2155156981 as geometric shapes

Circle

Radius = n
Diameter 4310313962
Circumference 13541250677.685
Area 1.4591760464742E+19

Sphere

Radius = n
Volume 4.1930045907557E+28
Surface area 5.8367041858966E+19
Circumference 13541250677.685

Square

Length = n
Perimeter 8620627924
Area 4644701612753034361
Diagonal 3047852231.5733

Cube

Length = n
Surface area 2.7868209676518E+19
Volume 1.0010061105387E+28
Space diagonal 3732841389.3788

Equilateral Triangle

Length = n
Perimeter 6465470943
Area 2.0112147948213E+18
Altitude 1866420694.6894

Triangular Pyramid

Length = n
Surface area 2.0112147948213E+18
Volume 1.1796970146184E+27
Height 1015950743.8578