2155777721 (number)

2155777721 is an odd 10-digits prime number following 2155777720 and preceding 2155777722. In scientific notation, it is written as 2.155777721 × 10^9. The sum of its digits is 44. It has a total of 1 prime factors and 2 positive divisors. There are 2155777720 positive integers (up to 2155777721) that are relatively prime to 2155777721.

Interesting facts

Basic properties

Name

Name two billion one hundred fifty-five million seven hundred seventy-seven thousand seven hundred twenty-one

Notation

Scientific notation 2.155777721 × 10^9
Engineering notation 2.155777721 × 10^9

Prime Factorization of 2155777721

Prime Factorization 2155777721

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 2155777721
Product of the distinct prime numbers

The prime factorization of 2155777721 is 2155777721. Since it has a total of 1 prime factors.

Most popular turbo-numbers

9, 9, 9, 33, 946, 702, 7473, 5216, 30339, 41364, 447217, 436940, 3239625, 2552455, 17267047, 81721363, 53917216, 77368043, 5748315453, 7146928984

Basic calculations (n = 2155777721)

Multiplication

n×y
n×2 4311555442
n×3 6467333163
n×4 8623110884
n×5 10778888605

Division

n÷y
n÷2 1077888860.5
n÷3 718592573.66667
n÷3 538944430.25
n÷5 431155544.2

Exponentiation

ny
n2 4647377582359953841
n3 1.0018713053126E+28
n4 2.1598118393022E+37
n5 4.6560742447197E+46

Nth Root

y√n
2√n 46430.353444703
3√n 1291.817984572
4√n 215.47703693132
5√n 73.5733948496

Divisors of 2155777721

1, 2155777721

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 2155777722
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 1077888861
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 46430.353455471
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999990723
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 2155777721 can be divided by 2 positive divisors. The sum of these divisors (counting 2155777721) is 2155777722, the average is 1077888861.

Base conversion 2155777721

Base System Value
2 Binary 10000000011111101000111010111001
3 Ternary 12120020110212002022
4 Quaternary 2000133220322321
5 Quinary 13403334341341
6 Senary 553525444225
8 Octal 20037507271
10 Decimal 2155777721
12 Duodecimal 501b70675
16 Hexadecimal 807e8eb9
20 Vigesimal 1dddc461
36 Base36 znhsqh

Cryptographic Hash Functions

md5 059d5b5559ccbb2f92a40e7c4872b796
sha1 e16c07a4044398fea637a89c75332d8480d1f448
sha256 4e1c6ccba2ebaa95ed58f339f62dd96d12e24a07e502345a83180e502ea7a7f8
sha512 8d1cde0d36b545ce447f911374f31d73d5c5a33405d5d41422412c92338d1b7fcef08d2db8ac9296a472c69d0e8f001812434bf226ea2428f74142270a6efa0b
ripemd-160 40de0b93e9ff861c925dfa4661f717c7cf4cd184

2155777721 as geometric shapes

Circle

Radius = n
Diameter 4311555442
Circumference 13545150902.132
Area 1.46001672712E+19

Sphere

Radius = n
Volume 4.1966287101502E+28
Surface area 5.84006690848E+19
Circumference 13545150902.132

Square

Length = n
Perimeter 8623110884
Area 4647377582359953841
Diagonal 3048730090.5

Cube

Length = n
Surface area 2.788426549416E+19
Volume 1.0018713053126E+28
Space diagonal 3733916542.597

Equilateral Triangle

Length = n
Perimeter 6467333163
Area 2.012373523651E+18
Altitude 1866958271.2985

Triangular Pyramid

Length = n
Surface area 2.012373523651E+18
Volume 1.180716656438E+27
Height 1016243363.5