2155111221 (number)

2155111221 is an odd 10-digits composite number following 2155111220 and preceding 2155111222. In scientific notation, it is written as 2.155111221 × 10^9. The sum of its digits is 21. It has a total of 2 prime factors and 4 positive divisors. There are 1436740812 positive integers (up to 2155111221) that are relatively prime to 2155111221.

Interesting facts

Basic properties

Name

Name two billion one hundred fifty-five million one hundred eleven thousand two hundred twenty-one

Notation

Scientific notation 2.155111221 × 10^9
Engineering notation 2.155111221 × 10^9

Prime Factorization of 2155111221

Prime Factorization 3 × 718370407

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 2155111221
Product of the distinct prime numbers

The prime factorization of 2155111221 is 3 × 718370407. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 3, 100, 68, 381, 937, 2455, 5967, 78893, 25846, 889785, 331669, 4047801, 6649677, 2692977, 38813840, 571718808, 991301867, 3131933599, 7847303556

Basic calculations (n = 2155111221)

Multiplication

n×y
n×2 4310222442
n×3 6465333663
n×4 8620444884
n×5 10775556105

Division

n÷y
n÷2 1077555610.5
n÷3 718370407
n÷3 538777805.25
n÷5 431022244.2

Exponentiation

ny
n2 4644504374880110841
n3 1.0009423494288E+28
n4 2.157142088828E+37
n5 4.6488811209247E+46

Nth Root

y√n
2√n 46423.175473033
3√n 1291.6848407534
4√n 215.4603802861
5√n 73.568844961867

Divisors of 2155111221

1, 3, 718370407, 2155111221

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -2155111220
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 2155111221 can be divided by 4 positive divisors. The sum of these divisors (counting 2155111221) is 1, the average is 0.25.

Base conversion 2155111221

Base System Value
2 Binary 10000000011101000110001100110101
3 Ternary 12120012012222211010
4 Quaternary 2000131012030311
5 Quinary 13403202024341
6 Senary 553503302433
8 Octal 20035061465
10 Decimal 2155111221
12 Duodecimal 5018aaa19
16 Hexadecimal 80746335
20 Vigesimal 1dd98i11
36 Base36 zn3igl

Cryptographic Hash Functions

md5 2c6e4065cac6d74522836079a40967a2
sha1 d80d7ae71f9a1f8a5cfd92923910760d731de80b
sha256 c12a7be05f43b37b369709d627fe8453833248bed741b0ac06e1c7858d3e82ab
sha512 b5197340dc55c9d73f4131e93920e139c8868ff90619c9d38c68480cc14a4fe97301c4fa7d667a6924041e9ea793764a16b8b70fe6df50a7dd4a91c56da37384
ripemd-160 f2a8d244d78ef43e8e685d90ac324a5b6e06f794

2155111221 as geometric shapes

Circle

Radius = n
Diameter 4310222442
Circumference 13540963159.125
Area 1.4591140823689E+19

Sphere

Radius = n
Volume 4.1927375088431E+28
Surface area 5.8364563294756E+19
Circumference 13540963159.125

Square

Length = n
Perimeter 8620444884
Area 4644504374880110841
Diagonal 3047787517.1606

Cube

Length = n
Surface area 2.7867026249281E+19
Volume 1.0009423494288E+28
Space diagonal 3732762130.7338

Equilateral Triangle

Length = n
Perimeter 6465333663
Area 2.0111293883171E+18
Altitude 1866381065.3669

Triangular Pyramid

Length = n
Surface area 2.0111293883171E+18
Volume 1.1796218714298E+27
Height 1015929172.3869