2155409865 (number)

2155409865 is an odd 10-digits composite number following 2155409864 and preceding 2155409866. In scientific notation, it is written as 2.155409865 × 10^9. The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors. There are 985329792 positive integers (up to 2155409865) that are relatively prime to 2155409865.

Interesting facts

Basic properties

Name

Name two billion one hundred fifty-five million four hundred nine thousand eight hundred sixty-five

Notation

Scientific notation 2.155409865 × 10^9
Engineering notation 2.155409865 × 10^9

Prime Factorization of 2155409865

Prime Factorization 9 × 35 × 3 × 2280857

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 2155409865
Product of the distinct prime numbers

The prime factorization of 2155409865 is 9 × 35 × 3 × 2280857. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 4, 47, 54, 796, 714, 5350, 9754, 65910, 95657, 579679, 835982, 8773883, 3460290, 81990541, 64720967, 531334438, 978843871, 1128073527, 7559871034

Basic calculations (n = 2155409865)

Multiplication

n×y
n×2 4310819730
n×3 6466229595
n×4 8621639460
n×5 10777049325

Division

n÷y
n÷2 1077704932.5
n÷3 718469955
n÷3 538852466.25
n÷5 431081973

Exponentiation

ny
n2 4645791686139318225
n3 1.001358523104E+28
n4 2.1583380391001E+37
n5 4.6521031014812E+46

Nth Root

y√n
2√n 46426.39190159
3√n 1291.7445029658
4√n 215.46784424036
5√n 73.570883805726

Divisors of 2155409865

1, 3, 9, 27, 35, 105, 315, 945, 2280857, 6842571, 20527713, 61583139, 79829995, 239489985, 718469955, 2155409865

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -2155409864
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 2155409865 can be divided by 16 positive divisors. The sum of these divisors (counting 2155409865) is 1, the average is 0.0625.

Base conversion 2155409865

Base System Value
2 Binary 10000000011110001111000111001001
3 Ternary 12120012210011111000
4 Quaternary 2000132033013021
5 Quinary 13403241103430
6 Senary 553513525213
8 Octal 20036170711
10 Decimal 2155409865
12 Duodecimal 501a13809
16 Hexadecimal 8078f1c9
20 Vigesimal 1ddb64d5
36 Base36 zn9ww9

Cryptographic Hash Functions

md5 62ac46925e29a8f194b4568f9e4052c3
sha1 243802e50df081268458cf18f4f73a483ec89e27
sha256 1d03852ad208cbc6fd25329e65e2e019d8ab0617c13e6b9918259a59a493c1ae
sha512 f3aac6d64c587f5fd70d67c09de2bdfc610bb129b93db9d5c8e49112bdd1d3425968a331e43964d5cf7f4a0fcb939e4832dff237565ac4c24f57b96b66e8ccc2
ripemd-160 6b0e9a3c7a465eaad016a6407fc57303180b80e1

2155409865 as geometric shapes

Circle

Radius = n
Diameter 4310819730
Circumference 13542839594.718
Area 1.4595185031284E+19

Sphere

Radius = n
Volume 4.1944807730573E+28
Surface area 5.8380740125135E+19
Circumference 13542839594.718

Square

Length = n
Perimeter 8621639460
Area 4645791686139318225
Diagonal 3048209863.5558

Cube

Length = n
Surface area 2.7874750116836E+19
Volume 1.001358523104E+28
Space diagonal 3733279397.3152

Equilateral Triangle

Length = n
Perimeter 6466229595
Area 2.0116868104436E+18
Altitude 1866639698.6576

Triangular Pyramid

Length = n
Surface area 2.0116868104436E+18
Volume 1.1801123368096E+27
Height 1016069954.5186