2155156987 (number)

2155156987 is an odd 10-digits composite number following 2155156986 and preceding 2155156988. In scientific notation, it is written as 2.155156987 × 10^9. The sum of its digits is 49. It has a total of 2 prime factors and 4 positive divisors. There are 2154733120 positive integers (up to 2155156987) that are relatively prime to 2155156987.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.155156987 × 10^9
Engineering notation 2.155156987 × 10^9

Prime Factorization of 2155156987

Prime Factorization 5147 × 418721

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 2155156987
Product of the distinct prime numbers

The prime factorization of 2155156987 is 5147 × 418721. Since it has a total of 2 prime factors.

Most popular turbo-numbers

5, 1, 46, 84, 571, 612, 3793, 9293, 27407, 16250, 13025, 697989, 3818771, 7731749, 75934560, 77625568, 378032403, 843301412, 4792975965, 3570287943

Basic calculations (n = 2155156987)

Multiplication

n×y
n×2 4310313974
n×3 6465470961
n×4 8620627948
n×5 10775784935

Division

n÷y
n÷2 1077578493.5
n÷3 718385662.33333
n÷3 538789246.75
n÷5 431031397.4

Exponentiation

ny
n2 4644701638614918169
n3 1.0010061188991E+28
n4 2.1573253311752E+37
n5 4.6493747607143E+46

Nth Root

y√n
2√n 46423.668392319
3√n 1291.6939841067
4√n 215.46152415761
5√n 73.569157421208

Divisors of 2155156987

1, 5147, 418721, 2155156987

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 -2155156986
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 2155156987 can be divided by 4 positive divisors. The sum of these divisors (counting 2155156987) is 1, the average is 0.25.

Base conversion 2155156987

Base System Value
2 Binary 10000000011101010001010111111011
3 Ternary 12120012022022121011
4 Quaternary 2000131101113323
5 Quinary 13403210010422
6 Senary 553504254351
8 Octal 20035212773
10 Decimal 2155156987
12 Duodecimal 5019113b7
16 Hexadecimal 807515fb
20 Vigesimal 1dd9ec97
36 Base36 zn4hrv

Cryptographic Hash Functions

md5 6d6f920c7c059748b9b2e237c401bd25
sha1 8bc9027afa428050272e0b1718d565983f183bfd
sha256 ad99baa1e264f15cc6de00ef6a1c66cccad408d3a2d9aa389b4139fa192f545a
sha512 96338202d0613d73f745ee631443349f932655c74a7ee30b180a115c425d7ed3ce583fe2a5b1e54f6c3f6936d65f2c3544f1a3a1f490121198bcbea27433be82
ripemd-160 7cfe221d6683b46f0794f9bc6ca35c2cd2c0c8d6

2155156987 as geometric shapes

Circle

Radius = n
Diameter 4310313974
Circumference 13541250715.384
Area 1.4591760545989E+19

Sphere

Radius = n
Volume 4.1930046257759E+28
Surface area 5.8367042183956E+19
Circumference 13541250715.384

Square

Length = n
Perimeter 8620627948
Area 4644701638614918169
Diagonal 3047852240.0585

Cube

Length = n
Surface area 2.786820983169E+19
Volume 1.0010061188991E+28
Space diagonal 3732841399.7711

Equilateral Triangle

Length = n
Perimeter 6465470961
Area 2.0112148060199E+18
Altitude 1866420699.8855

Triangular Pyramid

Length = n
Surface area 2.0112148060199E+18
Volume 1.1796970244713E+27
Height 1015950746.6862