155054987 (number)

155054987 is an odd 9-digits composite number following 155054986 and preceding 155054988. In scientific notation, it is written as 1.55054987 × 10^8. The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors. There are 155019096 positive integers (up to 155054987) that are relatively prime to 155054987.

Interesting facts

Basic properties

Name

Name one hundred fifty-five million fifty-four thousand nine hundred eighty-seven

Notation

Scientific notation 1.55054987 × 10^8
Engineering notation 1.55054987 × 10^6

Prime Factorization of 155054987

Prime Factorization 5023 × 30869

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 155054987
Product of the distinct prime numbers

The prime factorization of 155054987 is 5023 × 30869. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 155054987)

Multiplication

n×y
n×2 310109974
n×3 465164961
n×4 620219948
n×5 775274935

Division

n÷y
n÷2 77527493.5
n÷3 51684995.666667
n÷3 38763746.75
n÷5 31010997.4

Exponentiation

ny
n2 24042048993570169
n3 3.7278395941514E+24
n4 5.7802011980923E+32
n5 8.9624902162758E+40

Nth Root

y√n
2√n 12452.107733231
3√n 537.23204903022
4√n 111.58901260084
5√n 43.460743108642

Divisors of 155054987

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 -155054986
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 155054987 can be divided by 4 positive divisors. The sum of these divisors (counting 155054987) is 1, the average is 0.25.

Base conversion 155054987

Base System Value
2 Binary 1001001111011111001110001011
3 Ternary 101210202121110022
4 Quaternary 21033133032023
5 Quinary 304143224422
6 Senary 23215211055
8 Octal 1117371613
10 Decimal 155054987
12 Duodecimal 43b16a8b
16 Hexadecimal 93df38b
20 Vigesimal 2891h97
36 Base36 2kbd6z

Cryptographic Hash Functions

md5 76c4c568842b537711477f3dcb943ec0
sha1 ae64c79bb6e2e1fdf0852ef32f95bdd9d0b014b2
sha256 08a53c4864e75a758699ec29dec6adafccc5259d7a3029a231fff501e3adfeb4
sha512 2d0d455a7d417cf566a1b777f9345bcda29c209513255fc4663ae4f0a179d53d74e632c3b2d98ad52a047220b981bbea1a9542532afd3f7cf44e8a3a07efaed5
ripemd-160 c7405099350991a61b4607a06c1509c22226b31d

155054987 as geometric shapes

Circle

Radius = n
Diameter 310109974
Circumference 974239216.12332
Area 7.5530324495446E+16

Sphere

Radius = n
Volume 1.5615137976996E+25
Surface area 3.0212129798178E+17
Circumference 974239216.12332

Square

Length = n
Perimeter 620219948
Area 24042048993570169
Diagonal 219280865.52898

Cube

Length = n
Surface area 144252293961421014
Volume 3.7278395941514E+24
Space diagonal 268563115.45093

Equilateral Triangle

Length = n
Perimeter 465164961
Area 1.0410512593731E+16
Altitude 134281557.72547

Triangular Pyramid

Length = n
Surface area 1.0410512593731E+16
Volume 4.3933010936669E+23
Height 73093621.842995