187 (number)

187 is an odd 3-digits composite number following 186 and preceding 188. In scientific notation, it is written as 1.87 × 10^2. The sum of its digits is 16. It has a total of 2 prime factors and 4 positive divisors. There are 160 positive integers (up to 187) that are relatively prime to 187.

Interesting facts

Basic properties

Name

Name one hundred eighty-seven

Notation

Scientific notation 1.87 × 10^2
Engineering notation 1.87 × 10^0

Prime Factorization of 187

Prime Factorization 17 × 11

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 187
Product of the distinct prime numbers

The prime factorization of 187 is 17 × 11. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 187)

Multiplication

n×y
n×2 374
n×3 561
n×4 748
n×5 935

Division

n÷y
n÷2 93.5
n÷3 62.333333333333
n÷3 46.75
n÷5 37.4

Exponentiation

ny
n2 34969
n3 6539203
n4 1222830961
n5 228669389707

Nth Root

y√n
2√n 13.674794331177
3√n 5.7184790648713
4√n 3.6979446089926
5√n 2.8468744929851

Divisors of 187

1, 11, 17, 187

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 -186
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 187 can be divided by 4 positive divisors. The sum of these divisors (counting 187) is 1, the average is 0.25.

Base conversion 187

Base System Value
2 Binary 10111011
3 Ternary 20221
4 Quaternary 2323
5 Quinary 1222
6 Senary 511
8 Octal 273
10 Decimal 187
12 Duodecimal 137
16 Hexadecimal bb
20 Vigesimal 97
36 Base36 57

Cryptographic Hash Functions

md5 31fefc0e570cb3860f2a6d4b38c6490d
sha1 f67462663a512121ffada791890b558ee8b38773
sha256 38b2d03f3256502b1e9db02b2d12aa27a46033ffe6d8c0ef0f2cf6b1530be9d8
sha512 d24b669d637589d559e33774bb90ef735e5ee46bc336f3fece735bf60b97ac0209923d8a3e26e0ab9ef6672add297e4a44250c00b098535d390dafc824055a55
ripemd-160 0dd6402ec96cfaf4241b5036cc688acf7c8df2c4

187 as geometric shapes

Circle

Radius = n
Diameter 374
Circumference 1174.9556524426
Area 109858.35350338

Sphere

Radius = n
Volume 27391349.47351
Surface area 439433.41401353
Circumference 1174.9556524426

Square

Length = n
Perimeter 748
Area 34969
Diagonal 264.45793616377

Cube

Length = n
Surface area 209814
Volume 6539203
Space diagonal 323.89350101538

Equilateral Triangle

Length = n
Perimeter 561
Area 15142.021172469
Altitude 161.94675050769

Triangular Pyramid

Length = n
Surface area 15142.021172469
Volume 770652.46414257
Height 88.152645387923