127987 (number)

127987 is an odd 6-digits composite number following 127986 and preceding 127988. In scientific notation, it is written as 1.27987 × 10^5. The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors. There are 126880 positive integers (up to 127987) that are relatively prime to 127987.

Interesting facts

Basic properties

Name

Name one hundred twenty-seven thousand nine hundred eighty-seven

Notation

Scientific notation 1.27987 × 10^5
Engineering notation 1.27987 × 10^3

Prime Factorization of 127987

Prime Factorization 131 × 977

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 127987
Product of the distinct prime numbers

The prime factorization of 127987 is 131 × 977. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 127987)

Multiplication

n×y
n×2 255974
n×3 383961
n×4 511948
n×5 639935

Division

n÷y
n÷2 63993.5
n÷3 42662.333333333
n÷3 31996.75
n÷5 25597.4

Exponentiation

ny
n2 16380672169
n3 2096513088893803
n4 2.6832642070825E+20
n5 3.4342293607187E+25

Nth Root

y√n
2√n 357.75270788633
3√n 50.395135794943
4√n 18.91435190236
5√n 10.505897803561

Divisors of 127987

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 -127986
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 127987 can be divided by 4 positive divisors. The sum of these divisors (counting 127987) is 1, the average is 0.25.

Base conversion 127987

Base System Value
2 Binary 11111001111110011
3 Ternary 20111120021
4 Quaternary 133033303
5 Quinary 13043422
6 Senary 2424311
8 Octal 371763
10 Decimal 127987
12 Duodecimal 62097
16 Hexadecimal 1f3f3
20 Vigesimal fjj7
36 Base36 2qr7

Cryptographic Hash Functions

md5 3630d13a906eeb62571ac860127ac827
sha1 3b31b4cce87d06b85a676b36d6f6d484ada282ad
sha256 e48f8222cb08869fae983ecf3f4ef19f15d129fba8c376b460900b85ceed740a
sha512 5509c1fe688d3d8f87c1b69abec8acb0e64150f5a1ef4d4a40924caa9e5395f5dbd24e13c518ebb30b706a9b7daba72ce13568cf383fc7a903882a735d45a899
ripemd-160 874f10f87b13de05f5a0ae780da9a770136c6549

127987 as geometric shapes

Circle

Radius = n
Diameter 255974
Circumference 804166.03790999
Area 51461399346.993

Sphere

Radius = n
Volume 8.7818534909648E+15
Surface area 205845597387.97
Circumference 804166.03790999

Square

Length = n
Perimeter 511948
Area 16380672169
Diagonal 181000.95120745

Cube

Length = n
Surface area 98284033014
Volume 2096513088893803
Space diagonal 221679.98670832

Equilateral Triangle

Length = n
Perimeter 383961
Area 7093039114.7094
Altitude 110839.99335416

Triangular Pyramid

Length = n
Surface area 7093039114.7094
Volume 2.4707643700053E+14
Height 60333.650402482