127988 (number)

127988 is an even 6-digits composite number following 127987 and preceding 127989. In scientific notation, it is written as 1.27988 × 10^5. The sum of its digits is 35. It has a total of 5 prime factors and 18 positive divisors. There are 54768 positive integers (up to 127988) that are relatively prime to 127988.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.27988 × 10^5
Engineering notation 1.27988 × 10^3

Prime Factorization of 127988

Prime Factorization 2 × 2 × 7 × 7 × 653

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 9142
Product of the distinct prime numbers

The prime factorization of 127988 is 2 × 2 × 7 × 7 × 653. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 127988)

Multiplication

n×y
n×2 255976
n×3 383964
n×4 511952
n×5 639940

Division

n÷y
n÷2 63994
n÷3 42662.666666667
n÷3 31997
n÷5 25597.6

Exponentiation

ny
n2 16380928144
n3 2096562231294272
n4 2.6833480685889E+20
n5 3.4343635260256E+25

Nth Root

y√n
2√n 357.75410549706
3√n 50.395267045264
4√n 18.914388848098
5√n 10.505914220642

Divisors of 127988

18 divisors

τ Total Divisors 18
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -127987
Sum of the proper positive divisors of n
A Arithmetic Mean 0.055555555555556
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 18
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 127988 can be divided by 18 positive divisors. The sum of these divisors (counting 127988) is 1, the average is 0.055555555555556.

Base conversion 127988

Base System Value
2 Binary 11111001111110100
3 Ternary 20111120022
4 Quaternary 133033310
5 Quinary 13043423
6 Senary 2424312
8 Octal 371764
10 Decimal 127988
12 Duodecimal 62098
16 Hexadecimal 1f3f4
20 Vigesimal fjj8
36 Base36 2qr8

Cryptographic Hash Functions

md5 ca8888fca7e0bec908e58b925998ac9b
sha1 bd468011b85454631dffcd444daf645e30be2258
sha256 fb4a6dd7da868f66086bb1ed67a697740fc58eac2a68a056614f83c150bd0606
sha512 36589d8ff3b47633491c4f17dc8d6be233803803d244d3bcd4a477689a2508862e23ad44726448757775ddefc2fe325444c70d057c6c8851a8f43986418afb8d
ripemd-160 3c216406fc9f46640422c1289a7138f2c43f4837

127988 as geometric shapes

Circle

Radius = n
Diameter 255976
Circumference 804172.3210953
Area 51462203516.173

Sphere

Radius = n
Volume 8.7820593381705E+15
Surface area 205848814064.69
Circumference 804172.3210953

Square

Length = n
Perimeter 511952
Area 16380928144
Diagonal 181002.36542101

Cube

Length = n
Surface area 98285568864
Volume 2096562231294272
Space diagonal 221681.71875913

Equilateral Triangle

Length = n
Perimeter 383964
Area 7093149955.1357
Altitude 110840.85937956

Triangular Pyramid

Length = n
Surface area 7093149955.1357
Volume 2.4708222848796E+14
Height 60334.121807003