127988139 is an odd 9-digits composite number following 127988138
and preceding 127988140 . In scientific notation, it is written as 1.27988139 × 10^8.
The sum of its digits is 48. It has a total of 2 prime factors and 4 positive divisors.
There are 85325424 positive integers (up to 127988139) that are relatively prime to 127988139.
127988139 has 4 divisors, whose sum is 170650856
The reverse of 127988139 is 931889721
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 48
Digital Root 3
Name
one hundred twenty-seven million nine hundred eighty-eight thousand one hundred thirty-nine
Scientific notation
1.27988139 × 10^8
Engineering notation
1.27988139 × 10^6
Prime Factorization
3 × 42662713
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
127988139
Product of the distinct prime numbers
The prime factorization of 127988139 is 3 × 42662713.
Since it has a total of 2 prime factors.
8 , 1 , 18 , 13 , 310 , 795 , 8315 , 2497 , 10848 , 92232 , 969953 , 275525 , 5188393 , 4389673 , 64538732 , 50179352 , 235388592 , 86153925 , 9158183333 , 2997663998
n×2
255976278
n×3
383964417
n×4
511952556
n×5
639940695
n÷2
63994069.5
n÷3
42662713
n÷3
31997034.75
n÷5
25597627.8
n2
16380963724683321
n3
2.0965690621487E+24
n4
2.6833597254939E+32
n5
3.4343821753352E+40
2 √n
11313.184299745
3 √n
503.95285289005
4 √n
106.36345377875
5 √n
41.824806929247
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
-127988138
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 127988139 can be divided by 4 positive divisors.
The sum of these divisors (counting 127988139) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101000001111000110101011
3
Ternary
22220211110201110
4
Quaternary
13220033012223
5
Quinary
230231110024
6
Senary
20411121403
8
Octal
750170653
10
Decimal
127988139
12
Duodecimal
36a43263
16
Hexadecimal
7a0f1ab
20
Vigesimal
1jjia6j
36
Base36
2478a3
md5
b3018589c22f71547f16894b0f81ae13
sha1
261c3bc9eb87a3da568464c8636ae272676cf9a3
sha256
ce0ddcfb879aa6f0979eaa70e809e524ec794789c30c304edf9a251f7118623c
sha512
12a1d4ee87e54bac41cb36338ef5ef01224824d213ab3e6727a36a4f9e5f43019cf47965ada895012033c72023aaeb86043183e711c305cb4f2df3a45b3036e6
ripemd-160
04b99aa5ec6fa291937a35f8a95963654e77abc9
Diameter
255976278
Circumference
804173194.45806
Area
5.1462315296186E+16
Volume
8.7820879511868E+24
Surface area
2.0584926118474E+17
Circumference
804173194.45806
Perimeter
511952556
Area
16380963724683321
Diagonal
181002561.99669
Surface area
98285782348099926
Volume
2.0965690621487E+24
Space diagonal
221681959.51419
Perimeter
383964417
Area
7.0931653620236E+15
Altitude
110840979.75709
Surface area
7.0931653620236E+15
Volume
2.4708303351188E+23
Height
60334187.332231