127942871 is an odd 9-digits composite number following 127942870
and preceding 127942872 . In scientific notation, it is written as 1.27942871 × 10^8.
The sum of its digits is 41. It has a total of 4 prime factors and 12 positive divisors.
There are 109105920 positive integers (up to 127942871) that are relatively prime to 127942871.
127942871 has 12 divisors, whose sum is 149590800
The reverse of 127942871 is 178249721
Previous prime number is 199
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 41
Digital Root 5
Name
one hundred twenty-seven million nine hundred forty-two thousand eight hundred seventy-one
Scientific notation
1.27942871 × 10^8
Engineering notation
1.27942871 × 10^6
Prime Factorization
7 × 7 × 199 × 13121
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
18277553
Product of the distinct prime numbers
The prime factorization of 127942871 is 7 × 7 × 199 × 13121.
Since it has a total of 4 prime factors.
8 , 3 , 16 , 32 , 597 , 217 , 5443 , 2744 , 23312 , 42674 , 847115 , 541992 , 4622234 , 5172831 , 1984275 , 1072182 , 880356588 , 390283579 , 7812727741 , 8303448947
n×2
255885742
n×3
383828613
n×4
511771484
n×5
639714355
n÷2
63971435.5
n÷3
42647623.666667
n÷3
31985717.75
n÷5
25588574.2
n2
16369378239722641
n3
2.094345248475E+24
n4
2.6795654395511E+32
n5
3.4283129536854E+40
2 √n
11311.183448252
3 √n
503.89343168635
4 √n
106.35404763455
5 √n
41.821847915559
1 , 7 , 49 , 199 , 1393 , 9751 , 13121 , 91847 , 642929 , 2611079 , 18277553 , 127942871
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-127942870
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 127942871 can be divided by 12 positive divisors.
The sum of these divisors (counting 127942871) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111101000000100000011010111
3
Ternary
22220202011121212
4
Quaternary
13220010003113
5
Quinary
230223132441
6
Senary
20410132035
8
Octal
750040327
10
Decimal
127942871
12
Duodecimal
36a2101b
16
Hexadecimal
7a040d7
20
Vigesimal
1jjch3b
36
Base36
2469cn
md5
14727c6319c051c7220b39e6c7eca192
sha1
85b99d95b0a3a7312cff0aa1cff02b948cce447f
sha256
8bcb27ff4b6bc1f9874694bf9d8fc7581e8777eedd99b4c85dc68e2238567954
sha512
a0b92564e35cf278f0eba968038e95bdfa3037c55345c36d96b1a3078b0a76aee57a7e4d73987d37fc097ce14ca6cfb98bd8d30e983164001a9cea4753acbe27
ripemd-160
dba875907c626ffdbff5b6a308e9c7354b85411a
Diameter
255885742
Circumference
803888767.22557
Area
5.1425918421745E+16
Volume
8.7727728622532E+24
Surface area
2.0570367368698E+17
Circumference
803888767.22557
Perimeter
511771484
Area
16369378239722641
Diagonal
180938543.37715
Surface area
98216269438335846
Volume
2.094345248475E+24
Space diagonal
221603553.03823
Perimeter
383828613
Area
7.088148699878E+15
Altitude
110801776.51912
Surface area
7.088148699878E+15
Volume
2.4682095455709E+23
Height
60312847.792384