127942821 is an odd 9-digits composite number following 127942820
and preceding 127942822 . In scientific notation, it is written as 1.27942821 × 10^8.
The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors.
There are 85295160 positive integers (up to 127942821) that are relatively prime to 127942821.
127942821 has 8 divisors, whose sum is 176908704
The reverse of 127942821 is 128249721
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 36
Digital Root 9
Name
one hundred twenty-seven million nine hundred forty-two thousand eight hundred twenty-one
Scientific notation
1.27942821 × 10^8
Engineering notation
1.27942821 × 10^6
Prime Factorization
27 × 3 × 1579541
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
127942821
Product of the distinct prime numbers
The prime factorization of 127942821 is 27 × 3 × 1579541.
Since it has a total of 3 prime factors.
1 , 3 , 53 , 79 , 12 , 157 , 297 , 804 , 86689 , 93196 , 947070 , 236933 , 9598121 , 413884 , 95421095 , 66097483 , 957167362 , 833321152 , 5287386504 , 3041703523
n×2
255885642
n×3
383828463
n×4
511771284
n×5
639714105
n÷2
63971410.5
n÷3
42647607
n÷3
31985705.25
n÷5
25588564.2
n2
16369365445438041
n3
2.0943427930693E+24
n4
2.679561250863E+32
n5
3.428306254777E+40
2 √n
11311.181238049
3 √n
503.89336604592
4 √n
106.35403724377
5 √n
41.821844646768
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-127942820
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 127942821 can be divided by 8 positive divisors.
The sum of these divisors (counting 127942821) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101000000100000010100101
3
Ternary
22220202011120000
4
Quaternary
13220010002211
5
Quinary
230223132241
6
Senary
20410131513
8
Octal
750040245
10
Decimal
127942821
12
Duodecimal
36a20b99
16
Hexadecimal
7a040a5
20
Vigesimal
1jjch11
36
Base36
2469b9
md5
afae1df25a68fda73abace7abcb19730
sha1
0220585b2c57ef934f4b9dc726eba265adb686ff
sha256
16668e0202d26ae670fe0b47154ecdfe37347ebc89c1ffbcca07620ec8405565
sha512
2755c2203e0b77dd49986f9dbb41668767381ce38dfb056e3761dbf9fc20a99639d4fb87a9dd51acc224aa8e5668194a135ddbb60695e10c095cd16bfe4511e0
ripemd-160
837b5f403f976b6fab05267094e6c24cd755f4dc
Diameter
255885642
Circumference
803888453.06631
Area
5.1425878227315E+16
Volume
8.7727625770735E+24
Surface area
2.0570351290926E+17
Circumference
803888453.06631
Perimeter
511771284
Area
16369365445438041
Diagonal
180938472.66647
Surface area
98216192672628246
Volume
2.0943427930693E+24
Space diagonal
221603466.43569
Perimeter
383828463
Area
7.0881431597903E+15
Altitude
110801733.21785
Surface area
7.0881431597903E+15
Volume
2.4682066518474E+23
Height
60312824.222158