127989261 is an odd 9-digits composite number following 127989260
and preceding 127989262 . In scientific notation, it is written as 1.27989261 × 10^8.
The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors.
There are 84758400 positive integers (up to 127989261) that are relatively prime to 127989261.
127989261 has 16 divisors, whose sum is 190875520
The reverse of 127989261 is 162989721
Previous prime number is 151
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 45
Digital Root 9
Name
one hundred twenty-seven million nine hundred eighty-nine thousand two hundred sixty-one
Scientific notation
1.27989261 × 10^8
Engineering notation
1.27989261 × 10^6
Prime Factorization
3 × 9 × 151 × 31393
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
127989261
Product of the distinct prime numbers
The prime factorization of 127989261 is 3 × 9 × 151 × 31393.
Since it has a total of 4 prime factors.
4 , 5 , 70 , 6 , 608 , 54 , 9089 , 7275 , 80515 , 55285 , 136896 , 589309 , 8296144 , 539574 , 46780812 , 45553632 , 546000456 , 174470608 , 813636762 , 8060809352
n×2
255978522
n×3
383967783
n×4
511957044
n×5
639946305
n÷2
63994630.5
n÷3
42663087
n÷3
31997315.25
n÷5
25597852.2
n2
16381250931326121
n3
2.096624200956E+24
n4
2.6834538207507E+32
n5
3.4345327144551E+40
2 √n
11313.233887797
3 √n
503.95432550945
4 √n
106.36368688513
5 √n
41.8248802599
1 , 3 , 9 , 27 , 151 , 453 , 1359 , 4077 , 31393 , 94179 , 282537 , 847611 , 4740343 , 14221029 , 42663087 , 127989261
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-127989260
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 127989261 can be divided by 16 positive divisors.
The sum of these divisors (counting 127989261) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101000001111011000001101
3
Ternary
22220211112021000
4
Quaternary
13220033120031
5
Quinary
230231124021
6
Senary
20411130513
8
Octal
750173015
10
Decimal
127989261
12
Duodecimal
36a43a39
16
Hexadecimal
7a0f60d
20
Vigesimal
1jjid31
36
Base36
247959
md5
0d8453fddc6fac86ed11f3eaf32faf8b
sha1
b96a89df8fc3c8976f4d2f6218bd7113aa7aeb63
sha256
92f7dc51136a4cf4b597cc55396b8747baa0e5866dd0f9aecf2cb6e017cba566
sha512
7ed8d1de899cfc143c0ae00a1f3906c4b3b3c78561c7b61a0c6e581e64e18e4c1f38e30905321ecac9bf0ab8722e0f92c6890b492dc91cdd1e9c0ecfa15ce7fc
ripemd-160
32a3732bc66d2650eeeeed4313c789dac6e81cc7
Diameter
255978522
Circumference
804180244.19197
Area
5.1463217582465E+16
Volume
8.7823189160826E+24
Surface area
2.0585287032986E+17
Circumference
804180244.19197
Perimeter
511957044
Area
16381250931326121
Diagonal
181004148.74431
Surface area
98287505587956726
Volume
2.096624200956E+24
Space diagonal
221683902.87519
Perimeter
383967783
Area
7.093289726148E+15
Altitude
110841951.4376
Surface area
7.093289726148E+15
Volume
2.4708953168263E+23
Height
60334716.248103