128977155 is an odd 9-digits composite number following 128977154
and preceding 128977156 . In scientific notation, it is written as 1.28977155 × 10^8.
The sum of its digits is 45. It has a total of 2 prime factors and 4 positive divisors.
There are 68787792 positive integers (up to 128977155) that are relatively prime to 128977155.
128977155 has 4 divisors, whose sum is 131843360
The reverse of 128977155 is 551779821
Previous prime number is 45
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 45
Digital Root 9
Name
one hundred twenty-eight million nine hundred seventy-seven thousand one hundred fifty-five
Scientific notation
1.28977155 × 10^8
Engineering notation
1.28977155 × 10^6
Prime Factorization
45 × 2866159
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
128977155
Product of the distinct prime numbers
The prime factorization of 128977155 is 45 × 2866159.
Since it has a total of 2 prime factors.
3 , 2 , 93 , 76 , 466 , 996 , 1707 , 7610 , 21570 , 80646 , 544193 , 295363 , 6356458 , 5354606 , 61605104 , 54470442 , 382724632 , 127843882 , 519851419 , 8910682087
n×2
257954310
n×3
386931465
n×4
515908620
n×5
644885775
n÷2
64488577.5
n÷3
42992385
n÷3
32244288.75
n÷5
25795431
n2
16635106511894025
n3
2.1455487110261E+24
n4
2.7672676866206E+32
n5
3.5691431334376E+40
2 √n
11356.810952023
3 √n
505.2476059238
4 √n
106.56833935097
5 √n
41.889247484956
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
-128977154
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 128977155 can be divided by 4 positive divisors.
The sum of these divisors (counting 128977155) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101100000000100100000011
3
Ternary
22222200201101200
4
Quaternary
13230000210003
5
Quinary
231004232110
6
Senary
20444232243
8
Octal
754004403
10
Decimal
128977155
12
Duodecimal
3723b683
16
Hexadecimal
7b00903
20
Vigesimal
20622hf
36
Base36
24sfer
md5
192dfb223e11f82bfd30e5ae2bd636e5
sha1
f6c3a2e4f9815c011a91e8de71926a8abbf17f51
sha256
576809f1ec702c428c18e306f0a0d6a8efda08fa87ff39eafd20da28f6103010
sha512
ae886629fddf8dec7145311c123019ca5d11d61a102d30ffcfb6e9e76fb166a312e53f2027c07db312ad4224cfb03099c1e264a6e3c4246370fc4f5dcb0e92f4
ripemd-160
c01456f7cb785b7e18661ccd34eb82f89169a46a
Diameter
257954310
Circumference
810387365.25782
Area
5.226072840945E+16
Volume
8.987253424638E+24
Surface area
2.090429136378E+17
Circumference
810387365.25782
Perimeter
515908620
Area
16635106511894025
Diagonal
182401241.8373
Surface area
99810639071364150
Volume
2.1455487110261E+24
Space diagonal
223394985.47569
Perimeter
386931465
Area
7.2032124169801E+15
Altitude
111697492.73784
Surface area
7.2032124169801E+15
Volume
2.5285534048876E+23
Height
60800413.945766