128977399 is an odd 9-digits composite number following 128977398
and preceding 128977400 . In scientific notation, it is written as 1.28977399 × 10^8.
The sum of its digits is 55. It has a total of 2 prime factors and 4 positive divisors.
There are 123369664 positive integers (up to 128977399) that are relatively prime to 128977399.
128977399 has 4 divisors, whose sum is 134585136
The reverse of 128977399 is 993779821
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 55
Digital Root 1
Name
one hundred twenty-eight million nine hundred seventy-seven thousand three hundred ninety-nine
Scientific notation
1.28977399 × 10^8
Engineering notation
1.28977399 × 10^6
Prime Factorization
23 × 5607713
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
128977399
Product of the distinct prime numbers
The prime factorization of 128977399 is 23 × 5607713.
Since it has a total of 2 prime factors.
7 , 6 , 51 , 85 , 802 , 131 , 2875 , 7984 , 60246 , 13537 , 932180 , 876467 , 8179276 , 5805571 , 14147087 , 63370186 , 206138819 , 776331874 , 9549860216 , 7443788256
n×2
257954798
n×3
386932197
n×4
515909596
n×5
644886995
n÷2
64488699.5
n÷3
42992466.333333
n÷3
32244349.75
n÷5
25795479.8
n2
16635169452805201
n3
2.1455608879471E+24
n4
2.7672886272354E+32
n5
3.5691768942311E+40
2 √n
11356.821694471
3 √n
505.24792453407
4 √n
106.56838975264
5 √n
41.889263334226
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
-128977398
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 128977399 can be divided by 4 positive divisors.
The sum of these divisors (counting 128977399) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101100000000100111110111
3
Ternary
22222200201201201
4
Quaternary
13230000213313
5
Quinary
231004234044
6
Senary
20444233331
8
Octal
754004767
10
Decimal
128977399
12
Duodecimal
3723b847
16
Hexadecimal
7b009f7
20
Vigesimal
206239j
36
Base36
24sflj
md5
b9fa0ad2b3549a43bf13eb45acf66197
sha1
ddfc9284f650cd1c6a56cd0a4f4be222cb40c542
sha256
3dc03df3ff7365db5177321fec010a6d103eb5273fa14c6951117063e2bdc240
sha512
76cea7e7e95df497b8e14888a0265d9fb51337193050ae0720c438328e287d36cded29976b4f868076dbbc0ac8645844ca1fca2815d3964ac36796e7026254dc
ripemd-160
b5da1fa916e0b936ae7e6fcfad21ca1c9d7040cd
Diameter
257954798
Circumference
810388898.35504
Area
5.2260926144154E+16
Volume
8.9873044312055E+24
Surface area
2.0904370457662E+17
Circumference
810388898.35504
Perimeter
515909596
Area
16635169452805201
Diagonal
182401586.90541
Surface area
99811016716831206
Volume
2.1455608879471E+24
Space diagonal
223395408.09608
Perimeter
386932197
Area
7.2032396711941E+15
Altitude
111697704.04804
Surface area
7.2032396711941E+15
Volume
2.5285677555267E+23
Height
60800528.968469