128977478 is an even 9-digits composite number following 128977477
and preceding 128977479 . In scientific notation, it is written as 1.28977478 × 10^8.
The sum of its digits is 53. It has a total of 4 prime factors and 16 positive divisors.
There are 55204416 positive integers (up to 128977478) that are relatively prime to 128977478.
128977478 has 16 divisors, whose sum is 221390880
The reverse of 128977478 is 874779821
Previous prime number is 829
Is Prime? no
Number parity even
Number length 9
Sum of Digits 53
Digital Root 8
Name
one hundred twenty-eight million nine hundred seventy-seven thousand four hundred seventy-eight
Scientific notation
1.28977478 × 10^8
Engineering notation
1.28977478 × 10^6
Prime Factorization
2 × 7 × 829 × 11113
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
128977478
Product of the distinct prime numbers
The prime factorization of 128977478 is 2 × 7 × 829 × 11113.
Since it has a total of 4 prime factors.
1 , 5 , 64 , 85 , 481 , 909 , 4989 , 2871 , 5674 , 64970 , 873962 , 889943 , 1659498 , 9695301 , 37379299 , 72965943 , 534386622 , 103833293 , 735776200 , 8886632366
n×2
257954956
n×3
386932434
n×4
515909912
n×5
644887390
n÷2
64488739
n÷3
42992492.666667
n÷3
32244369.5
n÷5
25795495.6
n2
16635189831240484
n3
2.1455648304846E+24
n4
2.7672954072141E+32
n5
3.5691878250345E+40
2 √n
11356.825172556
3 √n
505.24802769058
4 √n
106.5684060712
5 √n
41.889268465747
1 , 2 , 7 , 14 , 829 , 1658 , 5803 , 11113 , 11606 , 22226 , 77791 , 155582 , 9212677 , 18425354 , 64488739 , 128977478
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
-128977477
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 128977478 can be divided by 16 positive divisors.
The sum of these divisors (counting 128977478) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101100000000101001000110
3
Ternary
22222200201211122
4
Quaternary
13230000221012
5
Quinary
231004234403
6
Senary
20444233542
8
Octal
754005106
10
Decimal
128977478
12
Duodecimal
3723b8b2
16
Hexadecimal
7b00a46
20
Vigesimal
20623di
36
Base36
24sfnq
md5
2a878d2c8b1d39ae1f4be33e368617c7
sha1
e7ae68aa6dce09903f212f02771f04030d759be5
sha256
c9c266582b9bcbdcce46df0137c09ce28a5da875fc2ce4e9bc0ec50b5e874ed0
sha512
c74ab18232711108eaeb678755ad64c7397cbf47b76edcd2351966f412708a5c71104122ef4e1ec625fede248d4ec3b3283bf942d7a680017cd64101819a154f
ripemd-160
320b15a2f65513cb22f4c49d93bc465a7082bf8f
Diameter
257954956
Circumference
810389394.72668
Area
5.2260990164897E+16
Volume
8.9873209456682E+24
Surface area
2.0904396065959E+17
Circumference
810389394.72668
Perimeter
515909912
Area
16635189831240484
Diagonal
182401698.62828
Surface area
99811138987442904
Volume
2.1455648304846E+24
Space diagonal
223395544.9281
Perimeter
386932434
Area
7.2032484953154E+15
Altitude
111697772.46405
Surface area
7.2032484953154E+15
Volume
2.5285724018518E+23
Height
60800566.209426