128776998 is an even 9-digits composite number following 128776997
and preceding 128776999 . In scientific notation, it is written as 1.28776998 × 10^8.
The sum of its digits is 57. It has a total of 4 prime factors and 16 positive divisors.
There are 36793344 positive integers (up to 128776998) that are relatively prime to 128776998.
128776998 has 16 divisors, whose sum is 231273504
The reverse of 128776998 is 899677821
Previous prime number is 7
Is Prime? no
Number parity even
Number length 9
Sum of Digits 57
Digital Root 3
Name
one hundred twenty-eight million seven hundred seventy-six thousand nine hundred ninety-eight
Scientific notation
1.28776998 × 10^8
Engineering notation
1.28776998 × 10^6
Prime Factorization
2 × 21 × 7 × 438017
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
128776998
Product of the distinct prime numbers
The prime factorization of 128776998 is 2 × 21 × 7 × 438017.
Since it has a total of 4 prime factors.
2 , 2 , 57 , 16 , 239 , 360 , 5379 , 3542 , 44283 , 15519 , 799744 , 988362 , 1558374 , 6017885 , 59732163 , 53320291 , 913567377 , 179576927 , 9996177655 , 8133295550
n×2
257553996
n×3
386330994
n×4
515107992
n×5
643884990
n÷2
64388499
n÷3
42925666
n÷3
32194249.5
n÷5
25755399.6
n2
16583515213892004
n3
2.1355753055323E+24
n4
2.7501297684939E+32
n5
3.5415345569708E+40
2 √n
11347.995329573
3 √n
504.98610947644
4 √n
106.52696996335
5 √n
41.876237994077
1 , 2 , 7 , 14 , 21 , 42 , 147 , 294 , 438017 , 876034 , 3066119 , 6132238 , 9198357 , 18396714 , 64388499 , 128776998
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
-128776997
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 128776998 can be divided by 16 positive divisors.
The sum of these divisors (counting 128776998) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101011001111101100100110
3
Ternary
22222022112211110
4
Quaternary
13223033230212
5
Quinary
230431330443
6
Senary
20440045450
8
Octal
753175446
10
Decimal
128776998
12
Duodecimal
37163886
16
Hexadecimal
7acfb26
20
Vigesimal
204h29i
36
Base36
24o4yu
md5
fe1b547b75188b7edd8399c54b28c62f
sha1
647fa63999b18a4169b524504d95dd2c99b18765
sha256
5701278d11fddd0be49fb9a656a0b39227e9cc6c76fa0144091e0b86e7059c68
sha512
a4f364c699bf20392a5f19fea117289023736f3d8673e0945358380d80285e41757a6130491187d602055c7e0d56e0413b1fb7c7ad584455af32197a67d09a24
ripemd-160
541ee99ca80e562fdabfa42e393f175d3b9f8fb6
Diameter
257553996
Circumference
809129741.73629
Area
5.2098649566658E+16
Volume
8.9454769213976E+24
Surface area
2.0839459826663E+17
Circumference
809129741.73629
Perimeter
515107992
Area
16583515213892004
Diagonal
182118177.09329
Surface area
99501091283352024
Volume
2.1355753055323E+24
Space diagonal
223048303.3822
Perimeter
386330994
Area
7.1808727296381E+15
Altitude
111524151.6911
Surface area
7.1808727296381E+15
Volume
2.5167996337941E+23
Height
60706059.031098