128906998 is an even 9-digits composite number following 128906997
and preceding 128906999 . In scientific notation, it is written as 1.28906998 × 10^8.
The sum of its digits is 52. It has a total of 3 prime factors and 8 positive divisors.
There are 58594080 positive integers (up to 128906998) that are relatively prime to 128906998.
128906998 has 8 divisors, whose sum is 210938760
The reverse of 128906998 is 899609821
Previous prime number is 11
Is Prime? no
Number parity even
Number length 9
Sum of Digits 52
Digital Root 7
Name
one hundred twenty-eight million nine hundred six thousand nine hundred ninety-eight
Scientific notation
1.28906998 × 10^8
Engineering notation
1.28906998 × 10^6
Prime Factorization
2 × 11 × 5859409
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
128906998
Product of the distinct prime numbers
The prime factorization of 128906998 is 2 × 11 × 5859409.
Since it has a total of 3 prime factors.
8 , 2 , 88 , 4 , 451 , 714 , 1517 , 2067 , 36928 , 26577 , 182826 , 465911 , 4252085 , 122238 , 48080375 , 44276178 , 724454444 , 491664796 , 1679040737 , 5504719017
n×2
257813996
n×3
386720994
n×4
515627992
n×5
644534990
n÷2
64453499
n÷3
42968999.333333
n÷3
32226749.5
n÷5
25781399.6
n2
16617014133372004
n3
2.1420494076566E+24
n4
2.7612515870868E+32
n5
3.559446528141E+40
2 √n
11353.721768654
3 √n
505.15597965792
4 √n
106.55384445741
5 √n
41.884689369881
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128906997
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128906998 can be divided by 8 positive divisors.
The sum of these divisors (counting 128906998) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101011101111011011110110
3
Ternary
22222120011011021
4
Quaternary
13223233123312
5
Quinary
231000010443
6
Senary
20442531354
8
Octal
753573366
10
Decimal
128906998
12
Duodecimal
37206b5a
16
Hexadecimal
7aef6f6
20
Vigesimal
205d79i
36
Base36
24qx9y
md5
b62b0925c9e20c9981a26cbac6da2726
sha1
d3a9030e182d74eccc7295d0f108e44ab79636c2
sha256
ff0a4346408b2e131fa1b1c97eed5230f8c6d1d10467b4b94e23b344223c77e6
sha512
a9ff844727ae01e54cb63476b41d4897fd27d4a64302ee970762997c1978746cc2dd998c0f5af61e847c1dfdcbc27fbbdb80344dbdfe5ab42457ffff62c0b34f
ripemd-160
5194b79d369c40a2f051fcfa61e8c769d5776b18
Diameter
257813996
Circumference
809946555.82623
Area
5.2203889525999E+16
Volume
8.9725955769603E+24
Surface area
2.08815558104E+17
Circumference
809946555.82623
Perimeter
515627992
Area
16617014133372004
Diagonal
182302024.8564
Surface area
99702084800232024
Volume
2.1420494076566E+24
Space diagonal
223273469.98718
Perimeter
386720994
Area
7.1953781872726E+15
Altitude
111636734.99359
Surface area
7.1953781872726E+15
Volume
2.5244294363176E+23
Height
60767341.6188