128855402 is an even 9-digits composite number following 128855401
and preceding 128855403 . In scientific notation, it is written as 1.28855402 × 10^8.
The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors.
There are 58341504 positive integers (up to 128855402) that are relatively prime to 128855402.
128855402 has 16 divisors, whose sum is 208482120
The reverse of 128855402 is 204558821
Previous prime number is 13
Is Prime? no
Number parity even
Number length 9
Sum of Digits 35
Digital Root 8
Name
one hundred twenty-eight million eight hundred fifty-five thousand four hundred two
Scientific notation
1.28855402 × 10^8
Engineering notation
1.28855402 × 10^6
Prime Factorization
2 × 689 × 13 × 7193
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
128855402
Product of the distinct prime numbers
The prime factorization of 128855402 is 2 × 689 × 13 × 7193.
Since it has a total of 4 prime factors.
9 , 9 , 37 , 21 , 588 , 699 , 7682 , 7706 , 88967 , 37877 , 873365 , 155742 , 1108220 , 3213809 , 58137690 , 10598973 , 580959153 , 171599579 , 6885568033 , 9043822542
n×2
257710804
n×3
386566206
n×4
515421608
n×5
644277010
n÷2
64427701
n÷3
42951800.666667
n÷3
32213850.5
n÷5
25771080.4
n2
16603714624581604
n3
2.1394783226437E+24
n4
2.7568333933455E+32
n5
3.5523287514655E+40
2 √n
11351.449334777
3 √n
505.08857316449
4 √n
106.54318061132
5 √n
41.881335900256
1 , 2 , 13 , 26 , 689 , 1378 , 7193 , 8957 , 14386 , 17914 , 93509 , 187018 , 4955977 , 9911954 , 64427701 , 128855402
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
-128855401
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 128855402 can be divided by 16 positive divisors.
The sum of these divisors (counting 128855402) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101011100010110101101010
3
Ternary
22222110112101022
4
Quaternary
13223202311222
5
Quinary
230441333102
6
Senary
20441452442
8
Octal
753426552
10
Decimal
128855402
12
Duodecimal
371a1122
16
Hexadecimal
7ae2d6a
20
Vigesimal
2056ia2
36
Base36
24ptgq
md5
f06b8fc254288f085889779945203ba5
sha1
a7070d41100fe9ce43dc351133ec3144cbc21b0c
sha256
848d26709595528a1f6ca831105de1d8d43fbeb89905f116e9f22c349e041f0f
sha512
fbf6f4650390c8ea993415bb82e31acab1bb3108dd3e58413178f2edf302ba2870bb63442c30df8238e424f7c3db07fcfda40bce3c2f99aed2c44e03d3c26638
ripemd-160
d9acad60b76a7aa1f902d2f56980184c7b7277d4
Diameter
257710804
Circumference
809622368.59712
Area
5.2162107886887E+16
Volume
8.9618258412429E+24
Surface area
2.0864843154755E+17
Circumference
809622368.59712
Perimeter
515421608
Area
16603714624581604
Diagonal
182229057.09344
Surface area
99622287747489624
Volume
2.1394783226437E+24
Space diagonal
223184103.09371
Perimeter
386566206
Area
7.1896193310374E+15
Altitude
111592051.54686
Surface area
7.1896193310374E+15
Volume
2.5213993835717E+23
Height
60743019.031146