128673885 is an odd 9-digits composite number following 128673884
and preceding 128673886 . In scientific notation, it is written as 1.28673885 × 10^8.
The sum of its digits is 48. It has a total of 3 prime factors and 8 positive divisors.
There are 68502528 positive integers (up to 128673885) that are relatively prime to 128673885.
128673885 has 8 divisors, whose sum is 137499264
The reverse of 128673885 is 588376821
Previous prime number is 577
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 48
Digital Root 3
Name
one hundred twenty-eight million six hundred seventy-three thousand eight hundred eighty-five
Scientific notation
1.28673885 × 10^8
Engineering notation
1.28673885 × 10^6
Prime Factorization
15 × 577 × 14867
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
128673885
Product of the distinct prime numbers
The prime factorization of 128673885 is 15 × 577 × 14867.
Since it has a total of 3 prime factors.
9 , 3 , 27 , 52 , 527 , 464 , 4714 , 4664 , 54200 , 14374 , 392733 , 277669 , 9480117 , 4271329 , 73584570 , 24153701 , 7402635 , 158977522 , 4560339631 , 619782882
n×2
257347770
n×3
386021655
n×4
514695540
n×5
643369425
n÷2
64336942.5
n÷3
42891295
n÷3
32168471.25
n÷5
25734777
n2
16556968680993225
n3
2.1304494840067E+24
n4
2.7413321190339E+32
n5
3.5273785383138E+40
2 √n
11343.451194412
3 √n
504.85129104996
4 √n
106.50563926108
5 √n
41.869529702626
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
-128673884
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 128673885 can be divided by 8 positive divisors.
The sum of these divisors (counting 128673885) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101010110110100001011101
3
Ternary
22222010022101110
4
Quaternary
13222312201131
5
Quinary
230420031020
6
Senary
20433532233
8
Octal
752664135
10
Decimal
128673885
12
Duodecimal
37114079
16
Hexadecimal
7ab685d
20
Vigesimal
20444e5
36
Base36
24lxel
md5
d320c57187be83a7920018cffef2beca
sha1
b041c112239795ba3a921671a7d758cad657a898
sha256
698ed3931e4921e007c57ffa72e02d79446adaa0e9c4ef652834a2fbba491b82
sha512
e8777d80aaf5ae10a38894da991900ef6df7a9e317aa832a7ddcc3618a1aa6e6da2d0064b2b67c241514afb2257e13ec91fabe28ea493395348e3763364b35fd
ripemd-160
fffa6d59906dcae38005eb7a82f38c173b897f18
Diameter
257347770
Circumference
808481863.64972
Area
5.2015251173925E+16
Volume
8.9240059303996E+24
Surface area
2.080610046957E+17
Circumference
808481863.64972
Perimeter
514695540
Area
16556968680993225
Diagonal
181972353.29024
Surface area
99341812085959350
Volume
2.1304494840067E+24
Space diagonal
222869706.42727
Perimeter
386021655
Area
7.1693777437017E+15
Altitude
111434853.21364
Surface area
7.1693777437017E+15
Volume
2.5107587951942E+23
Height
60657451.096745