128839629 is an odd 9-digits composite number following 128839628
and preceding 128839630 . In scientific notation, it is written as 1.28839629 × 10^8.
The sum of its digits is 48. It has a total of 3 prime factors and 8 positive divisors.
There are 82158560 positive integers (up to 128839629) that are relatively prime to 128839629.
128839629 has 8 divisors, whose sum is 179255232
The reverse of 128839629 is 926938821
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 48
Digital Root 3
Name
one hundred twenty-eight million eight hundred thirty-nine thousand six hundred twenty-nine
Scientific notation
1.28839629 × 10^8
Engineering notation
1.28839629 × 10^6
Prime Factorization
3 × 23 × 1867241
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
128839629
Product of the distinct prime numbers
The prime factorization of 128839629 is 3 × 23 × 1867241.
Since it has a total of 3 prime factors.
3 , 7 , 13 , 46 , 808 , 818 , 2771 , 3252 , 39251 , 14348 , 375462 , 16597 , 4568116 , 7960600 , 80213278 , 54392340 , 847621491 , 411637884 , 2000694985 , 3250557854
n×2
257679258
n×3
386518887
n×4
515358516
n×5
644198145
n÷2
64419814.5
n÷3
42946543
n÷3
32209907.25
n÷5
25767925.8
n2
16599650000857641
n3
2.1386927476403E+24
n4
2.7554838015097E+32
n5
3.5501551070202E+40
2 √n
11350.754556416
3 √n
505.06796327405
4 √n
106.53992001319
5 √n
41.880310523518
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
-128839628
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 128839629 can be divided by 8 positive divisors.
The sum of these divisors (counting 128839629) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101011011110111111001101
3
Ternary
22222102201202010
4
Quaternary
13223132333031
5
Quinary
230440332004
6
Senary
20441251433
8
Octal
753367715
10
Decimal
128839629
12
Duodecimal
37193b79
16
Hexadecimal
7adefcd
20
Vigesimal
2054j19
36
Base36
24phal
md5
21f842b0628db26796a878a8e9ec50dd
sha1
d1a5b1ddc96afb571c0036d06391b15bdc419e04
sha256
b63192c300897240198be9322b0495d39e4d99903fe041fc935d4587d3a3121d
sha512
c453a6fdf285fd741140f095742c1bc7f37699dcc4dd6d453fb90adfa7188859485071faed7805db908e11cbd6b37eca1de4935817bdb3bde92e2c3fe72b37c1
ripemd-160
2c5de53ca3e1c7633a054590f373f444ab76205d
Diameter
257679258
Circumference
809523263.91527
Area
5.2149338494856E+16
Volume
8.9585352323636E+24
Surface area
2.0859735397942E+17
Circumference
809523263.91527
Perimeter
515358516
Area
16599650000857641
Diagonal
182206750.70292
Surface area
99597900005145846
Volume
2.1386927476403E+24
Space diagonal
223156783.45632
Perimeter
386518887
Area
7.1878592973365E+15
Altitude
111578391.72816
Surface area
7.1878592973365E+15
Volume
2.5204735745516E+23
Height
60735583.567639