129398840 is an even 9-digits composite number following 129398839
and preceding 129398841 . In scientific notation, it is written as 1.29398840 × 10^8.
The sum of its digits is 44. It has a total of 6 prime factors and 32 positive divisors.
There are 51103104 positive integers (up to 129398840) that are relatively prime to 129398840.
129398840 has 32 divisors, whose sum is 294840000
The reverse of 129398840 is 048893921
Previous prime number is 79
Is Prime? no
Number parity even
Number length 9
Sum of Digits 44
Digital Root 8
Name
one hundred twenty-nine million three hundred ninety-eight thousand eight hundred forty
Scientific notation
1.29398840 × 10^8
Engineering notation
1.29398840 × 10^6
Prime Factorization
2 × 2 × 2 × 5 × 79 × 40949
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
32349710
Product of the distinct prime numbers
The prime factorization of 129398840 is 2 × 2 × 2 × 5 × 79 × 40949.
Since it has a total of 6 prime factors.
6 , 4 , 24 , 95 , 658 , 625 , 727 , 5765 , 26507 , 97889 , 857746 , 21686 , 3924531 , 3115533 , 99562866 , 42061340 , 789444689 , 187860729 , 5754621402 , 8755412983
n×2
258797680
n×3
388196520
n×4
517595360
n×5
646994200
n÷2
64699420
n÷3
43132946.666667
n÷3
32349710
n÷5
25879768
n2
16744059793345600
n3
2.1666619141496E+24
n4
2.8036353836313E+32
n5
3.6278716642485E+40
2 √n
11375.36109317
3 √n
505.797635025
4 √n
106.65533785596
5 √n
41.916602735255
1 , 2 , 4 , 5 , 8 , 10 , 20 , 40 , 79 , 158 , 316 , 395 , 632 , 790 , 1580 , 3160 , 40949 , 81898 , 163796 , 204745 , 327592 , 409490 , 818980 , 1637960 , 3234971 , 6469942 , 12939884 , 16174855 , 25879768 , 32349710 , 64699420 , 129398840
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129398839
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129398840 can be divided by 32 positive divisors.
The sum of these divisors (counting 129398840) is 1, the average is 0.03125.
Base
System
Value
2
Binary
111101101100111100000111000
3
Ternary
100000111010211122
4
Quaternary
13231213200320
5
Quinary
231111230330
6
Senary
20501244412
8
Octal
755474070
10
Decimal
129398840
12
Duodecimal
37403708
16
Hexadecimal
7b67838
20
Vigesimal
208eh20
36
Base36
251gs8
md5
98fc382aa473c3724b693c38232ed272
sha1
34d09235999482036acf63898e5aa568f36a26a8
sha256
a90e7a84e0f9e0260f19a38fb9c5fa263901cc1d39ade9e34962ca36c6b462bf
sha512
a9b176a5b268c353c6a5e4a257e60f27135311c0189c8709c9208795d364f2769072397001dfa0736fd250628853c86e705e26a781f96c600b45c5222bd48e0c
ripemd-160
7bd3b52496ae43591b39eb1c20fe0aec8a43a8d3
Diameter
258797680
Circumference
813036890.25408
Area
5.2603015238043E+16
Volume
9.0756922030734E+24
Surface area
2.1041206095217E+17
Circumference
813036890.25408
Perimeter
517595360
Area
16744059793345600
Diagonal
182997594.48335
Surface area
100464358760073600
Volume
2.1666619141496E+24
Space diagonal
224125365.32048
Perimeter
388196520
Area
7.2503905717615E+15
Altitude
112062682.66024
Surface area
7.2503905717615E+15
Volume
2.5534355533896E+23
Height
60999198.161115