129840906 is an even 9-digits composite number following 129840905
and preceding 129840907 . In scientific notation, it is written as 1.29840906 × 10^8.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 39951024 positive integers (up to 129840906) that are relatively prime to 129840906.
129840906 has 16 divisors, whose sum is 279657504
The reverse of 129840906 is 609048921
Previous prime number is 13
Is Prime? no
Number parity even
Number length 9
Sum of Digits 39
Digital Root 3
Name
one hundred twenty-nine million eight hundred forty thousand nine hundred six
Scientific notation
1.29840906 × 10^8
Engineering notation
1.29840906 × 10^6
Prime Factorization
2 × 3 × 13 × 1664627
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
129840906
Product of the distinct prime numbers
The prime factorization of 129840906 is 2 × 3 × 13 × 1664627.
Since it has a total of 4 prime factors.
9 , 7 , 65 , 58 , 370 , 913 , 9882 , 8731 , 78812 , 12096 , 331471 , 275365 , 3883137 , 2326388 , 90895964 , 73874722 , 252331749 , 131387468 , 4206039724 , 9448555748
n×2
259681812
n×3
389522718
n×4
519363624
n×5
649204530
n÷2
64920453
n÷3
43280302
n÷3
32460226.5
n÷5
25968181.2
n2
16858660870900836
n3
2.1889438014245E+24
n4
2.8421444636004E+32
n5
3.6902661213676E+40
2 √n
11394.775381726
3 √n
506.3729668066
4 √n
106.74631319969
5 √n
41.945203664222
1 , 2 , 3 , 6 , 13 , 26 , 39 , 78 , 1664627 , 3329254 , 4993881 , 9987762 , 21640151 , 43280302 , 64920453 , 129840906
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
-129840905
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 129840906 can be divided by 16 positive divisors.
The sum of these divisors (counting 129840906) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101111010011011100001010
3
Ternary
100001022121020110
4
Quaternary
13233103130022
5
Quinary
231214402111
6
Senary
20514535150
8
Octal
757233412
10
Decimal
129840906
12
Duodecimal
375974b6
16
Hexadecimal
7bd370a
20
Vigesimal
20ba256
36
Base36
25axvu
md5
94b2ce14c91686b3b67d79f8e049eb2e
sha1
9c10e5c80fba0a759f67e311d2e97a66cfd5e1c6
sha256
3eb5c4d188d6795474f18116edc1a4e7e5dd8fa5efb167583435e5239cd5155e
sha512
d0cd3cc0ac29a0ec24f6ce6be077437b8bc6fd27bf5db9f15684b26d9cd297619fdee9f5710e29f5e8168af6af36154a01c51154e9a4b6a7f56ba7108bd0480f
ripemd-160
c734ed502ad6730087b740a97d890da4cbef9216
Diameter
259681812
Circumference
815814472.85009
Area
5.2963045141384E+16
Volume
9.1690263542349E+24
Surface area
2.1185218056554E+17
Circumference
815814472.85009
Perimeter
519363624
Area
16858660870900836
Diagonal
183622770.21601
Surface area
101151965225405016
Volume
2.1889438014245E+24
Space diagonal
224891046.09277
Perimeter
389522718
Area
7.3000142939934E+15
Altitude
112445523.04639
Surface area
7.3000142939934E+15
Volume
2.5796950093726E+23
Height
61207590.072003