129911207 is an odd 9-digits composite number following 129911206
and preceding 129911208 . In scientific notation, it is written as 1.29911207 × 10^8.
The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors.
There are 128976456 positive integers (up to 129911207) that are relatively prime to 129911207.
129911207 has 4 divisors, whose sum is 130845960
The reverse of 129911207 is 702119921
Previous prime number is 139
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 32
Digital Root 5
Name
one hundred twenty-nine million nine hundred eleven thousand two hundred seven
Scientific notation
1.29911207 × 10^8
Engineering notation
1.29911207 × 10^6
Prime Factorization
139 × 934613
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
129911207
Product of the distinct prime numbers
The prime factorization of 129911207 is 139 × 934613.
Since it has a total of 2 prime factors.
4 , 3 , 85 , 56 , 415 , 232 , 2745 , 252 , 31870 , 11272 , 767971 , 667764 , 4090958 , 8260411 , 24145773 , 93380154 , 393615230 , 529046054 , 8171865178 , 1625042298
n×2
259822414
n×3
389733621
n×4
519644828
n×5
649556035
n÷2
64955603.5
n÷3
43303735.666667
n÷3
32477801.75
n÷5
25982241.4
n2
16876921704196849
n3
2.1925012690367E+24
n4
2.8483048620959E+32
n5
3.7002672253885E+40
2 √n
11397.859755235
3 √n
506.46434043235
4 √n
106.76075943545
5 √n
41.949744839149
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129911206
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129911207 can be divided by 4 positive divisors.
The sum of these divisors (counting 129911207) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101111100100100110100111
3
Ternary
100001110011200012
4
Quaternary
13233210212213
5
Quinary
231224124312
6
Senary
20520240435
8
Octal
757444647
10
Decimal
129911207
12
Duodecimal
3761011b
16
Hexadecimal
7be49a7
20
Vigesimal
20bii07
36
Base36
25cg4n
md5
8847a6638f7f3c0c4d50b0a786aff71a
sha1
ecdf046ff0f8c257e5391ffda41df75ad64a52cf
sha256
c8f0a8a6bf3d75ef7562e47706d93753763a88a30057501d14df50eba36e4a9b
sha512
27af2f56541a12027a2844cb73cdfcb9e07094f73b6971f0cf5a96ebf96e42c0cc226d2edfaa98d2f80d628ef2a9beb3a83bef329cbf28c7de18a0c849e7e85e
ripemd-160
bea2fa017955d39fd8f3e1850b1bad2ccc0ed1f4
Diameter
259822414
Circumference
816256187.06037
Area
5.3020413241115E+16
Volume
9.1839278397227E+24
Surface area
2.1208165296446E+17
Circumference
816256187.06037
Perimeter
519644828
Area
16876921704196849
Diagonal
183722190.84366
Surface area
101261530225181094
Volume
2.1925012690367E+24
Space diagonal
225012810.9966
Perimeter
389733621
Area
7.3079214667577E+15
Altitude
112506405.4983
Surface area
7.3079214667577E+15
Volume
2.5838875251599E+23
Height
61240730.28122