129205087 is an odd 9-digits composite number following 129205086
and preceding 129205088 . In scientific notation, it is written as 1.29205087 × 10^8.
The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors.
There are 116612760 positive integers (up to 129205087) that are relatively prime to 129205087.
129205087 has 8 divisors, whose sum is 141966720
The reverse of 129205087 is 780502921
Previous prime number is 139
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 34
Digital Root 7
Name
one hundred twenty-nine million two hundred five thousand eighty-seven
Scientific notation
1.29205087 × 10^8
Engineering notation
1.29205087 × 10^6
Prime Factorization
11 × 139 × 84503
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
129205087
Product of the distinct prime numbers
The prime factorization of 129205087 is 11 × 139 × 84503.
Since it has a total of 3 prime factors.
1 , 4 , 64 , 23 , 257 , 416 , 9236 , 6611 , 54327 , 56327 , 595318 , 496124 , 3262138 , 3728169 , 61776071 , 57793456 , 737194142 , 236004247 , 1863365434 , 3678300661
n×2
258410174
n×3
387615261
n×4
516820348
n×5
646025435
n÷2
64602543.5
n÷3
43068362.333333
n÷3
32301271.75
n÷5
25841017.4
n2
16693954506677569
n3
2.1569438444093E+24
n4
2.7868811707102E+32
n5
3.6007922412027E+40
2 √n
11366.841557794
3 √n
505.54505995645
4 √n
106.61539081106
5 √n
41.90404259775
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
-129205086
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 129205087 can be divided by 8 positive divisors.
The sum of these divisors (counting 129205087) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101100111000001101011111
3
Ternary
100000010022001121
4
Quaternary
13230320031133
5
Quinary
231034030322
6
Senary
20453151411
8
Octal
754701537
10
Decimal
129205087
12
Duodecimal
3732b567
16
Hexadecimal
7b3835f
20
Vigesimal
207ace7
36
Base36
24xba7
md5
a5d2b18df2984994a83e5146beea10a5
sha1
876b79ee7dc0fe011fc568921fa5ca38a4e73a6e
sha256
09e9a006e297088fd211e510de16721feed978ad4623071aa0c03b386476b32c
sha512
ca16ffb781a2abf8297fabff368f6a27446dea7a35826e027e63de04aac85c9c94aaef9a81f9505e416dd3c675c2f1e0e3c0fa2203b19b9f0d3230c3ee4ee309
ripemd-160
413c465a6b0e4b18024009f2aa16713cf4de663d
Diameter
258410174
Circumference
811819504.25126
Area
5.244560483754E+16
Volume
9.034985247736E+24
Surface area
2.0978241935016E+17
Circumference
811819504.25126
Perimeter
516820348
Area
16693954506677569
Diagonal
182723586.363
Surface area
100163727040065414
Volume
2.1569438444093E+24
Space diagonal
223789775.28036
Perimeter
387615261
Area
7.2286943462022E+15
Altitude
111894887.64018
Surface area
7.2286943462022E+15
Volume
2.5419826983673E+23
Height
60907862.120999