129201872 is an even 9-digits composite number following 129201871
and preceding 129201873 . In scientific notation, it is written as 1.29201872 × 10^8.
The sum of its digits is 32. It has a total of 6 prime factors and 20 positive divisors.
There are 63226080 positive integers (up to 129201872) that are relatively prime to 129201872.
129201872 has 20 divisors, whose sum is 255656256
The reverse of 129201872 is 278102921
Previous prime number is 47
Is Prime? no
Number parity even
Number length 9
Sum of Digits 32
Digital Root 5
Name
one hundred twenty-nine million two hundred one thousand eight hundred seventy-two
Scientific notation
1.29201872 × 10^8
Engineering notation
1.29201872 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 47 × 171811
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
16150234
Product of the distinct prime numbers
The prime factorization of 129201872 is 2 × 2 × 2 × 2 × 47 × 171811.
Since it has a total of 6 prime factors.
10 , 3 , 64 , 41 , 894 , 416 , 2265 , 8161 , 98647 , 82308 , 344345 , 729060 , 2841742 , 3932751 , 89487433 , 51317178 , 806189715 , 936012682 , 6094164904 , 5184761226
n×2
258403744
n×3
387605616
n×4
516807488
n×5
646009360
n÷2
64600936
n÷3
43067290.666667
n÷3
32300468
n÷5
25840374.4
n2
16693123728304384
n3
2.1567828352245E+24
n4
2.7866037980848E+32
n5
3.6003442723486E+40
2 √n
11366.700136803
3 √n
505.5408667757
4 √n
106.61472757928
5 √n
41.903834056676
1 , 2 , 4 , 8 , 16 , 47 , 94 , 188 , 376 , 752 , 171811 , 343622 , 687244 , 1374488 , 2748976 , 8075117 , 16150234 , 32300468 , 64600936 , 129201872
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129201871
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129201872 can be divided by 20 positive divisors.
The sum of these divisors (counting 129201872) is 1, the average is 0.05.
Base
System
Value
2
Binary
111101100110111011011010000
3
Ternary
100000010010122112
4
Quaternary
13230313123100
5
Quinary
231033424442
6
Senary
20453124452
8
Octal
754673320
10
Decimal
129201872
12
Duodecimal
37329728
16
Hexadecimal
7b376d0
20
Vigesimal
207a4dc
36
Base36
24x8sw
md5
fc4c90d7ab4468da821f093c55e0247f
sha1
6ea73c9f3444ecf3336f2c5aa7d631ddcd3e0f0b
sha256
81250b2b760395d0c0c6d49c2efa2678bafda13818abd436249073ea54cc5209
sha512
ed68064a5ecfbc09026b42b56dbfe3bfcdbdfdc19d6c85cea9cea501244446d27aabff2188551d132fea99dc8688fd7f304c1c44c8d6bb28be9d4c04beaddb5d
ripemd-160
4dfb743ddd516f26bf0b03a8230a525eed25ea01
Diameter
258403744
Circumference
811799303.8105
Area
5.2442994870307E+16
Volume
9.03431081404E+24
Surface area
2.0977197948123E+17
Circumference
811799303.8105
Perimeter
516807488
Area
16693123728304384
Diagonal
182719039.66639
Surface area
100158742369826304
Volume
2.1567828352245E+24
Space diagonal
223784206.73701
Perimeter
387605616
Area
7.2283346086142E+15
Altitude
111892103.36851
Surface area
7.2283346086142E+15
Volume
2.5417929472234E+23
Height
60906346.555464