129125818 is an even 9-digits composite number following 129125817
and preceding 129125819 . In scientific notation, it is written as 1.29125818 × 10^8.
The sum of its digits is 37. It has a total of 5 prime factors and 32 positive divisors.
There are 59609088 positive integers (up to 129125818) that are relatively prime to 129125818.
129125818 has 32 divisors, whose sum is 209252736
The reverse of 129125818 is 818521921
Previous prime number is 43
Is Prime? no Number parity even Number length 9 Sum of Digits 37 Digital Root 1
Name
one hundred twenty-nine million one hundred twenty-five thousand eight hundred eighteen
Scientific notation
1.29125818 × 10^8
Engineering notation
1.29125818 × 10^6
Prime Factorization
2 × 97 × 673 × 43 × 23
Composite number
ω Distinct Factors
5 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
129125818 Product of the distinct prime numbers
The prime factorization of 129125818 is 2 × 97 × 673 × 43 × 23.
Since it has a total of 5 prime factors.
5 , 3 , 57 , 26 , 144 , 79 , 8785 , 5157 , 60755 , 2785 , 522137 , 511569 , 3102327 , 8530315 , 49326352 , 96959598 , 427543590 , 826268929 , 8143360042 , 1564267384
n×2
258251636
n×3
387377454
n×4
516503272
n×5
645629090
n÷2
64562909
n÷3
43041939.333333
n÷3
32281454.5
n÷5
25825163.6
n2
16673476874169124
n3
2.1529763402812E+24
n4
2.7800483107345E+32
n5
3.5897601220311E+40
2 √n11363.354170314
3 √n505.44165265157
4 √n106.59903456558
5 √n41.898899600535
1 , 2 , 23 , 43 , 46 , 86 , 97 , 194 , 673 , 989 , 1346 , 1978 , 2231 , 4171 , 4462 , 8342 , 15479 , 28939 , 30958 , 57878 , 65281 , 95933 , 130562 , 191866 , 665597 , 1331194 , 1501463 , 2807083 , 3002926 , 5614166 , 64562909 , 129125818
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
-129125817 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 129125818 can be divided by 32 positive divisors.
The sum of these divisors (counting 129125818) is 1, the average is 0.03125.
Base
System
Value
2
Binary
111101100100100110110111010
3
Ternary
22222222021022201
4
Quaternary
13230210312322
5
Quinary
231024011233
6
Senary
20451340414
8
Octal
754446672
10
Decimal
129125818
12
Duodecimal
372b170a
16
Hexadecimal
7b24dba
20
Vigesimal
2070eai
36
Base36
24vm4a
md5
b4d4845f07b788f18dfa9dfad2f4dd52
sha1
3dcf094732bef9dee54849428c6b16ef71d67ba2
sha256
86da2b36111fe050819254f2cbc36c10765effa811c162844b3dce862a71d3a6
sha512
79b14a08e04278a4a2b913222f1dcd818ee21069538ea898f149705a187adaeab126af77ca06bdd4aa013de3cce8409ac778330fe66295dd1958c72445b7ac96
ripemd-160
7f6968ee3411c5f122601b7a2a1ea8abf7bd8ff3
Diameter
258251636
Circumference
811321442.43515
Area
5.2381272457689E+16
Volume
9.0183662053066E+24
Surface area
2.0952508983076E+17
Circumference
811321442.43515
Perimeter
516503272
Area
16673476874169124
Diagonal
182611483.06812
Surface area
100040861245014744
Volume
2.1529763402812E+24
Space diagonal
223652477.34489
Perimeter
387377454
Area
7.2198272712214E+15
Altitude
111826238.67245
Surface area
7.2198272712214E+15
Volume
2.5373069499117E+23
Height
60870494.35604