129871018 is an even 9-digits composite number following 129871017
and preceding 129871019 . In scientific notation, it is written as 1.29871018 × 10^8.
The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors.
There are 62112204 positive integers (up to 129871018) that are relatively prime to 129871018.
129871018 has 8 divisors, whose sum is 203276448
The reverse of 129871018 is 810178921
Previous prime number is 23
Is Prime? no
Number parity even
Number length 9
Sum of Digits 37
Digital Root 1
Name
one hundred twenty-nine million eight hundred seventy-one thousand eighteen
Scientific notation
1.29871018 × 10^8
Engineering notation
1.29871018 × 10^6
Prime Factorization
2 × 23 × 2823283
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
129871018
Product of the distinct prime numbers
The prime factorization of 129871018 is 2 × 23 × 2823283.
Since it has a total of 3 prime factors.
8 , 1 , 61 , 77 , 543 , 530 , 6331 , 5959 , 84352 , 22393 , 516587 , 61806 , 1860376 , 2677521 , 19624980 , 17926800 , 903555230 , 58296726 , 168667942 , 468646213
n×2
259742036
n×3
389613054
n×4
519484072
n×5
649355090
n÷2
64935509
n÷3
43290339.333333
n÷3
32467754.5
n÷5
25974203.6
n2
16866481316356324
n3
2.1904670986332E+24
n4
2.84478191995E+32
n5
3.694547239319E+40
2 √n
11396.096612437
3 √n
506.41210887325
4 √n
106.75250166828
5 √n
41.947149024679
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
-129871017
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 129871018 can be divided by 8 positive divisors.
The sum of these divisors (counting 129871018) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101111011010110010101010
3
Ternary
100001101010112201
4
Quaternary
13233122302222
5
Quinary
231221333033
6
Senary
20515330414
8
Octal
757326252
10
Decimal
129871018
12
Duodecimal
375b0a0a
16
Hexadecimal
7bdacaa
20
Vigesimal
20bdhai
36
Base36
25bl4a
md5
a57723bda4f211dcaa6cb6b7a6e4e948
sha1
16d8a672330f78f29aefbf2c8118a96dbfb94374
sha256
071795a3a0640943a9ee0cc0416c78116f1a47c254c21dd748051f37efe574f8
sha512
c1af6b5da1ad5abcbd51b59dadc5571b861da7b8c9bee1bf0728596cfbf00c91fff39a9f52001838f30ccecba94cf5bf8c7c1f03e76fee54df70e5b297c119aa
ripemd-160
128bd1a9ee5702c7d87358042e0ed08d6c467dd4
Diameter
259742036
Circumference
816003672.12606
Area
5.2987613795375E+16
Volume
9.1754071266615E+24
Surface area
2.119504551815E+17
Circumference
816003672.12606
Perimeter
519484072
Area
16866481316356324
Diagonal
183665355.0148
Surface area
101198887898137944
Volume
2.1904670986332E+24
Space diagonal
224943201.60669
Perimeter
389613054
Area
7.3034006462101E+15
Altitude
112471600.80335
Surface area
7.3034006462101E+15
Volume
2.5814902323492E+23
Height
61221785.004933