129087890 is an even 9-digits composite number following 129087889
and preceding 129087891 . In scientific notation, it is written as 1.29087890 × 10^8.
The sum of its digits is 44. It has a total of 4 prime factors and 16 positive divisors.
There are 51604224 positive integers (up to 129087890) that are relatively prime to 129087890.
129087890 has 16 divisors, whose sum is 232497432
The reverse of 129087890 is 098780921
Previous prime number is 2437
Is Prime? no
Number parity even
Number length 9
Sum of Digits 44
Digital Root 8
Name
one hundred twenty-nine million eighty-seven thousand eight hundred ninety
Scientific notation
1.29087890 × 10^8
Engineering notation
1.29087890 × 10^6
Prime Factorization
2 × 5 × 2437 × 5297
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
129087890
Product of the distinct prime numbers
The prime factorization of 129087890 is 2 × 5 × 2437 × 5297.
Since it has a total of 4 prime factors.
8 , 8 , 38 , 52 , 30 , 287 , 8134 , 9206 , 76562 , 1888 , 609729 , 473050 , 3654392 , 2660097 , 59988630 , 47347319 , 419285861 , 569953727 , 9035067473 , 9217892830
n×2
258175780
n×3
387263670
n×4
516351560
n×5
645439450
n÷2
64543945
n÷3
43029296.666667
n÷3
32271972.5
n÷5
25817578
n2
16663683344652100
n3
2.1510797225893E+24
n4
2.7767834261084E+32
n5
3.584491134633E+40
2 √n
11361.685174304
3 √n
505.39216017833
4 √n
106.59120589572
5 √n
41.896437926746
1 , 2 , 5 , 10 , 2437 , 4874 , 5297 , 10594 , 12185 , 24370 , 26485 , 52970 , 12908789 , 25817578 , 64543945 , 129087890
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129087889
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129087890 can be divided by 16 positive divisors.
The sum of these divisors (counting 129087890) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101100011011100110010010
3
Ternary
22222220100021222
4
Quaternary
13230123212102
5
Quinary
231021303030
6
Senary
20450445042
8
Octal
754334622
10
Decimal
129087890
12
Duodecimal
37293782
16
Hexadecimal
7b1b992
20
Vigesimal
206fjea
36
Base36
24usuq
md5
f62b2201179536869c64e752632e3a60
sha1
aab21682238bd2aecad4147b99c6a616272fdd66
sha256
a86af06c2205db0217780472ffa8dd2fafe90469bbecc292df6064dabe03b19b
sha512
942c8ff2567501614b85611c189c67c204d18f1eb3a0267a6c639e57fd8820c55752d5ef501b6336c89e447238354687d9dbb114f5fe7334564055225e963817
ripemd-160
6318ba2eed4b913a44318a26d56f9ac576e0fe95
Diameter
258175780
Circumference
811083133.78281
Area
5.2350505177306E+16
Volume
9.0104216716966E+24
Surface area
2.0940202070922E+17
Circumference
811083133.78281
Perimeter
516351560
Area
16663683344652100
Diagonal
182557844.77613
Surface area
99982100067912600
Volume
2.1510797225893E+24
Space diagonal
223586784.12186
Perimeter
387263670
Area
7.2155865485442E+15
Altitude
111793392.06093
Surface area
7.2155865485442E+15
Volume
2.5350717645263E+23
Height
60852614.925375