129638890 is an even 9-digits composite number following 129638889
and preceding 129638891 . In scientific notation, it is written as 1.29638890 × 10^8.
The sum of its digits is 46. It has a total of 4 prime factors and 16 positive divisors.
There are 51351696 positive integers (up to 129638890) that are relatively prime to 129638890.
129638890 has 16 divisors, whose sum is 235617408
The reverse of 129638890 is 098836921
Previous prime number is 103
Is Prime? no Number parity even Number length 9 Sum of Digits 46 Digital Root 1
Name
one hundred twenty-nine million six hundred thirty-eight thousand eight hundred ninety
Scientific notation
1.29638890 × 10^8
Engineering notation
1.29638890 × 10^6
Prime Factorization
2 × 5 × 103 × 125863
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
129638890 Product of the distinct prime numbers
The prime factorization of 129638890 is 2 × 5 × 103 × 125863.
Since it has a total of 4 prime factors.
10 , 2 , 39 , 40 , 548 , 246 , 1490 , 4190 , 93895 , 59305 , 525719 , 164404 , 2747540 , 2711948 , 57413719 , 88360807 , 673691113 , 352129236 , 1018006379 , 4772523494
n×2
259277780
n×3
388916670
n×4
518555560
n×5
648194450
n÷2
64819445
n÷3
43212963.333333
n÷3
32409722.5
n÷5
25927778
n2
16806241800432100
n3
2.1787425320796E+24
n4
2.8244976345459E+32
n5
3.6616473815016E+40
2 √n11385.907517629
3 √n506.11021309455
4 √n106.70476801731
5 √n41.93214324899
1 , 2 , 5 , 10 , 103 , 206 , 515 , 1030 , 125863 , 251726 , 629315 , 1258630 , 12963889 , 25927778 , 64819445 , 129638890
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
-129638889 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 129638890 can be divided by 16 positive divisors.
The sum of these divisors (counting 129638890) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101110100010000111101010
3
Ternary
100000221100010101
4
Quaternary
13232202013222
5
Quinary
231141421030
6
Senary
20510340014
8
Octal
756420752
10
Decimal
129638890
12
Duodecimal
374ba60a
16
Hexadecimal
7ba21ea
20
Vigesimal
20a4h4a
36
Base36
256m0a
md5
2d9c2b9b20771dfbf1fb450de4526ee1
sha1
e78c2eed06ac3ef8c139d4e560c2e5fdffec0d98
sha256
6377215e56cc84ee8582395a9ebf66100e4dc579658195f028691acb67920f0d
sha512
515e94455f37b642c94bc5cdd13e65fd6f2249b52dafbba85bbad17c6ed2a509aaceecd5f542c3eed4cfd334cac43882e703ebd9d8a67194f33a9d7a950f2ee6
ripemd-160
df41af0ee2dc87c8bbaa7b01af581f755a397c60
Diameter
259277780
Circumference
814545168.88707
Area
5.2798365774691E+16
Volume
9.1262953771266E+24
Surface area
2.1119346309876E+17
Circumference
814545168.88707
Perimeter
518555560
Area
16806241800432100
Diagonal
183337076.44899
Surface area
100837450802592600
Volume
2.1787425320796E+24
Space diagonal
224541144.11683
Perimeter
388916670
Area
7.2773161706591E+15
Altitude
112270572.05842
Surface area
7.2773161706591E+15
Volume
2.5676726981551E+23
Height
61112358.816331