129291391 is an odd 9-digits composite number following 129291390
and preceding 129291392 . In scientific notation, it is written as 1.29291391 × 10^8.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 127171800 positive integers (up to 129291391) that are relatively prime to 129291391.
129291391 has 4 divisors, whose sum is 131410984
The reverse of 129291391 is 193192921
Previous prime number is 61
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 37
Digital Root 1
Name
one hundred twenty-nine million two hundred ninety-one thousand three hundred ninety-one
Scientific notation
1.29291391 × 10^8
Engineering notation
1.29291391 × 10^6
Prime Factorization
61 × 2119531
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
129291391
Product of the distinct prime numbers
The prime factorization of 129291391 is 61 × 2119531.
Since it has a total of 2 prime factors.
9 , 4 , 96 , 94 , 592 , 676 , 868 , 1603 , 73922 , 60232 , 48969 , 229507 , 4368880 , 4378055 , 72379238 , 72226313 , 497012475 , 797381139 , 1831444349 , 5832894502
n×2
258582782
n×3
387874173
n×4
517165564
n×5
646456955
n÷2
64645695.5
n÷3
43097130.333333
n÷3
32322847.75
n÷5
25858278.2
n2
16716263786714881
n3
2.1612689973073E+24
n4
2.7943347498704E+32
n5
3.6128342673037E+40
2 √n
11370.637229285
3 √n
505.65759641808
4 √n
106.63319009241
5 √n
41.909639158527
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129291390
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129291391 can be divided by 4 positive divisors.
The sum of these divisors (counting 129291391) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101101001101010001111111
3
Ternary
100000021200110001
4
Quaternary
13231031101333
5
Quinary
231044311031
6
Senary
20455055131
8
Octal
755152177
10
Decimal
129291391
12
Duodecimal
373714a7
16
Hexadecimal
7b4d47f
20
Vigesimal
208189b
36
Base36
24z5vj
md5
f965c7dbdfd6cc9e26e58986b78a0817
sha1
fb0fd80adf98690091b000e641a8d3fdbc882253
sha256
3586125b39016cf303bc7fa7f235ef070f93188356ad45ff45fc69070467a9e9
sha512
813ceb897d0bce0c4a75993b8590d4c3569d0002589b24c7e55f0112a4a303a21077169406a61dc7b94e35a8fe25333cc58f0260d00f02899c879a72083fda0a
ripemd-160
7ba8eac2d2fbf6f54200bfa50950f3989542206a
Diameter
258582782
Circumference
812361768.27601
Area
5.2515691507813E+16
Volume
9.0531024058293E+24
Surface area
2.1006276603125E+17
Circumference
812361768.27601
Perimeter
517165564
Area
16716263786714881
Diagonal
182845638.65028
Surface area
100297582720289286
Volume
2.1612689973073E+24
Space diagonal
223939258.19325
Perimeter
387874173
Area
7.2383545478285E+15
Altitude
111969629.09663
Surface area
7.2383545478285E+15
Volume
2.5470799399404E+23
Height
60948546.216761