129386988 is an even 9-digits composite number following 129386987
and preceding 129386989 . In scientific notation, it is written as 1.29386988 × 10^8.
The sum of its digits is 54. It has a total of 4 prime factors and 12 positive divisors.
There are 43128984 positive integers (up to 129386988) that are relatively prime to 129386988.
129386988 has 12 divisors, whose sum is 251585880
The reverse of 129386988 is 889683921
Previous prime number is 9
Is Prime? no Number parity even Number length 9 Sum of Digits 54 Digital Root 9
Name
one hundred twenty-nine million three hundred eighty-six thousand nine hundred eighty-eight
Scientific notation
1.29386988 × 10^8
Engineering notation
1.29386988 × 10^6
Prime Factorization
2 × 2 × 9 × 3594083
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
64693494 Product of the distinct prime numbers
The prime factorization of 129386988 is 2 × 2 × 9 × 3594083.
Since it has a total of 4 prime factors.
1 , 7 , 58 , 95 , 299 , 689 , 3525 , 284 , 55300 , 54341 , 278402 , 853758 , 4620303 , 3940280 , 22006689 , 86588071 , 891447778 , 569432968 , 8541139468 , 98449182
n×2
258773976
n×3
388160964
n×4
517547952
n×5
646934940
n÷2
64693494
n÷3
43128996
n÷3
32346747
n÷5
25877397.6
n2
16740992663712144
n3
2.1660666168878E+24
n4
2.8026083536646E+32
n5
3.6262105342431E+40
2 √n11374.840130745
3 √n505.78219208233
4 √n106.65289555725
5 √n41.915834855454
1 , 2 , 4 , 9 , 18 , 36 , 3594083 , 7188166 , 14376332 , 32346747 , 64693494 , 129386988
12 divisors
τ Total Divisors
12 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-129386987 Sum of the proper positive divisors of n
A Arithmetic Mean
0.083333333333333 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
12 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129386988 can be divided by 12 positive divisors.
The sum of these divisors (counting 129386988) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111101101100100100111101100
3
Ternary
100000110112120200
4
Quaternary
13231210213230
5
Quinary
231110340423
6
Senary
20501113500
8
Octal
755444754
10
Decimal
129386988
12
Duodecimal
373b8890
16
Hexadecimal
7b649ec
20
Vigesimal
208d798
36
Base36
2517n0
md5
8a06bcb15b80d115bbfff603164f006b
sha1
9361279bed47ab2b75896be78bf66d0551c3dcbd
sha256
809d80e56dd186726f5bb72fc3a29f0e1a7315584fb84dbd9af0c577ad54e9ae
sha512
3029de3b6998e211c9e6ac900fbb350e65139be16210cfac87f88ffa21b067e7ea3576f9a60d21071f01591b0d89a4164e020598b60a7b76e452af5fe08b79a4
ripemd-160
9cb165e429a69c924c90d33c237439a6c0262b0d
Diameter
258773976
Circumference
812962421.94182
Area
5.2593379566119E+16
Volume
9.0731986277345E+24
Surface area
2.1037351826447E+17
Circumference
812962421.94182
Perimeter
517547952
Area
16740992663712144
Diagonal
182980833.2242
Surface area
100445955982272864
Volume
2.1660666168878E+24
Space diagonal
224104837.0543
Perimeter
388160964
Area
7.2490624656718E+15
Altitude
112052418.52715
Surface area
7.2490624656718E+15
Volume
2.5527339888386E+23
Height
60993611.074735