129781489 is an odd 9-digits prime number following 129781488
and preceding 129781490 . In scientific notation, it is written as 1.29781489 × 10^8.
The sum of its digits is 49. It has a total of 1 prime factors and 2 positive divisors.
There are 129781488 positive integers (up to 129781489) that are relatively prime to 129781489.
129781489 has 2 divisors, whose sum is 129781490
The reverse of 129781489 is 984187921
Previous prime number is 1
Is Prime? yes Number parity odd Number length 9 Sum of Digits 49 Digital Root 4
Name
one hundred twenty-nine million seven hundred eighty-one thousand four hundred eighty-nine
Scientific notation
1.29781489 × 10^8
Engineering notation
1.29781489 × 10^6
Prime Factorization
129781489
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
129781489 Product of the distinct prime numbers
The prime factorization of 129781489 is 129781489.
Since it has a total of 1 prime factors.
7 , 8 , 69 , 19 , 938 , 841 , 8075 , 8761 , 85194 , 85402 , 159000 , 634200 , 5772525 , 2230582 , 82555073 , 25455982 , 479617888 , 364439079 , 4272122298 , 8024392248
n×2
259562978
n×3
389344467
n×4
519125956
n×5
648907445
n÷2
64890744.5
n÷3
43260496.333333
n÷3
32445372.25
n÷5
25956297.8
n2
16843234887057121
n3
2.185940103219E+24
n4
2.8369456146058E+32
n5
3.6818302607556E+40
2 √n11392.167879732
3 √n506.29571392306
4 √n106.73409895498
5 √n41.941364019899
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
129781490 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
64890745 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
11392.167923622 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999845895 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129781489 can be divided by 2 positive divisors.
The sum of these divisors (counting 129781489) is 129781490, the average is 64890745.
Base
System
Value
2
Binary
111101111000100111011110001
3
Ternary
100001012120201211
4
Quaternary
13233010323301
5
Quinary
231211001424
6
Senary
20513400121
8
Octal
757047361
10
Decimal
129781489
12
Duodecimal
37569041
16
Hexadecimal
7bc4ef1
20
Vigesimal
20b2de9
36
Base36
259o1d
md5
c56426880ae91bca7e5e945479431f72
sha1
29056b01bf3f7ac870d6a771a077e4936315b939
sha256
a5ab29939bb57fc18d76d079d4cd7ed663a25fbd90f7bffc8995ab421724c11c
sha512
bf9ba8ce3b06d413c837bb469d788891f39464ad469154b4350d6905ce86e7707ac07f64f9fe0a728c4a37fcc67963c251cbb43fe1764407d024da14b2c07c1c
ripemd-160
bf2946fd657f18b3272ad2d4c9653508ad701eb2
Diameter
259562978
Circumference
815441144.82869
Area
5.2914582983866E+16
Volume
9.1564444926136E+24
Surface area
2.1165833193546E+17
Circumference
815441144.82869
Perimeter
519125956
Area
16843234887057121
Diagonal
183538741.88877
Surface area
101059409322342726
Volume
2.185940103219E+24
Space diagonal
224788132.82994
Perimeter
389344467
Area
7.2933346470499E+15
Altitude
112394066.41497
Surface area
7.2933346470499E+15
Volume
2.5761551170897E+23
Height
61179580.629592