129387628 is an even 9-digits composite number following 129387627
and preceding 129387629 . In scientific notation, it is written as 1.29387628 × 10^8.
The sum of its digits is 46. It has a total of 5 prime factors and 24 positive divisors.
There are 63226176 positive integers (up to 129387628) that are relatively prime to 129387628.
129387628 has 24 divisors, whose sum is 231599088
The reverse of 129387628 is 826783921
Previous prime number is 293
Is Prime? no Number parity even Number length 9 Sum of Digits 46 Digital Root 1
Name
one hundred twenty-nine million three hundred eighty-seven thousand six hundred twenty-eight
Scientific notation
1.29387628 × 10^8
Engineering notation
1.29387628 × 10^6
Prime Factorization
2 × 2 × 53 × 293 × 2083
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
64693814 Product of the distinct prime numbers
The prime factorization of 129387628 is 2 × 2 × 53 × 293 × 2083.
Since it has a total of 5 prime factors.
1 , 3 , 69 , 33 , 215 , 93 , 2640 , 1416 , 78599 , 19530 , 236558 , 553399 , 9569598 , 4736894 , 75635682 , 79968455 , 958094181 , 508718384 , 4337784338 , 9642372580
n×2
258775256
n×3
388162884
n×4
517550512
n×5
646938140
n÷2
64693814
n÷3
43129209.333333
n÷3
32346907
n÷5
25877525.6
n2
16741158279466384
n3
2.1660987597527E+24
n4
2.8026638053815E+32
n5
3.6263002185976E+40
2 √n11374.868262973
3 √n505.7830260149
4 √n106.65302744401
5 √n41.915876321882
1 , 2 , 4 , 53 , 106 , 212 , 293 , 586 , 1172 , 2083 , 4166 , 8332 , 15529 , 31058 , 62116 , 110399 , 220798 , 441596 , 610319 , 1220638 , 2441276 , 32346907 , 64693814 , 129387628
24 divisors
τ Total Divisors
24 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-129387627 Sum of the proper positive divisors of n
A Arithmetic Mean
0.041666666666667 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
24 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129387628 can be divided by 24 positive divisors.
The sum of these divisors (counting 129387628) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
111101101100100110001101100
3
Ternary
100000110120110101
4
Quaternary
13231210301230
5
Quinary
231110401003
6
Senary
20501120444
8
Octal
755446154
10
Decimal
129387628
12
Duodecimal
373b9124
16
Hexadecimal
7b64c6c
20
Vigesimal
208d918
36
Base36
25184s
md5
b7c0a4ab6402ecf5256e8053928c3c4c
sha1
9586ce739fbf03e68f9467333e1bbd97651b471e
sha256
6dd6b04b9aa4621c023bb1b10bb13a0c0b3ab123be3a837477a1ec50b4dcd081
sha512
d389746124b4ab5adade7ce90ba0b702649fe345c9eafd3e90af641f7aeee2e42cee8caf7b48d8c3555dc47f007ee0f1d0897ddbd480fc1b9c91b5f7f7ef28fd
ripemd-160
d52bf67d50e34d4b7770b4f8e4db401192301f97
Diameter
258775256
Circumference
812966443.18042
Area
5.2593899863356E+16
Volume
9.0733332674521E+24
Surface area
2.1037559945342E+17
Circumference
812966443.18042
Perimeter
517550512
Area
16741158279466384
Diagonal
182981738.32088
Surface area
100446949676798304
Volume
2.1660987597527E+24
Space diagonal
224105945.56682
Perimeter
388162884
Area
7.249134179397E+15
Altitude
112052972.78341
Surface area
7.249134179397E+15
Volume
2.5527718695682E+23
Height
60993912.773628