129456870 is an even 9-digits composite number following 129456869
and preceding 129456871 . In scientific notation, it is written as 1.29456870 × 10^8.
The sum of its digits is 42. It has a total of 5 prime factors and 32 positive divisors.
There are 31367168 positive integers (up to 129456870) that are relatively prime to 129456870.
129456870 has 32 divisors, whose sum is 311362272
The reverse of 129456870 is 078654921
Previous prime number is 493
Is Prime? no Number parity even Number length 9 Sum of Digits 42 Digital Root 6
Name
one hundred twenty-nine million four hundred fifty-six thousand eight hundred seventy
Scientific notation
1.29456870 × 10^8
Engineering notation
1.29456870 × 10^6
Prime Factorization
2 × 3 × 5 × 493 × 8753
Composite number
ω Distinct Factors
5 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
129456870 Product of the distinct prime numbers
The prime factorization of 129456870 is 2 × 3 × 5 × 493 × 8753.
Since it has a total of 5 prime factors.
5 , 9 , 60 , 75 , 275 , 88 , 6606 , 1801 , 88187 , 54853 , 298723 , 935859 , 2473779 , 7846361 , 35116503 , 84198047 , 450967150 , 777710310 , 1220338627 , 2647107573
n×2
258913740
n×3
388370610
n×4
517827480
n×5
647284350
n÷2
64728435
n÷3
43152290
n÷3
32364217.5
n÷5
25891374
n2
16759081190196900
n3
2.1695781949588E+24
n4
2.8086680233961E+32
n5
3.6360137117795E+40
2 √n11377.911495525
3 √n505.87323346215
4 √n106.66729346677
5 √n41.920361631762
1 , 2 , 3 , 5 , 6 , 10 , 15 , 30 , 493 , 986 , 1479 , 2465 , 2958 , 4930 , 7395 , 8753 , 14790 , 17506 , 26259 , 43765 , 52518 , 87530 , 131295 , 262590 , 4315229 , 8630458 , 12945687 , 21576145 , 25891374 , 43152290 , 64728435 , 129456870
32 divisors
τ Total Divisors
32 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-129456869 Sum of the proper positive divisors of n
A Arithmetic Mean
0.03125 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
32 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129456870 can be divided by 32 positive divisors.
The sum of these divisors (counting 129456870) is 1, the average is 0.03125.
Base
System
Value
2
Binary
111101101110101101011100110
3
Ternary
100000121002102220
4
Quaternary
13231311223212
5
Quinary
231120104440
6
Senary
20502413210
8
Octal
755655346
10
Decimal
129456870
12
Duodecimal
37431206
16
Hexadecimal
7b75ae6
20
Vigesimal
209223a
36
Base36
252pk6
md5
33d38ff256ac50d1963e558f5120785c
sha1
23b3b7bde9bae2d9027d24a5354a08db16c646bf
sha256
4b37554359dbed370294f3efa3f4b7aa22e5af79b66cde7ef2fc1ad846a18e77
sha512
4763514b5830d4b605437abce3b7cdf925c4ac90fe5ba8bde8622dd14e5d2c59fbbf07441234e45e1bbdb1ab4f316b7abf92e88263741fae335256508b480e9e
ripemd-160
fca6318cd032310fae940910261143ad0ba2fcb5
Diameter
258913740
Circumference
813401503.49746
Area
5.2650206348037E+16
Volume
9.0879078915614E+24
Surface area
2.1060082539215E+17
Circumference
813401503.49746
Perimeter
517827480
Area
16759081190196900
Diagonal
183079661.29637
Surface area
100554487141181400
Volume
2.1695781949588E+24
Space diagonal
224225876.22884
Perimeter
388370610
Area
7.2568950273982E+15
Altitude
112112938.11442
Surface area
7.2568950273982E+15
Volume
2.556872423283E+23
Height
61026553.765457