129251018 is an even 9-digits composite number following 129251017
and preceding 129251019 . In scientific notation, it is written as 1.29251018 × 10^8.
The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors.
There are 59654304 positive integers (up to 129251018) that are relatively prime to 129251018.
129251018 has 8 divisors, whose sum is 208790148
The reverse of 129251018 is 810152921
Previous prime number is 13
Is Prime? no
Number parity even
Number length 9
Sum of Digits 29
Digital Root 2
Name
one hundred twenty-nine million two hundred fifty-one thousand eighteen
Scientific notation
1.29251018 × 10^8
Engineering notation
1.29251018 × 10^6
Prime Factorization
2 × 13 × 4971193
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
129251018
Product of the distinct prime numbers
The prime factorization of 129251018 is 2 × 13 × 4971193.
Since it has a total of 3 prime factors.
7 , 9 , 92 , 14 , 401 , 831 , 5156 , 1821 , 86837 , 42608 , 793801 , 65039 , 5255975 , 9974053 , 52064678 , 8640801 , 807017116 , 774470075 , 1861244559 , 7611449012
n×2
258502036
n×3
387753054
n×4
517004072
n×5
646255090
n÷2
64625509
n÷3
43083672.666667
n÷3
32312754.5
n÷5
25850203.6
n2
16705825654036324
n3
2.1592449723147E+24
n4
2.7908461078306E+32
n5
3.6071970051844E+40
2 √n
11368.861772403
3 √n
505.60495811196
4 √n
106.62486470051
5 √n
41.907021460271
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129251017
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129251018 can be divided by 8 positive divisors.
The sum of these divisors (counting 129251018) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101101000011011011001010
3
Ternary
100000012122001202
4
Quaternary
13231003123022
5
Quinary
231042013033
6
Senary
20454144202
8
Octal
755033312
10
Decimal
129251018
12
Duodecimal
37352062
16
Hexadecimal
7b436ca
20
Vigesimal
207g7ai
36
Base36
24yaq2
md5
92427834700fe986a34f30016e3e328b
sha1
ef2747e9e3a16d875a70d3190fd7525ade513aca
sha256
fb0c0eba32ba8024f8a8c2cf20058ae966bfd9e8f9781a65f832b002a0de7480
sha512
6ee29eed42eb0c1311379549d6aeb858a46c5ce49b1e110351484b511edbca563b7f291b1fa6533a7e1db7205fd79316442ba4c170a6c97b9fed0433bb390eb5
ripemd-160
da08c250fe379e4a01a0bd5c94df5d7c1591b693
Diameter
258502036
Circumference
812108097.2356
Area
5.2482899146872E+16
Volume
9.0446241897661E+24
Surface area
2.0993159658749E+17
Circumference
812108097.2356
Perimeter
517004072
Area
16705825654036324
Diagonal
182788542.60613
Surface area
100234953924217944
Volume
2.1592449723147E+24
Space diagonal
223869330.106
Perimeter
387753054
Area
7.2338347037946E+15
Altitude
111934665.053
Surface area
7.2338347037946E+15
Volume
2.5446946036112E+23
Height
60929514.202043