129640246 is an even 9-digits composite number following 129640245
and preceding 129640247 . In scientific notation, it is written as 1.29640246 × 10^8.
The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors.
There are 64578888 positive integers (up to 129640246) that are relatively prime to 129640246.
129640246 has 8 divisors, whose sum is 195184080
The reverse of 129640246 is 642046921
Previous prime number is 269
Is Prime? no
Number parity even
Number length 9
Sum of Digits 34
Digital Root 7
Name
one hundred twenty-nine million six hundred forty thousand two hundred forty-six
Scientific notation
1.29640246 × 10^8
Engineering notation
1.29640246 × 10^6
Prime Factorization
2 × 269 × 240967
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
129640246
Product of the distinct prime numbers
The prime factorization of 129640246 is 2 × 269 × 240967.
Since it has a total of 3 prime factors.
3 , 3 , 39 , 6 , 762 , 516 , 3095 , 3178 , 96590 , 95360 , 568239 , 861813 , 6356213 , 1278494 , 99431728 , 6224919 , 813817102 , 622479532 , 2530058798 , 6632948932
n×2
259280492
n×3
388920738
n×4
518560984
n×5
648201230
n÷2
64820123
n÷3
43213415.333333
n÷3
32410061.5
n÷5
25928049.2
n2
16806593382940516
n3
2.1788109005864E+24
n4
2.824615811395E+32
n5
3.6618388864474E+40
2 √n
11385.967064769
3 √n
506.11197769635
4 √n
106.7050470445
5 √n
41.932230969193
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
-129640245
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 129640246 can be divided by 8 positive divisors.
The sum of these divisors (counting 129640246) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101110100010011100110110
3
Ternary
100000221101222121
4
Quaternary
13232202130312
5
Quinary
231141441441
6
Senary
20510350154
8
Octal
756423466
10
Decimal
129640246
12
Duodecimal
374bb35a
16
Hexadecimal
7ba2736
20
Vigesimal
20a50c6
36
Base36
256n1y
md5
03052016f80cd02bdaf4e9f560365523
sha1
62c2627be723ba1935b5767a6970984ae7cad93b
sha256
029045527ae11b9ce6e40f4571e6827067165864c987479b29b338c666c7e70f
sha512
6c16dc87f93d30ff0a4b306b56131e5ac3f07f96cc1cc3f928686ed6b3f1e6b836b5872d1780bfa37440019be713e93391cdd0ccd925aa833157e93ae121fdcc
ripemd-160
da9b895d53969d66d57edbc39d689f29c01eb4ba
Diameter
259280492
Circumference
814553688.88635
Area
5.2799470303717E+16
Volume
9.126581758458E+24
Surface area
2.1119788121487E+17
Circumference
814553688.88635
Perimeter
518560984
Area
16806593382940516
Diagonal
183338994.12258
Surface area
100839560297643096
Volume
2.1788109005864E+24
Space diagonal
224543492.77773
Perimeter
388920738
Area
7.277468410351E+15
Altitude
112271746.38886
Surface area
7.277468410351E+15
Volume
2.567753271213E+23
Height
61112998.040861