129640247 is an odd 9-digits composite number following 129640246
and preceding 129640248 . In scientific notation, it is written as 1.29640247 × 10^8.
The sum of its digits is 35. It has a total of 3 prime factors and 6 positive divisors.
There are 117854660 positive integers (up to 129640247) that are relatively prime to 129640247.
129640247 has 6 divisors, whose sum is 142497264
The reverse of 129640247 is 742046921
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 35
Digital Root 8
Name
one hundred twenty-nine million six hundred forty thousand two hundred forty-seven
Scientific notation
1.29640247 × 10^8
Engineering notation
1.29640247 × 10^6
Prime Factorization
11 × 11 × 1071407
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
11785477
Product of the distinct prime numbers
The prime factorization of 129640247 is 11 × 11 × 1071407.
Since it has a total of 3 prime factors.
7 , 6 , 1 , 12 , 452 , 235 , 9653 , 4425 , 69486 , 95405 , 84389 , 95138 , 9783070 , 1052920 , 15213311 , 14419181 , 560785137 , 482556844 , 7524707912 , 3525083440
n×2
259280494
n×3
388920741
n×4
518560988
n×5
648201235
n÷2
64820123.5
n÷3
43213415.666667
n÷3
32410061.75
n÷5
25928049.4
n2
16806593642221009
n3
2.1788109510062E+24
n4
2.8246158985474E+32
n5
3.6618390276782E+40
2 √n
11385.967108683
3 √n
506.11197899767
4 √n
106.70504725027
5 √n
41.932231033883
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129640246
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129640247 can be divided by 6 positive divisors.
The sum of these divisors (counting 129640247) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
111101110100010011100110111
3
Ternary
100000221101222122
4
Quaternary
13232202130313
5
Quinary
231141441442
6
Senary
20510350155
8
Octal
756423467
10
Decimal
129640247
12
Duodecimal
374bb35b
16
Hexadecimal
7ba2737
20
Vigesimal
20a50c7
36
Base36
256n1z
md5
5fd72712cb689cc4b875c6ed43a20809
sha1
6436184231f3432822e2b842b36703422b86ffe2
sha256
055bceb43e30b927507af464a44018da6051acfa7659f1a9a9ad3e92a77eb357
sha512
20ab30ca7fc0fb8bbca30ff16f0ce6aa6e7dceb61dc0407897ed336f21879592bb96a8163e21a7f3053811fee6b92e14c5c601dcd9ac9723536105c0bd05c933
ripemd-160
16b2ec38b477ac89023c0b2e64de04e23d571635
Diameter
259280494
Circumference
814553695.16953
Area
5.279947111827E+16
Volume
9.1265819696559E+24
Surface area
2.1119788447308E+17
Circumference
814553695.16953
Perimeter
518560988
Area
16806593642221009
Diagonal
183338995.5368
Surface area
100839561853326054
Volume
2.1788109510062E+24
Space diagonal
224543494.50978
Perimeter
388920741
Area
7.2774685226227E+15
Altitude
112271747.25489
Surface area
7.2774685226227E+15
Volume
2.5677533306333E+23
Height
61112998.512266