129640209 is an odd 9-digits composite number following 129640208
and preceding 129640210 . In scientific notation, it is written as 1.29640209 × 10^8.
The sum of its digits is 33. It has a total of 2 prime factors and 4 positive divisors.
There are 85535616 positive integers (up to 129640209) that are relatively prime to 129640209.
129640209 has 4 divisors, whose sum is 130086000
The reverse of 129640209 is 902046921
Previous prime number is 291
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 33
Digital Root 6
Name
one hundred twenty-nine million six hundred forty thousand two hundred nine
Scientific notation
1.29640209 × 10^8
Engineering notation
1.29640209 × 10^6
Prime Factorization
291 × 445499
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
129640209
Product of the distinct prime numbers
The prime factorization of 129640209 is 291 × 445499.
Since it has a total of 2 prime factors.
3 , 4 , 15 , 2 , 131 , 685 , 9878 , 2997 , 25719 , 14836 , 382489 , 706797 , 5148633 , 7615894 , 10700234 , 69980355 , 698989948 , 876938906 , 9766021301 , 9142133925
n×2
259280418
n×3
388920627
n×4
518560836
n×5
648201045
n÷2
64820104.5
n÷3
43213403
n÷3
32410052.25
n÷5
25928041.8
n2
16806583789563681
n3
2.178809035055E+24
n4
2.8246125867562E+32
n5
3.6618336609111E+40
2 √n
11385.965439962
3 √n
506.11192954735
4 √n
106.70503943095
5 √n
41.932228575657
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129640208
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129640209 can be divided by 4 positive divisors.
The sum of these divisors (counting 129640209) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101110100010011100010001
3
Ternary
100000221101221020
4
Quaternary
13232202130101
5
Quinary
231141441314
6
Senary
20510350053
8
Octal
756423421
10
Decimal
129640209
12
Duodecimal
374bb329
16
Hexadecimal
7ba2711
20
Vigesimal
20a50a9
36
Base36
256n0x
md5
e6ec4445c309f9f8de25433a5664d8f6
sha1
da000770f2f70ae25feb325bdff1b6f62b34ee89
sha256
52c8053b7a0044ffde81ff571a0334e320eacded71e2a6844d6e316c87588b6f
sha512
0b4e4264dd28fe48f603f0716aeb96b5b1a66b2b112b1383c16bc81c33f12f3fce786c94b24baeafb843f66ce8f637d1c363aa002069cc89937d6b00907e8157
ripemd-160
5dcd707865695b103447c9c62863bde537f5d463
Diameter
259280418
Circumference
814553456.40849
Area
5.2799440165235E+16
Volume
9.1265739441387E+24
Surface area
2.1119776066094E+17
Circumference
814553456.40849
Perimeter
518560836
Area
16806583789563681
Diagonal
183338941.79668
Surface area
100839502737382086
Volume
2.178809035055E+24
Space diagonal
224543428.69185
Perimeter
388920627
Area
7.2774642562969E+15
Altitude
112271714.34592
Surface area
7.2774642562969E+15
Volume
2.5677510726632E+23
Height
61112980.598894