129640245 is an odd 9-digits composite number following 129640244
and preceding 129640246 . In scientific notation, it is written as 1.29640245 × 10^8.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 59016000 positive integers (up to 129640245) that are relatively prime to 129640245.
129640245 has 16 divisors, whose sum is 207584640
The reverse of 129640245 is 542046921
Previous prime number is 3
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 forty-five
Scientific notation
1.29640245 × 10^8
Engineering notation
1.29640245 × 10^6
Prime Factorization
5 × 1757 × 3 × 4919
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
129640245
Product of the distinct prime numbers
The prime factorization of 129640245 is 5 × 1757 × 3 × 4919.
Since it has a total of 4 prime factors.
10 , 4 , 63 , 92 , 477 , 373 , 3812 , 1678 , 73784 , 45097 , 482857 , 837692 , 148245 , 2570085 , 8847993 , 62590348 , 106755911 , 975592163 , 920821355 , 8439025244
n×2
259280490
n×3
388920735
n×4
518560980
n×5
648201225
n÷2
64820122.5
n÷3
43213415
n÷3
32410061.25
n÷5
25928049
n2
16806593123660025
n3
2.1788108501666E+24
n4
2.8246157242426E+32
n5
3.6618387452166E+40
2 √n
11385.967020855
3 √n
506.11197639502
4 √n
106.70504683873
5 √n
41.932230904502
1 , 3 , 5 , 15 , 1757 , 4919 , 5271 , 8785 , 14757 , 24595 , 26355 , 73785 , 8642683 , 25928049 , 43213415 , 129640245
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129640244
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129640245 can be divided by 16 positive divisors.
The sum of these divisors (counting 129640245) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101110100010011100110101
3
Ternary
100000221101222120
4
Quaternary
13232202130311
5
Quinary
231141441440
6
Senary
20510350153
8
Octal
756423465
10
Decimal
129640245
12
Duodecimal
374bb359
16
Hexadecimal
7ba2735
20
Vigesimal
20a50c5
36
Base36
256n1x
md5
5a134ee7eddc2262c6f0e0a775227395
sha1
06be84ff76ff18e8f1f4d4ae4e989ea2435845dc
sha256
2f41224a778b368a7ec3598da60eefb27902125a4ce26c031d15b0017a4001f7
sha512
1a0bd9bf3a9c4fe85e8270328d01f26dd2ce879b960f1e4445b5d7bba598c438161906a6e1efcc036a177226e498d4c625047f283ba78250ba53d2c9e3a77ad6
ripemd-160
cfb7d0c4bdb3472de62037cd9ebd368498c22b4f
Diameter
259280490
Circumference
814553682.60316
Area
5.2799469489163E+16
Volume
9.1265815472602E+24
Surface area
2.1119787795665E+17
Circumference
814553682.60316
Perimeter
518560980
Area
16806593123660025
Diagonal
183338992.70837
Surface area
100839558741960150
Volume
2.1788108501666E+24
Space diagonal
224543491.04568
Perimeter
388920735
Area
7.2774682980792E+15
Altitude
112271745.52284
Surface area
7.2774682980792E+15
Volume
2.5677532117927E+23
Height
61112997.569457