129640949 is an odd 9-digits composite number following 129640948
and preceding 129640950 . In scientific notation, it is written as 1.29640949 × 10^8.
The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors.
There are 123886576 positive integers (up to 129640949) that are relatively prime to 129640949.
129640949 has 8 divisors, whose sum is 135406080
The reverse of 129640949 is 949046921
Previous prime number is 1439
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 44
Digital Root 8
Name
one hundred twenty-nine million six hundred forty thousand nine hundred forty-nine
Scientific notation
1.29640949 × 10^8
Engineering notation
1.29640949 × 10^6
Prime Factorization
23 × 1439 × 3917
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
129640949
Product of the distinct prime numbers
The prime factorization of 129640949 is 23 × 1439 × 3917.
Since it has a total of 3 prime factors.
10 , 9 , 81 , 61 , 807 , 610 , 7681 , 7009 , 20848 , 61114 , 720184 , 399108 , 4434459 , 270286 , 77886142 , 26266450 , 100938019 , 45818944 , 8655745589 , 352442237
n×2
259281898
n×3
388922847
n×4
518563796
n×5
648204745
n÷2
64820474.5
n÷3
43213649.666667
n÷3
32410237.25
n÷5
25928189.8
n2
16806775657620601
n3
2.178846345884E+24
n4
2.8246770800559E+32
n5
3.6619381727699E+40
2 √n
11385.997936062
3 √n
506.11289252562
4 √n
106.70519170154
5 √n
41.932276446265
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
-129640948
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 129640949 can be divided by 8 positive divisors.
The sum of these divisors (counting 129640949) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101110100010100111110101
3
Ternary
100000221102221122
4
Quaternary
13232202213311
5
Quinary
231142002244
6
Senary
20510353325
8
Octal
756424765
10
Decimal
129640949
12
Duodecimal
374bb845
16
Hexadecimal
7ba29f5
20
Vigesimal
20a5279
36
Base36
256nlh
md5
57227df2779f153ed3015ee6b34fceb6
sha1
3d13b69d577437f9a062e83601cbe2f68103d7aa
sha256
78d43871e132eca947d6342f494422b3bdb44654916c587830d72cda77e10bac
sha512
4e5857860bdcbc0f843833039bd5dfd7a07d457fc70cfbc5a138db2adab774fd4753d7bcc292ceab34cd12ba78fc5a756210b2f0612a4968226ff1d60313f3df
ripemd-160
01939eaf0452a637686e6c210facb420b0c1a615
Diameter
259281898
Circumference
814558105.96562
Area
5.2800042936513E+16
Volume
9.1267302313737E+24
Surface area
2.1120017174605E+17
Circumference
814558105.96562
Perimeter
518563796
Area
16806775657620601
Diagonal
183339988.31472
Surface area
100840653945723606
Volume
2.178846345884E+24
Space diagonal
224544710.40945
Perimeter
388922847
Area
7.2775473376027E+15
Altitude
112272355.20472
Surface area
7.2775473376027E+15
Volume
2.5677950438969E+23
Height
61113329.43824