129208540 is an even 9-digits composite number following 129208539
and preceding 129208541 . In scientific notation, it is written as 1.29208540 × 10^8.
The sum of its digits is 31. It has a total of 5 prime factors and 24 positive divisors.
There are 50974848 positive integers (up to 129208540) that are relatively prime to 129208540.
129208540 has 24 divisors, whose sum is 275058000
The reverse of 129208540 is 045802921
Previous prime number is 73
Is Prime? no Number parity even Number length 9 Sum of Digits 31 Digital Root 4
Name
one hundred twenty-nine million two hundred eight thousand five hundred forty
Scientific notation
1.29208540 × 10^8
Engineering notation
1.29208540 × 10^6
Prime Factorization
2 × 2 × 5 × 73 × 88499
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
64604270 Product of the distinct prime numbers
The prime factorization of 129208540 is 2 × 2 × 5 × 73 × 88499.
Since it has a total of 5 prime factors.
3 , 9 , 10 , 79 , 698 , 236 , 6037 , 9772 , 29341 , 67027 , 432009 , 427740 , 7253557 , 5397174 , 43615826 , 40205348 , 812267180 , 127103683 , 5178104002 , 4435706997
n×2
258417080
n×3
387625620
n×4
516834160
n×5
646042700
n÷2
64604270
n÷3
43069513.333333
n÷3
32302135
n÷5
25841708
n2
16694846808931600
n3
2.1571167817057E+24
n4
2.7871790997369E+32
n5
3.6012734219552E+40
2 √n11366.993445938
3 √n505.54956347248
4 √n106.61610312677
5 √n41.904266572077
1 , 2 , 4 , 5 , 10 , 20 , 73 , 146 , 292 , 365 , 730 , 1460 , 88499 , 176998 , 353996 , 442495 , 884990 , 1769980 , 6460427 , 12920854 , 25841708 , 32302135 , 64604270 , 129208540
24 divisors
τ Total Divisors
24 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-129208539 Sum of the proper positive divisors of n
A Arithmetic Mean
0.041666666666667 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
24 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129208540 can be divided by 24 positive divisors.
The sum of these divisors (counting 129208540) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
111101100111001000011011100
3
Ternary
100000010110210111
4
Quaternary
13230321003130
5
Quinary
231034133130
6
Senary
20453215404
8
Octal
754710334
10
Decimal
129208540
12
Duodecimal
37331564
16
Hexadecimal
7b390dc
20
Vigesimal
207b170
36
Base36
24xdy4
md5
5ce1ce022ac61933b99e586cdce8c600
sha1
e4edcd352e5768ce1fe7a4e8988d9352fd1ed914
sha256
7cc4ce0417392a0a0a1f3b2ca40e9494c9062444129621ce0d33923e63666f7b
sha512
ea4098c2450aa9092935aae67a1d896fcef8711e7f2c89c4690e10ff78de2b496a04fb508ec920b6d65a2ebba428d20552d306226e34c4e4bd0199cd47ea4725
ripemd-160
d14f9cab6d57be5627295469db23d8b2b5c83d34
Diameter
258417080
Circumference
811841200.09013
Area
5.2448408087747E+16
Volume
9.0357096457892E+24
Surface area
2.0979363235099E+17
Circumference
811841200.09013
Perimeter
516834160
Area
16694846808931600
Diagonal
182728469.64243
Surface area
100169080853589600
Volume
2.1571167817057E+24
Space diagonal
223795756.0518
Perimeter
387625620
Area
7.2290807244122E+15
Altitude
111897878.0259
Surface area
7.2290807244122E+15
Volume
2.5421865069257E+23
Height
60909489.880809