129440915 is an odd 9-digits composite number following 129440914
and preceding 129440916 . In scientific notation, it is written as 1.29440915 × 10^8.
The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors.
There are 103552728 positive integers (up to 129440915) that are relatively prime to 129440915.
129440915 has 4 divisors, whose sum is 155329104
The reverse of 129440915 is 519044921
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 35
Digital Root 8
Name
one hundred twenty-nine million four hundred forty thousand nine hundred fifteen
Scientific notation
1.29440915 × 10^8
Engineering notation
1.29440915 × 10^6
Prime Factorization
5 × 25888183
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
129440915
Product of the distinct prime numbers
The prime factorization of 129440915 is 5 × 25888183.
Since it has a total of 2 prime factors.
5 , 9 , 35 , 80 , 684 , 308 , 7271 , 9982 , 11715 , 86475 , 82591 , 345727 , 7016030 , 9340323 , 411049 , 60832699 , 722034611 , 616704240 , 3317428660 , 4703452218
n×2
258881830
n×3
388322745
n×4
517763660
n×5
647204575
n÷2
64720457.5
n÷3
43146971.666667
n÷3
32360228.75
n÷5
25888183
n2
16754950476037225
n3
2.1687761203979E+24
n4
2.8072836545446E+32
n5
3.633773649088E+40
2 √n
11377.2103347
3 √n
505.85245037807
4 √n
106.66400674407
5 √n
41.919328280122
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
-129440914
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 129440915 can be divided by 4 positive divisors.
The sum of these divisors (counting 129440915) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101101110001110010010011
3
Ternary
100000120021112222
4
Quaternary
13231301302103
5
Quinary
231114102130
6
Senary
20502211255
8
Octal
755616223
10
Decimal
129440915
12
Duodecimal
37423b2b
16
Hexadecimal
7b71c93
20
Vigesimal
209025f
36
Base36
252d8z
md5
eeee013368306844cf9327f139a5a6cc
sha1
ca9113eacb6454da53618583a0ef135ba83f25d2
sha256
2c8bdda2836aee1bd74c95a3fab36c764dc93fdcf76698b56f8497553802acfc
sha512
667f49dc5de094f2f6d10d95def73736b652a25691958e89d4df32dfe99a1cab01eeb89b1828cadf15ea5ed8a1ed4f3822b3a8eb9f1011c5fdbd4cba9b2e0c4b
ripemd-160
fea301e511b669a89745b85c7e686527db48fa9b
Diameter
258881830
Circumference
813301255.27588
Area
5.2637229326779E+16
Volume
9.0845481694975E+24
Surface area
2.1054891730712E+17
Circumference
813301255.27588
Perimeter
517763660
Area
16754950476037225
Diagonal
183057097.51898
Surface area
100529702856223350
Volume
2.1687761203979E+24
Space diagonal
224198241.3582
Perimeter
388322745
Area
7.2551063756992E+15
Altitude
112099120.6791
Surface area
7.2551063756992E+15
Volume
2.5559271693481E+23
Height
61019032.506328