129442907 is an odd 9-digits composite number following 129442906
and preceding 129442908 . In scientific notation, it is written as 1.29442907 × 10^8.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 115454560 positive integers (up to 129442907) that are relatively prime to 129442907.
129442907 has 8 divisors, whose sum is 143875440
The reverse of 129442907 is 709244921
Previous prime number is 53
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 38
Digital Root 2
Name
one hundred twenty-nine million four hundred forty-two thousand nine hundred seven
Scientific notation
1.29442907 × 10^8
Engineering notation
1.29442907 × 10^6
Prime Factorization
11 × 53 × 222029
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
129442907
Product of the distinct prime numbers
The prime factorization of 129442907 is 11 × 53 × 222029.
Since it has a total of 3 prime factors.
10 , 9 , 20 , 62 , 870 , 331 , 5073 , 5598 , 56685 , 22682 , 87253 , 546325 , 232357 , 6658609 , 36053002 , 8212117 , 97303792 , 800203296 , 5879724695 , 7412922130
n×2
258885814
n×3
388328721
n×4
517771628
n×5
647214535
n÷2
64721453.5
n÷3
43147635.666667
n÷3
32360726.75
n÷5
25888581.4
n2
16755466172610649
n3
2.1688762495229E+24
n4
2.807456466615E+32
n5
3.6340532631459E+40
2 √n
11377.297877792
3 √n
505.85504526319
4 √n
106.66441711176
5 √n
41.919457300823
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
-129442906
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 129442907 can be divided by 8 positive divisors.
The sum of these divisors (counting 129442907) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101101110010010001011011
3
Ternary
100000120101021202
4
Quaternary
13231302101123
5
Quinary
231114133112
6
Senary
20502224415
8
Octal
755622133
10
Decimal
129442907
12
Duodecimal
3742510b
16
Hexadecimal
7b7245b
20
Vigesimal
2090757
36
Base36
252esb
md5
aa7e38a64a0d8f66c0b0befb75ff8486
sha1
46f23f34d63f0006a14b1ea9da754efaa8f5e39a
sha256
77905f092ff5273d311c5cc81802e56b35d4e02fb73c94752ece8a9277d5241a
sha512
a8672f8734ddcfbaa2f61101bbde865b1a215aa359c7b531548ed6f03f58df915686b966f2cf807fcef821646e85081cd54dd8be6611539fbc946bc38cb9f8e8
ripemd-160
165691c47c53cce937ccef3a145cfa84bdf7b3bd
Diameter
258885814
Circumference
813313771.38101
Area
5.2638849435346E+16
Volume
9.0849675893953E+24
Surface area
2.1055539774138E+17
Circumference
813313771.38101
Perimeter
517771628
Area
16755466172610649
Diagonal
183059914.6324
Surface area
100532797035663894
Volume
2.1688762495229E+24
Space diagonal
224201691.60341
Perimeter
388328721
Area
7.2553296788658E+15
Altitude
112100845.80171
Surface area
7.2553296788658E+15
Volume
2.5560451726535E+23
Height
61019971.544133