129440902 is an even 9-digits composite number following 129440901
and preceding 129440903 . In scientific notation, it is written as 1.29440902 × 10^8.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 63659400 positive integers (up to 129440902) that are relatively prime to 129440902.
129440902 has 8 divisors, whose sum is 197344512
The reverse of 129440902 is 209044921
Previous prime number is 61
Is Prime? no
Number parity even
Number length 9
Sum of Digits 31
Digital Root 4
Name
one hundred twenty-nine million four hundred forty thousand nine hundred two
Scientific notation
1.29440902 × 10^8
Engineering notation
1.29440902 × 10^6
Prime Factorization
2 × 61 × 1060991
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
129440902
Product of the distinct prime numbers
The prime factorization of 129440902 is 2 × 61 × 1060991.
Since it has a total of 3 prime factors.
2 , 5 , 28 , 2 , 971 , 209 , 9916 , 1706 , 54719 , 68354 , 492556 , 257003 , 8831992 , 4951991 , 50049326 , 38103679 , 999851006 , 731625615 , 9549913031 , 2882925873
n×2
258881804
n×3
388322706
n×4
517763608
n×5
647204510
n÷2
64720451
n÷3
43146967.333333
n÷3
32360225.5
n÷5
25888180.4
n2
16754947110573604
n3
2.1687754669549E+24
n4
2.8072825267812E+32
n5
3.633771824354E+40
2 √n
11377.209763382
3 √n
505.85243344349
4 √n
106.66400406596
5 √n
41.919327438114
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
-129440901
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 129440902 can be divided by 8 positive divisors.
The sum of these divisors (counting 129440902) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101101110001110010000110
3
Ternary
100000120021112111
4
Quaternary
13231301302012
5
Quinary
231114102102
6
Senary
20502211234
8
Octal
755616206
10
Decimal
129440902
12
Duodecimal
37423b1a
16
Hexadecimal
7b71c86
20
Vigesimal
2090252
36
Base36
252d8m
md5
391abf134049448eb8966c2bc68442bf
sha1
2516d976b9be5752abbf30bcd7c19cdb4b908709
sha256
85628120229fb8a7f39e8819f2aacd839ae64fb6db3aa5de24981e78b1ad4d68
sha512
8231e1ec5f56128b72f69300f083d8421ab1e068165ea4fc993a5ac2b6519f99f59d5bad5b5efb29e26a29b22729fc24d3ef4f179b182f0b0bcdcdd9f29ec11a
ripemd-160
8d1b83d7dc8ba23f62d8f03bd2ba8bfb081bc5fe
Diameter
258881804
Circumference
813301173.59447
Area
5.2637218753864E+16
Volume
9.0845454323619E+24
Surface area
2.1054887501545E+17
Circumference
813301173.59447
Perimeter
517763608
Area
16754947110573604
Diagonal
183057079.13421
Surface area
100529682663441624
Volume
2.1687754669549E+24
Space diagonal
224198218.84154
Perimeter
388322706
Area
7.2551049184107E+15
Altitude
112099109.42077
Surface area
7.2551049184107E+15
Volume
2.5559263992581E+23
Height
61019026.378069