129191531 is an odd 9-digits composite number following 129191530
and preceding 129191532 . In scientific notation, it is written as 1.29191531 × 10^8.
The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors.
There are 106251264 positive integers (up to 129191531) that are relatively prime to 129191531.
129191531 has 16 divisors, whose sum is 153737664
The reverse of 129191531 is 135191921
Previous prime number is 73
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 32
Digital Root 5
Name
one hundred twenty-nine million one hundred ninety-one thousand five hundred thirty-one
Scientific notation
1.29191531 × 10^8
Engineering notation
1.29191531 × 10^6
Prime Factorization
7 × 37 × 73 × 6833
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
129191531
Product of the distinct prime numbers
The prime factorization of 129191531 is 7 × 37 × 73 × 6833.
Since it has a total of 4 prime factors.
3 , 3 , 66 , 99 , 549 , 629 , 3830 , 2037 , 18513 , 17647 , 92600 , 104550 , 6271084 , 8335459 , 70702288 , 88438764 , 142750519 , 796439516 , 3189986829 , 3733728683
n×2
258383062
n×3
387574593
n×4
516766124
n×5
645957655
n÷2
64595765.5
n÷3
43063843.666667
n÷3
32297882.75
n÷5
25838306.2
n2
16690451682123961
n3
2.1562650058951E+24
n4
2.7857117735331E+32
n5
3.5989036894747E+40
2 √n
11366.245246342
3 √n
505.52737900007
4 √n
106.61259422011
5 √n
41.903163259241
1 , 7 , 37 , 73 , 259 , 511 , 2701 , 6833 , 18907 , 47831 , 252821 , 498809 , 1769747 , 3491663 , 18455933 , 129191531
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129191530
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129191531 can be divided by 16 positive divisors.
The sum of these divisors (counting 129191531) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101100110100111001101011
3
Ternary
100000002121110112
4
Quaternary
13230310321223
5
Quinary
231033112111
6
Senary
20453004535
8
Octal
754647153
10
Decimal
129191531
12
Duodecimal
3732374b
16
Hexadecimal
7b34e6b
20
Vigesimal
2078igb
36
Base36
24x0tn
md5
1285bd0e105025baa457b2f26ba3209f
sha1
af3056f6aae84a7e53c5f309e42e31a01ed96a02
sha256
cbbefda60b2e48f7341c313a08a9187dbf0fa1c8f3c0bd148e6b15f0a2595308
sha512
a98f384078523a31ca0b3963138badc1078fb2db9e5deaa43b496a530ea2951b5496c266554874325a927d494b0ca2b20e3c91f237924b0c70863a4a5bb6a079
ripemd-160
418a407b022fc04a95e505e00ffedb1ad1852eff
Diameter
258383062
Circumference
811734329.39124
Area
5.2434600389656E+16
Volume
9.0321417356171E+24
Surface area
2.0973840155862E+17
Circumference
811734329.39124
Perimeter
516766124
Area
16690451682123961
Diagonal
182704415.28394
Surface area
100142710092743766
Volume
2.1562650058951E+24
Space diagonal
223766295.59961
Perimeter
387574593
Area
7.227177578678E+15
Altitude
111883147.7998
Surface area
7.227177578678E+15
Volume
2.5411826795062E+23
Height
60901471.761315