129287771 is an odd 9-digits composite number following 129287770
and preceding 129287772 . In scientific notation, it is written as 1.29287771 × 10^8.
The sum of its digits is 44. It has a total of 4 prime factors and 12 positive divisors.
There are 117473664 positive integers (up to 129287771) that are relatively prime to 129287771.
129287771 has 12 divisors, whose sum is 141791832
The reverse of 129287771 is 177782921
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 44
Digital Root 8
Name
one hundred twenty-nine million two hundred eighty-seven thousand seven hundred seventy-one
Scientific notation
1.29287771 × 10^8
Engineering notation
1.29287771 × 10^6
Prime Factorization
17 × 29 × 29 × 9043
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
4458199
Product of the distinct prime numbers
The prime factorization of 129287771 is 17 × 29 × 29 × 9043.
Since it has a total of 4 prime factors.
4 , 4 , 53 , 92 , 637 , 274 , 4598 , 5931 , 95296 , 52365 , 779150 , 853217 , 141315 , 541488 , 10695972 , 9243095 , 321487437 , 611251747 , 9812631102 , 597556247
n×2
258575542
n×3
387863313
n×4
517151084
n×5
646438855
n÷2
64643885.5
n÷3
43095923.666667
n÷3
32321942.75
n÷5
25857554.2
n2
16715327730148441
n3
2.1610874637654E+24
n4
2.7940218112627E+32
n5
3.6123285210354E+40
2 √n
11370.478046239
3 √n
505.65287711035
4 √n
106.63244368502
5 √n
41.909404472223
1 , 17 , 29 , 493 , 841 , 9043 , 14297 , 153731 , 262247 , 4458199 , 7605163 , 129287771
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129287770
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129287771 can be divided by 12 positive divisors.
The sum of these divisors (counting 129287771) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111101101001100011001011011
3
Ternary
100000021111110222
4
Quaternary
13231030121123
5
Quinary
231044202041
6
Senary
20455030255
8
Octal
755143133
10
Decimal
129287771
12
Duodecimal
3736b38b
16
Hexadecimal
7b4c65b
20
Vigesimal
2080j8b
36
Base36
24z32z
md5
34dc442a3c67512dda2c30244447b046
sha1
7d5df53b417bc0739ed7353c0eb06a4f81b87753
sha256
73907251bb1002a8814df7824255f817fb087ec66e88abfd5b716775f23c161f
sha512
9aa2203a0aee7acd81c2ab1a5d0616460e8455cce2a55a07dce8d074124b5b1e0ca48fae13ab4cfbf89f36287308b6981b9269e24696c7d5881c4eade470b872
ripemd-160
cdf9596d2292cdf4a1ac48ddfbdcc10ccc839c32
Diameter
258575542
Circumference
812339023.1452
Area
5.251275079938E+16
Volume
9.0523419999071E+24
Surface area
2.1005100319752E+17
Circumference
812339023.1452
Perimeter
517151084
Area
16715327730148441
Diagonal
182840519.19719
Surface area
100291966380890646
Volume
2.1610874637654E+24
Space diagonal
223932988.16933
Perimeter
387863313
Area
7.2379492234455E+15
Altitude
111966494.08467
Surface area
7.2379492234455E+15
Volume
2.5468660006096E+23
Height
60946839.732396