129287788 is an even 9-digits composite number following 129287787
and preceding 129287789 . In scientific notation, it is written as 1.29287788 × 10^8.
The sum of its digits is 52. It has a total of 5 prime factors and 24 positive divisors.
There are 51031296 positive integers (up to 129287788) that are relatively prime to 129287788.
129287788 has 24 divisors, whose sum is 233049600
The reverse of 129287788 is 887782921
Previous prime number is 47
Is Prime? no
Number parity even
Number length 9
Sum of Digits 52
Digital Root 7
Name
one hundred twenty-nine million two hundred eighty-seven thousand seven hundred eighty-eight
Scientific notation
1.29287788 × 10^8
Engineering notation
1.29287788 × 10^6
Prime Factorization
2 × 2 × 119 × 47 × 5779
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
64643894
Product of the distinct prime numbers
The prime factorization of 129287788 is 2 × 2 × 119 × 47 × 5779.
Since it has a total of 5 prime factors.
2 , 9 , 100 , 50 , 811 , 196 , 926 , 4134 , 54625 , 92989 , 395437 , 588793 , 1201595 , 5370484 , 80698804 , 86636075 , 266859870 , 477781636 , 2931518660 , 4336603625
n×2
258575576
n×3
387863364
n×4
517151152
n×5
646438940
n÷2
64643894
n÷3
43095929.333333
n÷3
32321947
n÷5
25857557.6
n2
16715332125932944
n3
2.1610883162472E+24
n4
2.7940232808025E+32
n5
3.6123308959545E+40
2 √n
11370.478793789
3 √n
505.65289927305
4 √n
106.63244719028
5 √n
41.909405574354
1 , 2 , 4 , 47 , 94 , 119 , 188 , 238 , 476 , 5593 , 5779 , 11186 , 11558 , 22372 , 23116 , 271613 , 543226 , 687701 , 1086452 , 1375402 , 2750804 , 32321947 , 64643894 , 129287788
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129287787
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129287788 can be divided by 24 positive divisors.
The sum of these divisors (counting 129287788) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
111101101001100011001101100
3
Ternary
100000021111111121
4
Quaternary
13231030121230
5
Quinary
231044202123
6
Senary
20455030324
8
Octal
755143154
10
Decimal
129287788
12
Duodecimal
3736b3a4
16
Hexadecimal
7b4c66c
20
Vigesimal
2080j98
36
Base36
24z33g
md5
e5f97082fb7d76bc107ae90cff358fdf
sha1
10ac0f6cb79846cebb6890a4e86abb73bca15519
sha256
b4248b1bd56f1552f049fcd0a51666dac7532eb1d0d050c47487d943191e752b
sha512
e92cdd1bf5be770424822d4c68abdf8fceaed3b4a674d4c09c19c8ddeb936fc6151759a1ab058217659d67aa3e7a391fe1837a01105541b0958aaf9d706d09a1
ripemd-160
124f0db83f12ee73e72da21071f2eeebb61b354f
Diameter
258575576
Circumference
812339129.95935
Area
5.2512764609144E+16
Volume
9.0523455707746E+24
Surface area
2.1005105843658E+17
Circumference
812339129.95935
Perimeter
517151152
Area
16715332125932944
Diagonal
182840543.23882
Surface area
100291992755597664
Volume
2.1610883162472E+24
Space diagonal
223933017.61419
Perimeter
387863364
Area
7.237951126876E+15
Altitude
111966508.8071
Surface area
7.237951126876E+15
Volume
2.546867005269E+23
Height
60946847.746273