129499785 is an odd 9-digits composite number following 129499784
and preceding 129499786 . In scientific notation, it is written as 1.29499785 × 10^8.
The sum of its digits is 54. It has a total of 3 prime factors and 8 positive divisors.
There are 69066528 positive integers (up to 129499785) that are relatively prime to 129499785.
129499785 has 8 divisors, whose sum is 172666440
The reverse of 129499785 is 587994921
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 54
Digital Root 9
Name
one hundred twenty-nine million four hundred ninety-nine thousand seven hundred eighty-five
Scientific notation
1.29499785 × 10^8
Engineering notation
1.29499785 × 10^6
Prime Factorization
9 × 5 × 2877773
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
129499785
Product of the distinct prime numbers
The prime factorization of 129499785 is 9 × 5 × 2877773.
Since it has a total of 3 prime factors.
1 , 7 , 7 , 82 , 802 , 609 , 1905 , 6606 , 48531 , 31677 , 613927 , 709754 , 656654 , 244513 , 17944746 , 30950385 , 11056228 , 114911625 , 8019675805 , 2443455413
n×2
258999570
n×3
388499355
n×4
517999140
n×5
647498925
n÷2
64749892.5
n÷3
43166595
n÷3
32374946.25
n÷5
25899957
n2
16770194315046225
n3
2.1717365582067E+24
n4
2.8123941736441E+32
n5
3.6420444082216E+40
2 √n
11379.797230179
3 √n
505.92912634073
4 √n
106.6761324298
5 √n
41.923140586355
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
-129499784
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 129499785 can be divided by 8 positive divisors.
The sum of these divisors (counting 129499785) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101110000000001010001001
3
Ternary
100000200021022100
4
Quaternary
13232000022021
5
Quinary
231122443120
6
Senary
20503344013
8
Octal
756001211
10
Decimal
129499785
12
Duodecimal
37452009
16
Hexadecimal
7b80289
20
Vigesimal
2097995
36
Base36
253mo9
md5
56eed079c46a4550a75d933a880526eb
sha1
81886b91523777b6dd67de2d537938738f53a252
sha256
a6973bbe62346d61300a345e33136b4e8e3fb3bdf6553116287081fbea2a9391
sha512
236401032f7078383bd9e775b745f3662ad3a5f10dca94e7ab35479e92cf7dbbd25e6182efe6ece036c00019f2e726883b2dfb110365dc00e3133f8bf1f6d078
ripemd-160
599f95e0d5dce1b1dd6eb9995923f28daaba5b3d
Diameter
258999570
Circumference
813671146.39492
Area
5.2685119259423E+16
Volume
9.0969488223928E+24
Surface area
2.1074047703769E+17
Circumference
813671146.39492
Perimeter
517999140
Area
16770194315046225
Diagonal
183140352.2714
Surface area
100621165890277350
Volume
2.1717365582067E+24
Space diagonal
224300207.18925
Perimeter
388499355
Area
7.2617071516157E+15
Altitude
112150103.59462
Surface area
7.2617071516157E+15
Volume
2.5594160787645E+23
Height
61046784.090467