129869845 is an odd 9-digits composite number following 129869844
and preceding 129869846 . In scientific notation, it is written as 1.29869845 × 10^8.
The sum of its digits is 52. It has a total of 4 prime factors and 16 positive divisors.
There are 80631936 positive integers (up to 129869845) that are relatively prime to 129869845.
129869845 has 16 divisors, whose sum is 143349120
The reverse of 129869845 is 548968921
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 52
Digital Root 7
Name
one hundred twenty-nine million eight hundred sixty-nine thousand eight hundred forty-five
Scientific notation
1.29869845 × 10^8
Engineering notation
1.29869845 × 10^6
Prime Factorization
245 × 23 × 19 × 1213
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
129869845
Product of the distinct prime numbers
The prime factorization of 129869845 is 245 × 23 × 19 × 1213.
Since it has a total of 4 prime factors.
8 , 3 , 18 , 70 , 163 , 171 , 5378 , 5588 , 42425 , 37436 , 982470 , 961086 , 8502520 , 7369584 , 28273574 , 20579183 , 127560398 , 398239789 , 2673429453 , 2338167953
n×2
259739690
n×3
389609535
n×4
519479380
n×5
649349225
n÷2
64934922.5
n÷3
43289948.333333
n÷3
32467461.25
n÷5
25973969
n2
16866176640324025
n3
2.1904077460215E+24
n4
2.8446791446261E+32
n5
3.6943803958733E+40
2 √n
11396.045147331
3 √n
506.41058422415
4 √n
106.7522606193
5 √n
41.947073250754
1 , 19 , 23 , 245 , 437 , 1213 , 4655 , 5635 , 23047 , 27899 , 107065 , 297185 , 530081 , 5646515 , 6835255 , 129869845
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
-129869844
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 129869845 can be divided by 16 positive divisors.
The sum of these divisors (counting 129869845) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101111011010100000010101
3
Ternary
100001101001221021
4
Quaternary
13233122200111
5
Quinary
231221313340
6
Senary
20515321141
8
Octal
757324025
10
Decimal
129869845
12
Duodecimal
375b01b1
16
Hexadecimal
7bda815
20
Vigesimal
20bdec5
36
Base36
25bk7p
md5
ce721e6f54bf62307066d5a28470eb69
sha1
2d46fd94d0a7e0d2ecc8bb1ea49d12acd7216c99
sha256
f2bfbe176c73562c3a526e5ab91f1b785740070474322716b86c5c317e5d9ccf
sha512
da80753378ab10665ae0b3d5bff812f390763d864fa7a16e76ff363629f607ad87aed6f9cb1bc766dd3370561645059255fab7acb5e0f0a8ec76362865312af0
ripemd-160
8c0afb17c973f88a89903c87b44190983f358456
Diameter
259739690
Circumference
815996301.94969
Area
5.298665662739E+16
Volume
9.1751585110231E+24
Surface area
2.1194662650956E+17
Circumference
815996301.94969
Perimeter
519479380
Area
16866176640324025
Diagonal
183663696.14229
Surface area
101197059841944150
Volume
2.1904077460215E+24
Space diagonal
224941169.91109
Perimeter
389609535
Area
7.3032687176181E+15
Altitude
112470584.95555
Surface area
7.3032687176181E+15
Volume
2.5814202846256E+23
Height
61221232.047431