129568991 is an odd 9-digits composite number following 129568990
and preceding 129568992 . In scientific notation, it is written as 1.29568991 × 10^8.
The sum of its digits is 50. It has a total of 2 prime factors and 4 positive divisors.
There are 129467184 positive integers (up to 129568991) that are relatively prime to 129568991.
129568991 has 4 divisors, whose sum is 129670800
The reverse of 129568991 is 199865921
Previous prime number is 1289
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 50
Digital Root 5
Name
one hundred twenty-nine million five hundred sixty-eight thousand nine hundred ninety-one
Scientific notation
1.29568991 × 10^8
Engineering notation
1.29568991 × 10^6
Prime Factorization
1289 × 100519
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
129568991
Product of the distinct prime numbers
The prime factorization of 129568991 is 1289 × 100519.
Since it has a total of 2 prime factors.
5 , 5 , 8 , 32 , 466 , 66 , 1223 , 1900 , 71610 , 11323 , 892936 , 242662 , 7072773 , 2155141 , 19220787 , 96784472 , 199693377 , 535148330 , 3662326135 , 4429566208
n×2
259137982
n×3
388706973
n×4
518275964
n×5
647844955
n÷2
64784495.5
n÷3
43189663.666667
n÷3
32392247.75
n÷5
25913798.2
n2
16788123428758081
n3
2.1752202134476E+24
n4
2.8184108825922E+32
n5
3.6517865428089E+40
2 √n
11382.837563631
3 √n
506.01923484505
4 √n
106.69038177657
5 √n
41.927620459222
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129568990
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129568991 can be divided by 4 positive divisors.
The sum of these divisors (counting 129568991) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101110010001000011011111
3
Ternary
100000210210020112
4
Quaternary
13232101003133
5
Quinary
231132201431
6
Senary
20505040235
8
Octal
756210337
10
Decimal
129568991
12
Duodecimal
3748607b
16
Hexadecimal
7b910df
20
Vigesimal
209g29b
36
Base36
25542n
md5
636c40bf1a4ab6dc09d2b3700b51504c
sha1
0c5a0e41237309758ef6152eff76cecf890390c0
sha256
74aa06382619fbf20509d5d2b184ef8ec4988a91728f65e8edf55cf8b3281fa0
sha512
b1e5bb4e2a614e628ba716aa2e511e8671c6fa313b517e25c159f0503a347673238812308cb036032ed4470acddec0ef6b5f9467d5869b3a97cfe77d8c0faddc
ripemd-160
3ada8464689371479662e69cbf36363c50494aa9
Diameter
259137982
Circumference
814105980.51728
Area
5.2741445231345E+16
Volume
9.1115411233429E+24
Surface area
2.1096578092538E+17
Circumference
814105980.51728
Perimeter
518275964
Area
16788123428758081
Diagonal
183238224.3352
Surface area
100728740572548486
Volume
2.1752202134476E+24
Space diagonal
224420075.49743
Perimeter
388706973
Area
7.2694706855866E+15
Altitude
112210037.74872
Surface area
7.2694706855866E+15
Volume
2.5635216058381E+23
Height
61079408.111733