129642791 is an odd 9-digits prime number following 129642790
and preceding 129642792 . In scientific notation, it is written as 1.29642791 × 10^8.
The sum of its digits is 41. It has a total of 1 prime factors and 2 positive divisors.
There are 129642790 positive integers (up to 129642791) that are relatively prime to 129642791.
129642791 has 2 divisors, whose sum is 129642792
The reverse of 129642791 is 197246921
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 9
Sum of Digits 41
Digital Root 5
Name
one hundred twenty-nine million six hundred forty-two thousand seven hundred ninety-one
Scientific notation
1.29642791 × 10^8
Engineering notation
1.29642791 × 10^6
Prime Factorization
129642791
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
129642791
Product of the distinct prime numbers
The prime factorization of 129642791 is 129642791.
Since it has a total of 1 prime factors.
10 , 9 , 44 , 87 , 199 , 888 , 1767 , 3587 , 60170 , 22786 , 960407 , 320866 , 6039600 , 8669357 , 37362343 , 83571742 , 889694576 , 287901735 , 8199357635 , 8072764925
n×2
259285582
n×3
388928373
n×4
518571164
n×5
648213955
n÷2
64821395.5
n÷3
43214263.666667
n÷3
32410697.75
n÷5
25928558.2
n2
16807253258269681
n3
2.1789392214459E+24
n4
2.8248376208762E+32
n5
3.6621983329219E+40
2 √n
11386.0788246
3 √n
506.11528954483
4 √n
106.70557072899
5 √n
41.932395604317
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
129642792
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
64821396
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
11386.078868513
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.999999984573
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129642791 can be divided by 2 positive divisors.
The sum of these divisors (counting 129642791) is 129642792, the average is 64821396.
Base
System
Value
2
Binary
111101110100011000100100111
3
Ternary
100000221112110212
4
Quaternary
13232203010213
5
Quinary
231142032131
6
Senary
20510410035
8
Octal
756430447
10
Decimal
129642791
12
Duodecimal
3750091b
16
Hexadecimal
7ba3127
20
Vigesimal
20a56jb
36
Base36
256p0n
md5
c7497af13e6179e99c03b920c5fea179
sha1
9224d4fcfab31313328deb5425d5443ab38c51d2
sha256
097b2655daba02601049fc12ae82586f3f2b9fc6f4bf07803d127a25922788d3
sha512
b0a0dd110dc831621ba41a911a927332b895a08333d76ef3fcd56f5df231e66bdf9b40d664e1f9f7ff462a15060f48713d42fd560237e09f5ffde562bcd18cdc
ripemd-160
2e2232c32ab59403d96b25562c18f8df33804d42
Diameter
259285582
Circumference
814569679.59295
Area
5.2801543363203E+16
Volume
9.1271192676176E+24
Surface area
2.1120617345281E+17
Circumference
814569679.59295
Perimeter
518571164
Area
16807253258269681
Diagonal
183342593.2961
Surface area
100843519549618086
Volume
2.1789392214459E+24
Space diagonal
224547900.84703
Perimeter
388928373
Area
7.2777541447502E+15
Altitude
112273950.42352
Surface area
7.2777541447502E+15
Volume
2.5679044987963E+23
Height
61114197.765367