129779838 is an even 9-digits composite number following 129779837
and preceding 129779839 . In scientific notation, it is written as 1.29779838 × 10^8.
The sum of its digits is 54. It has a total of 5 prime factors and 32 positive divisors.
There are 42394752 positive integers (up to 129779838) that are relatively prime to 129779838.
129779838 has 32 divisors, whose sum is 220668000
The reverse of 129779838 is 838977921
Previous prime number is 73
Is Prime? no Number parity even Number length 9 Sum of Digits 54 Digital Root 9
Name
one hundred twenty-nine million seven hundred seventy-nine thousand eight hundred thirty-eight
Scientific notation
1.29779838 × 10^8
Engineering notation
1.29779838 × 10^6
Prime Factorization
2 × 9 × 349 × 73 × 283
Composite number
ω Distinct Factors
5 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
129779838 Product of the distinct prime numbers
The prime factorization of 129779838 is 2 × 9 × 349 × 73 × 283.
Since it has a total of 5 prime factors.
8 , 4 , 24 , 79 , 187 , 90 , 5425 , 2542 , 2381 , 3163 , 704510 , 564316 , 1584671 , 6375320 , 33589206 , 33644024 , 685504221 , 582922411 , 8288394514 , 2720214682
n×2
259559676
n×3
389339514
n×4
519119352
n×5
648899190
n÷2
64889919
n÷3
43259946
n÷3
32444959.5
n÷5
25955967.6
n2
16842806351306244
n3
2.1858566797379E+24
n4
2.836801257876E+32
n5
3.6815960768535E+40
2 √n11392.095417437
3 √n506.29356698676
4 √n106.73375950203
5 √n41.941257308927
1 , 2 , 9 , 18 , 73 , 146 , 283 , 349 , 566 , 657 , 698 , 1314 , 2547 , 3141 , 5094 , 6282 , 20659 , 25477 , 41318 , 50954 , 98767 , 185931 , 197534 , 229293 , 371862 , 458586 , 888903 , 1777806 , 7209991 , 14419982 , 64889919 , 129779838
32 divisors
τ Total Divisors
32 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-129779837 Sum of the proper positive divisors of n
A Arithmetic Mean
0.03125 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
32 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129779838 can be divided by 32 positive divisors.
The sum of these divisors (counting 129779838) is 1, the average is 0.03125.
Base
System
Value
2
Binary
111101111000100100001111110
3
Ternary
100001012111110200
4
Quaternary
13233010201332
5
Quinary
231210423323
6
Senary
20513344330
8
Octal
757044176
10
Decimal
129779838
12
Duodecimal
375680a6
16
Hexadecimal
7bc487e
20
Vigesimal
20b29bi
36
Base36
259mri
md5
56123878bedc76258175704e808df53a
sha1
6be16cc2e723e8e48254f75b0bbbbc328c27e017
sha256
f5511ec9acba1c363da2a0ab9b08f10293883b98940e099fc1dc665d100a7181
sha512
daf85c7615e0d5dd76642c83dd02e34ded59cced2e02469c8094c128733153c39ffd080a7b46b3b203f4f071e0c543a0c230c04a61b7eb78d6c638fcb6c12e66
ripemd-160
a76d70a7490aeb816bc1d0f8058a0f4d00b020dd
Diameter
259559676
Circumference
815430771.28975
Area
5.2913236699099E+16
Volume
9.156095049153E+24
Surface area
2.116529467964E+17
Circumference
815430771.28975
Perimeter
519119352
Area
16842806351306244
Diagonal
183536407.02218
Surface area
101056838107837464
Volume
2.1858566797379E+24
Space diagonal
224785273.21406
Perimeter
389339514
Area
7.2931490856265E+15
Altitude
112392636.60703
Surface area
7.2931490856265E+15
Volume
2.5760568015743E+23
Height
61178802.340728