129779839 is an odd 9-digits composite number following 129779838
and preceding 129779840 . In scientific notation, it is written as 1.29779839 × 10^8.
The sum of its digits is 55. It has a total of 2 prime factors and 4 positive divisors.
There are 111239856 positive integers (up to 129779839) that are relatively prime to 129779839.
129779839 has 4 divisors, whose sum is 148319824
The reverse of 129779839 is 938977921
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 55
Digital Root 1
Name
one hundred twenty-nine million seven hundred seventy-nine thousand eight hundred thirty-nine
Scientific notation
1.29779839 × 10^8
Engineering notation
1.29779839 × 10^6
Prime Factorization
7 × 18539977
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
129779839
Product of the distinct prime numbers
The prime factorization of 129779839 is 7 × 18539977.
Since it has a total of 2 prime factors.
8 , 3 , 6 , 49 , 707 , 972 , 1294 , 7541 , 41638 , 95108 , 628638 , 487307 , 6991721 , 8925553 , 58667083 , 33941825 , 738086590 , 472972578 , 5855715848 , 1257019995
n×2
259559678
n×3
389339517
n×4
519119356
n×5
648899195
n÷2
64889919.5
n÷3
43259946.333333
n÷3
32444959.75
n÷5
25955967.8
n2
16842806610865921
n3
2.1858567302663E+24
n4
2.8368013453103E+32
n5
3.6815962186935E+40
2 √n
11392.095461328
3 √n
506.29356828715
4 √n
106.73375970764
5 √n
41.941257373561
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
-129779838
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 129779839 can be divided by 4 positive divisors.
The sum of these divisors (counting 129779839) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101111000100100001111111
3
Ternary
100001012111110201
4
Quaternary
13233010201333
5
Quinary
231210423324
6
Senary
20513344331
8
Octal
757044177
10
Decimal
129779839
12
Duodecimal
375680a7
16
Hexadecimal
7bc487f
20
Vigesimal
20b29bj
36
Base36
259mrj
md5
d684fe760db419eaf65572279b448f0b
sha1
886616207d41bebacc96589f7fde482f38d540da
sha256
1ce6b9b6884aff35378b3381e7ae24d755234f485b599c5a68a4539001427675
sha512
1206077e1f1c240c3e2278914be59e5660b4df2d6c9c2f4e7d7cc7a04fc366272773d77b911f2f4c54365f6f511b5065ea5a449dc53aa3b9c2b463dcb6706ae1
ripemd-160
bd8f0e75752b9a8ce30d136de3572465a55a1bdc
Diameter
259559678
Circumference
815430777.57293
Area
5.291323751453E+16
Volume
9.1560952608059E+24
Surface area
2.1165295005812E+17
Circumference
815430777.57293
Perimeter
519119356
Area
16842806610865921
Diagonal
183536408.4364
Surface area
101056839665195526
Volume
2.1858567302663E+24
Space diagonal
224785274.94611
Perimeter
389339517
Area
7.2931491980192E+15
Altitude
112392637.47305
Surface area
7.2931491980192E+15
Volume
2.5760568611226E+23
Height
61178802.812132