129797938 is an even 9-digits composite number following 129797937
and preceding 129797939 . In scientific notation, it is written as 1.29797938 × 10^8.
The sum of its digits is 55. It has a total of 2 prime factors and 4 positive divisors.
There are 64898968 positive integers (up to 129797938) that are relatively prime to 129797938.
129797938 has 4 divisors, whose sum is 194696910
The reverse of 129797938 is 839797921
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 55
Digital Root 1
Name
one hundred twenty-nine million seven hundred ninety-seven thousand nine hundred thirty-eight
Scientific notation
1.29797938 × 10^8
Engineering notation
1.29797938 × 10^6
Prime Factorization
2 × 64898969
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
129797938
Product of the distinct prime numbers
The prime factorization of 129797938 is 2 × 64898969.
Since it has a total of 2 prime factors.
5 , 1 , 22 , 34 , 595 , 954 , 3517 , 2716 , 13005 , 37347 , 71763 , 129638 , 6889074 , 9425566 , 4024471 , 82312839 , 592008316 , 157022623 , 209663787 , 7468722193
n×2
259595876
n×3
389393814
n×4
519191752
n×5
648989690
n÷2
64898969
n÷3
43265979.333333
n÷3
32449484.5
n÷5
25959587.6
n2
16847504709051844
n3
2.1867713716802E+24
n4
2.8383841492152E+32
n5
3.6841640982002E+40
2 √n
11392.889800222
3 √n
506.3171029682
4 √n
106.73748076576
5 √n
41.942427127633
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
-129797937
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 129797938 can be divided by 4 positive divisors.
The sum of these divisors (counting 129797938) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101111001000111100110010
3
Ternary
100001020102022001
4
Quaternary
13233020330302
5
Quinary
231212013223
6
Senary
20514004214
8
Octal
757107462
10
Decimal
129797938
12
Duodecimal
3757666a
16
Hexadecimal
7bc8f32
20
Vigesimal
20b4egi
36
Base36
25a0qa
md5
3d81f8813700bd5326c9819b4d8a46ff
sha1
aab6116f9bd2850bd684b8c3020198e2f81771a5
sha256
a755d4be9fca088ac81174e1ecb5efe2cbae53576f1c1b13ec5743300f67a800
sha512
031ec246d0280711acaa141dd95a60fc637f69a843fd7f903b057345608a85b3b73edf50c54509650f291b52c5a1a4cdfa2414cb58480cab1b4f2a1a72d2ba72
ripemd-160
d005a1ef0346b311341b7b7e9aa81e74e76be648
Diameter
259595876
Circumference
815544496.94381
Area
5.2927997025277E+16
Volume
9.1599265018014E+24
Surface area
2.1171198810111E+17
Circumference
815544496.94381
Perimeter
519191752
Area
16847504709051844
Diagonal
183562004.28766
Surface area
101085028254311064
Volume
2.1867713716802E+24
Space diagonal
224816623.33368
Perimeter
389393814
Area
7.2951835342084E+15
Altitude
112408311.66684
Surface area
7.2951835342084E+15
Volume
2.5771347763662E+23
Height
61187334.762554