129639749 is an odd 9-digits composite number following 129639748
and preceding 129639750 . In scientific notation, it is written as 1.29639749 × 10^8.
The sum of its digits is 50. It has a total of 3 prime factors and 8 positive divisors.
There are 123754176 positive integers (up to 129639749) that are relatively prime to 129639749.
129639749 has 8 divisors, whose sum is 135657720
The reverse of 129639749 is 947936921
Previous prime number is 37
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 50
Digital Root 5
Name
one hundred twenty-nine million six hundred thirty-nine thousand seven hundred forty-nine
Scientific notation
1.29639749 × 10^8
Engineering notation
1.29639749 × 10^6
Prime Factorization
53 × 37 × 66109
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
129639749
Product of the distinct prime numbers
The prime factorization of 129639749 is 53 × 37 × 66109.
Since it has a total of 3 prime factors.
7 , 1 , 16 , 2 , 81 , 982 , 2527 , 2866 , 66983 , 32719 , 229924 , 389656 , 1811726 , 7729062 , 48191576 , 22543168 , 852887859 , 150965870 , 1005005291 , 695463178
n×2
259279498
n×3
388919247
n×4
518558996
n×5
648198745
n÷2
64819874.5
n÷3
43213249.666667
n÷3
32409937.25
n÷5
25927949.8
n2
16806464520783001
n3
2.1787858420517E+24
n4
2.8245724968834E+32
n5
3.6617686952826E+40
2 √n
11385.945239636
3 √n
506.11133093738
4 √n
106.70494477594
5 √n
41.932198818142
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129639748
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129639749 can be divided by 8 positive divisors.
The sum of these divisors (counting 129639749) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101110100010010101000101
3
Ternary
100000221101022012
4
Quaternary
13232202111011
5
Quinary
231141432444
6
Senary
20510344005
8
Octal
756422505
10
Decimal
129639749
12
Duodecimal
374bb005
16
Hexadecimal
7ba2545
20
Vigesimal
20a4j79
36
Base36
256mo5
md5
4f6d581be0fd011800ff623673f03c4f
sha1
30eebfeabb4af349271a7d0273761a39e62bc633
sha256
4d798edd9663d80654dac5e632b3913041926deccf3d798f95b450bcd28f723d
sha512
93d84d05580f248f933abd952cbb42deac3c9220b904e6c9b5ff4b8357b465093529ccacfc2d1a926e68714193c2901a19f1aee6fdbc4823776221d27a95761b
ripemd-160
ebfe244a67421dca1e4b16d8c837a5de0f47e219
Diameter
259279498
Circumference
814550566.14325
Area
5.2799065471309E+16
Volume
9.1264767935135E+24
Surface area
2.1119626188524E+17
Circumference
814550566.14325
Perimeter
518558996
Area
16806464520783001
Diagonal
183338291.25844
Surface area
100838787124698006
Volume
2.1787858420517E+24
Space diagonal
224542631.94848
Perimeter
388919247
Area
7.2774126114E+15
Altitude
112271315.97424
Surface area
7.2774126114E+15
Volume
2.5677237394467E+23
Height
61112763.752815