129639742 is an even 9-digits composite number following 129639741
and preceding 129639743 . In scientific notation, it is written as 1.29639742 × 10^8.
The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors.
There are 64819870 positive integers (up to 129639742) that are relatively prime to 129639742.
129639742 has 4 divisors, whose sum is 194459616
The reverse of 129639742 is 247936921
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 43
Digital Root 7
Name
one hundred twenty-nine million six hundred thirty-nine thousand seven hundred forty-two
Scientific notation
1.29639742 × 10^8
Engineering notation
1.29639742 × 10^6
Prime Factorization
2 × 64819871
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
129639742
Product of the distinct prime numbers
The prime factorization of 129639742 is 2 × 64819871.
Since it has a total of 2 prime factors.
8 , 8 , 73 , 89 , 59 , 217 , 8291 , 5834 , 10712 , 91538 , 369257 , 453528 , 5744345 , 7686794 , 53866142 , 68178359 , 839756298 , 738530388 , 3701340941 , 5582168866
n×2
259279484
n×3
388919226
n×4
518558968
n×5
648198710
n÷2
64819871
n÷3
43213247.333333
n÷3
32409935.5
n÷5
25927948.4
n2
16806462705826564
n3
2.178785489116E+24
n4
2.8245718868234E+32
n5
3.6617677066824E+40
2 √n
11385.94493224
3 √n
506.11132182809
4 √n
106.70494333554
5 √n
41.932198365309
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
-129639741
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 129639742 can be divided by 4 positive divisors.
The sum of these divisors (counting 129639742) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101110100010010100111110
3
Ternary
100000221101021221
4
Quaternary
13232202110332
5
Quinary
231141432432
6
Senary
20510343554
8
Octal
756422476
10
Decimal
129639742
12
Duodecimal
374babba
16
Hexadecimal
7ba253e
20
Vigesimal
20a4j72
36
Base36
256mny
md5
d543ca31a328154e433504a79f01b754
sha1
a03d2fbda7d33ef0526f1a4766fcce136ebb4759
sha256
82d021dc959967a20cabc5a8183865a0e1beb8a47d0dd7f6d2e84b1f6040e67b
sha512
862a3e240b5c9a00d105053ae5d6dc62a506429c61094525b1ddf6b04af585aa52ff7c9758ff6bcaa43bef0b09e209fcec31c72e3b2e2e348afd7b6d5e8a0451
ripemd-160
fa052dce6647c098445b504c427bd5794543a500
Diameter
259279484
Circumference
814550522.16095
Area
5.2799059769456E+16
Volume
9.1264753151397E+24
Surface area
2.1119623907782E+17
Circumference
814550522.16095
Perimeter
518558968
Area
16806462705826564
Diagonal
183338281.35895
Surface area
100838776234959384
Volume
2.178785489116E+24
Space diagonal
224542619.82412
Perimeter
388919226
Area
7.2774118255008E+15
Altitude
112271309.91206
Surface area
7.2774118255008E+15
Volume
2.5677233235079E+23
Height
61112760.452983