129639746 is an even 9-digits composite number following 129639745
and preceding 129639747 . In scientific notation, it is written as 1.29639746 × 10^8.
The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors.
There are 64819872 positive integers (up to 129639746) that are relatively prime to 129639746.
129639746 has 4 divisors, whose sum is 194459622
The reverse of 129639746 is 647936921
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 47
Digital Root 2
Name
one hundred twenty-nine million six hundred thirty-nine thousand seven hundred forty-six
Scientific notation
1.29639746 × 10^8
Engineering notation
1.29639746 × 10^6
Prime Factorization
2 × 64819873
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
129639746
Product of the distinct prime numbers
The prime factorization of 129639746 is 2 × 64819873.
Since it has a total of 2 prime factors.
9 , 2 , 19 , 45 , 715 , 761 , 3854 , 4387 , 61759 , 98938 , 482930 , 645846 , 3017520 , 5462706 , 21019071 , 49281894 , 395609319 , 59485887 , 9176215433 , 4042119962
n×2
259279492
n×3
388919238
n×4
518558984
n×5
648198730
n÷2
64819873
n÷3
43213248.666667
n÷3
32409936.5
n÷5
25927949.2
n2
16806463742944516
n3
2.1787856907935E+24
n4
2.8245722354291E+32
n5
3.6617682715968E+40
2 √n
11385.945107895
3 √n
506.1113270334
4 √n
106.70494415862
5 √n
41.932198624071
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
-129639745
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 129639746 can be divided by 4 positive divisors.
The sum of these divisors (counting 129639746) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101110100010010101000010
3
Ternary
100000221101022002
4
Quaternary
13232202111002
5
Quinary
231141432441
6
Senary
20510344002
8
Octal
756422502
10
Decimal
129639746
12
Duodecimal
374bb002
16
Hexadecimal
7ba2542
20
Vigesimal
20a4j76
36
Base36
256mo2
md5
d18bb374556447c3e397b74ab2020208
sha1
ea10c6732b5782b6c686881abfc8627f4fff8dde
sha256
e6709cf978144fc636b5c710241f57f63184f5f5eabd6fb6216014e7e3ce9264
sha512
6632603ce182a8511964a1f20bc42f6c07b183b7392ded381defbcf6572ab7a96ece584dd47da4234a5d579dcfa10dc89c7665007cc8e1e44d1ca6b1b2bbe8ef
ripemd-160
ce04fba7afe358ec11a2efa9012e65dcc2988347
Diameter
259279492
Circumference
814550547.29369
Area
5.2799063027658E+16
Volume
9.1264761599247E+24
Surface area
2.1119625211063E+17
Circumference
814550547.29369
Perimeter
518558984
Area
16806463742944516
Diagonal
183338287.0158
Surface area
100838782457667096
Volume
2.1787856907935E+24
Space diagonal
224542626.75232
Perimeter
388919238
Area
7.277412274586E+15
Altitude
112271313.37616
Surface area
7.277412274586E+15
Volume
2.5677235611872E+23
Height
61112762.338601