129639748 is an even 9-digits composite number following 129639747
and preceding 129639749 . In scientific notation, it is written as 1.29639748 × 10^8.
The sum of its digits is 49. It has a total of 4 prime factors and 12 positive divisors.
There are 55559880 positive integers (up to 129639748) that are relatively prime to 129639748.
129639748 has 12 divisors, whose sum is 259279552
The reverse of 129639748 is 847936921
Previous prime number is 7
Is Prime? no
Number parity even
Number length 9
Sum of Digits 49
Digital Root 4
Name
one hundred twenty-nine million six hundred thirty-nine thousand seven hundred forty-eight
Scientific notation
1.29639748 × 10^8
Engineering notation
1.29639748 × 10^6
Prime Factorization
2 × 2 × 7 × 4629991
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
64819874
Product of the distinct prime numbers
The prime factorization of 129639748 is 2 × 2 × 7 × 4629991.
Since it has a total of 4 prime factors.
3 , 8 , 44 , 92 , 497 , 907 , 4206 , 2536 , 94144 , 39218 , 806339 , 404115 , 2177194 , 412398 , 30680871 , 30066193 , 692139094 , 22953221 , 8174673160 , 3162093983
n×2
259279496
n×3
388919244
n×4
518558992
n×5
648198740
n÷2
64819874
n÷3
43213249.333333
n÷3
32409937
n÷5
25927949.6
n2
16806464261503504
n3
2.1787857916323E+24
n4
2.8245724097319E+32
n5
3.661768554054E+40
2 √n
11385.945195723
3 √n
506.11132963606
4 √n
106.70494457017
5 √n
41.932198753451
1 , 2 , 4 , 7 , 14 , 28 , 4629991 , 9259982 , 18519964 , 32409937 , 64819874 , 129639748
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129639747
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129639748 can be divided by 12 positive divisors.
The sum of these divisors (counting 129639748) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111101110100010010101000100
3
Ternary
100000221101022011
4
Quaternary
13232202111010
5
Quinary
231141432443
6
Senary
20510344004
8
Octal
756422504
10
Decimal
129639748
12
Duodecimal
374bb004
16
Hexadecimal
7ba2544
20
Vigesimal
20a4j78
36
Base36
256mo4
md5
0e04794d758340e83b75f11eceb6902a
sha1
eb0dd62535a60a9483f620b86b182ddb8dcacb76
sha256
03caa9b1507a2fc5dfcc2c3563eea65f5745c356179dd2c8b90c14bab6a782d2
sha512
06e5dc12e28bb46df53841d03fca8f89837b7ee86451894fb69411fe8037df14341f49de4d46f87fbc7d0341dd56575e5c07b824d3ae5676cc05c9409648f8dd
ripemd-160
7a7602041a8321a78f0e427a96514670d9adc30a
Diameter
259279496
Circumference
814550559.86006
Area
5.2799064656759E+16
Volume
9.1264765823172E+24
Surface area
2.1119625862704E+17
Circumference
814550559.86006
Perimeter
518558992
Area
16806464261503504
Diagonal
183338289.84423
Surface area
100838785569021024
Volume
2.1787857916323E+24
Space diagonal
224542630.21643
Perimeter
388919244
Area
7.2774124991287E+15
Altitude
112271315.10821
Surface area
7.2774124991287E+15
Volume
2.5677236800269E+23
Height
61112763.28141