129640948 is an even 9-digits composite number following 129640947
and preceding 129640949 . In scientific notation, it is written as 1.29640948 × 10^8.
The sum of its digits is 43. It has a total of 3 prime factors and 6 positive divisors.
There are 64820472 positive integers (up to 129640948) that are relatively prime to 129640948.
129640948 has 6 divisors, whose sum is 226871666
The reverse of 129640948 is 849046921
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 forty thousand nine hundred forty-eight
Scientific notation
1.29640948 × 10^8
Engineering notation
1.29640948 × 10^6
Prime Factorization
2 × 2 × 32410237
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
64820474
Product of the distinct prime numbers
The prime factorization of 129640948 is 2 × 2 × 32410237.
Since it has a total of 3 prime factors.
4 , 8 , 99 , 71 , 260 , 572 , 3123 , 9862 , 40639 , 40415 , 275733 , 743910 , 6286317 , 9981083 , 62920517 , 60333907 , 858210419 , 41907644 , 3326914820 , 6199833658
n×2
259281896
n×3
388922844
n×4
518563792
n×5
648204740
n÷2
64820474
n÷3
43213649.333333
n÷3
32410237
n÷5
25928189.6
n2
16806775398338704
n3
2.1788462954637E+24
n4
2.824676992902E+32
n5
3.6619380315361E+40
2 √n
11385.997892148
3 √n
506.11289122431
4 √n
106.70519149577
5 √n
41.932276381575
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129640947
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129640948 can be divided by 6 positive divisors.
The sum of these divisors (counting 129640948) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
111101110100010100111110100
3
Ternary
100000221102221121
4
Quaternary
13232202213310
5
Quinary
231142002243
6
Senary
20510353324
8
Octal
756424764
10
Decimal
129640948
12
Duodecimal
374bb844
16
Hexadecimal
7ba29f4
20
Vigesimal
20a5278
36
Base36
256nlg
md5
fcf3073de99fd089488c9238e73f767b
sha1
295c9772f6f5255ff7c36c613a84c599708aa701
sha256
d52f9182abf8eb0086ba4730eefc2adc8758697327072121b543d589a9feb8dd
sha512
23ec53f2a4165b10f2a2377f61a3979635b71d9f72cc256a7252b7a9aa1a2611e7c5b5c277ad681d5e7ab490a1ad16c4d8869cf88699430c2892f76995ad8c42
ripemd-160
0d424783b5f0b3722e99dfe680c42a26afc3466a
Diameter
259281896
Circumference
814558099.68243
Area
5.2800042121955E+16
Volume
9.1267300201735E+24
Surface area
2.1120016848782E+17
Circumference
814558099.68243
Perimeter
518563792
Area
16806775398338704
Diagonal
183339986.90051
Surface area
100840652390032224
Volume
2.1788462954637E+24
Space diagonal
224544708.67739
Perimeter
388922844
Area
7.2775472253303E+15
Altitude
112272354.3387
Surface area
7.2775472253303E+15
Volume
2.567794984476E+23
Height
61113328.966835