129439457 is an odd 9-digits composite number following 129439456
and preceding 129439458 . In scientific notation, it is written as 1.29439457 × 10^8.
The sum of its digits is 44. It has a total of 4 prime factors and 16 positive divisors.
There are 102867408 positive integers (up to 129439457) that are relatively prime to 129439457.
129439457 has 16 divisors, whose sum is 159037440
The reverse of 129439457 is 754934921
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 44
Digital Root 8
Name
one hundred twenty-nine million four hundred thirty-nine thousand four hundred fifty-seven
Scientific notation
1.29439457 × 10^8
Engineering notation
1.29439457 × 10^6
Prime Factorization
7 × 47 × 19 × 20707
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
129439457
Product of the distinct prime numbers
The prime factorization of 129439457 is 7 × 47 × 19 × 20707.
Since it has a total of 4 prime factors.
4 , 8 , 45 , 21 , 841 , 278 , 253 , 1290 , 29275 , 46753 , 177389 , 413127 , 1609735 , 4932985 , 27201174 , 96392356 , 422377705 , 68603538 , 4969371864 , 3249100089
n×2
258878914
n×3
388318371
n×4
517757828
n×5
647197285
n÷2
64719728.5
n÷3
43146485.666667
n÷3
32359864.25
n÷5
25887891.4
n2
16754573028454849
n3
2.16870283507E+24
n4
2.8071571736583E+32
n5
3.6335690027198E+40
2 √n
11377.146259058
3 √n
505.85055109287
4 √n
106.66370638159
5 √n
41.919233845289
1 , 7 , 19 , 47 , 133 , 329 , 893 , 6251 , 20707 , 144949 , 393433 , 973229 , 2754031 , 6812603 , 18491351 , 129439457
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129439456
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129439457 can be divided by 16 positive divisors.
The sum of these divisors (counting 129439457) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101101110001011011100001
3
Ternary
100000120012112222
4
Quaternary
13231301123201
5
Quinary
231114030312
6
Senary
20502200425
8
Octal
755613341
10
Decimal
129439457
12
Duodecimal
37423115
16
Hexadecimal
7b716e1
20
Vigesimal
208jich
36
Base36
252c4h
md5
4db7a6863131b878e1c5faadbc408027
sha1
4368317403c096e97fd3de3efa4070df1518c23a
sha256
fbcf3f0c53827f76885770fc52465204486185fabbfb7147650eda781bdda700
sha512
262f5196c6a8dd839a811d484b25341870ebd3db1a8977b1b84cfc0867b87ec8c03858716583ea08742df9df7635fb3cc0ce94343d33af7d28393ac445ee0f44
ripemd-160
539843d602798310435b7f834946daffe0b198aa
Diameter
258878914
Circumference
813292094.3917
Area
5.2636043540227E+16
Volume
9.0842411926339E+24
Surface area
2.1054417416091E+17
Circumference
813292094.3917
Perimeter
517757828
Area
16754573028454849
Diagonal
183055035.59561
Surface area
100527438170729094
Volume
2.16870283507E+24
Space diagonal
224195716.02813
Perimeter
388318371
Area
7.2549429361017E+15
Altitude
112097858.01406
Surface area
7.2549429361017E+15
Volume
2.5558408017609E+23
Height
61018345.198536