129431388 is an even 9-digits composite number following 129431387
and preceding 129431389 . In scientific notation, it is written as 1.29431388 × 10^8.
The sum of its digits is 39. It has a total of 5 prime factors and 24 positive divisors.
There are 42597360 positive integers (up to 129431388) that are relatively prime to 129431388.
129431388 has 24 divisors, whose sum is 305831680
The reverse of 129431388 is 883134921
Previous prime number is 79
Is Prime? no Number parity even Number length 9 Sum of Digits 39 Digital Root 3
Name
one hundred twenty-nine million four hundred thirty-one thousand three hundred eighty-eight
Scientific notation
1.29431388 × 10^8
Engineering notation
1.29431388 × 10^6
Prime Factorization
2 × 2 × 3 × 79 × 136531
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
64715694 Product of the distinct prime numbers
The prime factorization of 129431388 is 2 × 2 × 3 × 79 × 136531.
Since it has a total of 5 prime factors.
8 , 1 , 24 , 58 , 680 , 919 , 5047 , 6167 , 2296 , 39542 , 248895 , 292346 , 2605766 , 7846284 , 37832484 , 69898279 , 607655662 , 62001649 , 9385058978 , 7511255603
n×2
258862776
n×3
388294164
n×4
517725552
n×5
647156940
n÷2
64715694
n÷3
43143796
n÷3
32357847
n÷5
25886277.6
n2
16752484199606544
n3
2.1682972824031E+24
n4
2.8064572685807E+32
n5
3.6324365963508E+40
2 √n11376.791639122
3 √n505.84003963315
4 √n106.66204404155
5 √n41.918711199813
1 , 2 , 3 , 4 , 6 , 12 , 79 , 158 , 237 , 316 , 474 , 948 , 136531 , 273062 , 409593 , 546124 , 819186 , 1638372 , 10785949 , 21571898 , 32357847 , 43143796 , 64715694 , 129431388
24 divisors
τ Total Divisors
24 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-129431387 Sum of the proper positive divisors of n
A Arithmetic Mean
0.041666666666667 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
24 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129431388 can be divided by 24 positive divisors.
The sum of these divisors (counting 129431388) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
111101101101111011101011100
3
Ternary
100000112210111010
4
Quaternary
13231233131130
5
Quinary
231113301023
6
Senary
20502055220
8
Octal
755573534
10
Decimal
129431388
12
Duodecimal
3741a510
16
Hexadecimal
7b6f75c
20
Vigesimal
208ii98
36
Base36
2525wc
md5
5f6c584e4a03944cdc39c4294f1236cd
sha1
9e16f7241a122bba209a959c45b10b6e0cab0c28
sha256
10a8278d87c5505e95e0dcab120a55863009637a6af79ecad1906a21789e7fc8
sha512
85f8c877f99b505135f4a75ceb082f1e5a77ae8154f1f77f772bd84d13deb6eac782e087a7ef4eab47deeb585346e2afa717017afc85fe16f4313d7eb9301985
ripemd-160
4db1cf766e0db240c4897fb62f67a4a7d0d3d9ac
Diameter
258862776
Circumference
813241395.36946
Area
5.2629481290863E+16
Volume
9.0825424175952E+24
Surface area
2.1051792516345E+17
Circumference
813241395.36946
Perimeter
517725552
Area
16752484199606544
Diagonal
183043624.30637
Surface area
100514905197639264
Volume
2.1682972824031E+24
Space diagonal
224181740.11016
Perimeter
388294164
Area
7.2540384466783E+15
Altitude
112090870.05508
Surface area
7.2540384466783E+15
Volume
2.5553628533594E+23
Height
61014541.435458