129660387 is an odd 9-digits composite number following 129660386
and preceding 129660388 . In scientific notation, it is written as 1.29660387 × 10^8.
The sum of its digits is 42. It has a total of 2 prime factors and 4 positive divisors.
There are 86440256 positive integers (up to 129660387) that are relatively prime to 129660387.
129660387 has 4 divisors, whose sum is 172880520
The reverse of 129660387 is 783066921
Previous prime number is 3
Is Prime? no Number parity odd Number length 9 Sum of Digits 42 Digital Root 6
Name
one hundred twenty-nine million six hundred sixty thousand three hundred eighty-seven
Scientific notation
1.29660387 × 10^8
Engineering notation
1.29660387 × 10^6
Prime Factorization
3 × 43220129
Composite number
ω Distinct Factors
2 Total number of distinct prime factors
Ω Total Factors
2 Total number of prime factors
rad Radical
129660387 Product of the distinct prime numbers
The prime factorization of 129660387 is 3 × 43220129.
Since it has a total of 2 prime factors.
7 , 10 , 66 , 64 , 145 , 234 , 9072 , 7821 , 55876 , 7520 , 540492 , 544267 , 9598439 , 8799281 , 1508011 , 62762915 , 805188493 , 378321894 , 2960743124 , 452088642
n×2
259320774
n×3
388981161
n×4
518641548
n×5
648301935
n÷2
64830193.5
n÷3
43220129
n÷3
32415096.75
n÷5
25932077.4
n2
16811815956989769
n3
2.1798265631561E+24
n4
2.826371557717E+32
n5
3.6646842997937E+40
2 √n11386.851496353
3 √n506.13818631033
4 √n106.7091912459
5 √n41.933533812423
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
-129660386 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 129660387 can be divided by 4 positive divisors.
The sum of these divisors (counting 129660387) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101110100111010111100011
3
Ternary
100000222102121120
4
Quaternary
13232213113203
5
Quinary
231143113022
6
Senary
20511023323
8
Octal
756472743
10
Decimal
129660387
12
Duodecimal
3750ab43
16
Hexadecimal
7ba75e3
20
Vigesimal
20a7aj7
36
Base36
2572lf
md5
bc656a5bb75d646c8ea91a01f790a309
sha1
ccc22c5f470db40579f6d469ea2f37214f8dde4c
sha256
f12c5bd0bc863f8cc6a858cdfefb7de462d06be9e371aff7461593058ba85c7b
sha512
bc274c099a796eb48094052cbcf910219363d66ee15a8fd2282496e34604dfa570d1eb3ed64761a7a986e0f4648cc4d9591ee6a1f1014365c1d09b62075b0d09
ripemd-160
46fccb1df9612c70907b9ae3fcd46d5d9dab11b4
Diameter
259320774
Circumference
814680238.52162
Area
5.2815877503983E+16
Volume
9.1308361558813E+24
Surface area
2.1126351001593E+17
Circumference
814680238.52162
Perimeter
518641548
Area
16811815956989769
Diagonal
183367477.79794
Surface area
100870895741938614
Volume
2.1798265631561E+24
Space diagonal
224578378.01304
Perimeter
388981161
Area
7.2797298512509E+15
Altitude
112289189.00652
Surface area
7.2797298512509E+15
Volume
2.5689502410304E+23
Height
61122492.599315