129291286 is an even 9-digits composite number following 129291285
and preceding 129291287 . In scientific notation, it is written as 1.29291286 × 10^8.
The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors.
There are 63068880 positive integers (up to 129291286) that are relatively prime to 129291286.
129291286 has 8 divisors, whose sum is 198667224
The reverse of 129291286 is 682192921
Previous prime number is 41
Is Prime? no
Number parity even
Number length 9
Sum of Digits 40
Digital Root 4
Name
one hundred twenty-nine million two hundred ninety-one thousand two hundred eighty-six
Scientific notation
1.29291286 × 10^8
Engineering notation
1.29291286 × 10^6
Prime Factorization
2 × 41 × 1576723
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
129291286
Product of the distinct prime numbers
The prime factorization of 129291286 is 2 × 41 × 1576723.
Since it has a total of 3 prime factors.
7 , 6 , 90 , 85 , 518 , 377 , 814 , 9241 , 14496 , 35235 , 952649 , 932416 , 3147687 , 5776331 , 44993951 , 23042935 , 521281597 , 964071592 , 6873376688 , 5282789950
n×2
258582572
n×3
387873858
n×4
517165144
n×5
646456430
n÷2
64645643
n÷3
43097095.333333
n÷3
32322821.5
n÷5
25858257.2
n2
16716236635533796
n3
2.1612637316885E+24
n4
2.7943256725516E+32
n5
3.6128195970701E+40
2 √n
11370.632612128
3 √n
505.65745953332
4 √n
106.6331684427
5 √n
41.909632351401
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129291285
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129291286 can be divided by 8 positive divisors.
The sum of these divisors (counting 129291286) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101101001101010000010110
3
Ternary
100000021200022011
4
Quaternary
13231031100112
5
Quinary
231044310121
6
Senary
20455054434
8
Octal
755152026
10
Decimal
129291286
12
Duodecimal
3737141a
16
Hexadecimal
7b4d416
20
Vigesimal
2081846
36
Base36
24z5sm
md5
38717da2477bd033a491eda45fe628b2
sha1
3702942927c532df1e5bb043cab40c4ab578e756
sha256
46fd2a0651d417a4a8afcb0a84d594eb791af4048b6d4c118b7b16e11a2248b0
sha512
dc9f83660bec46901e623282c338a01c13577553d1adcb7513e4b8245fc12f2b90c8a0e43bc9db4a58ec8bf2c0f3d9cc53f130410f752a133c85eb2dfe450a16
ripemd-160
13bec71a2cf3f81804da4f251da40e84f2e7f392
Diameter
258582572
Circumference
812361108.54155
Area
5.2515606209862E+16
Volume
9.0530803492568E+24
Surface area
2.1006242483945E+17
Circumference
812361108.54155
Perimeter
517165144
Area
16716236635533796
Diagonal
182845490.15786
Surface area
100297419813202776
Volume
2.1612637316885E+24
Space diagonal
223939076.32792
Perimeter
387873858
Area
7.2383427910222E+15
Altitude
111969538.16396
Surface area
7.2383427910222E+15
Volume
2.5470737343491E+23
Height
60948496.719286