129122871 is an odd 9-digits composite number following 129122870
and preceding 129122872 . In scientific notation, it is written as 1.29122871 × 10^8.
The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors.
There are 81018240 positive integers (up to 129122871) that are relatively prime to 129122871.
129122871 has 8 divisors, whose sum is 182291184
The reverse of 129122871 is 178221921
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 33
Digital Root 6
Name
one hundred twenty-nine million one hundred twenty-two thousand eight hundred seventy-one
Scientific notation
1.29122871 × 10^8
Engineering notation
1.29122871 × 10^6
Prime Factorization
3 × 17 × 2531821
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
129122871
Product of the distinct prime numbers
The prime factorization of 129122871 is 3 × 17 × 2531821.
Since it has a total of 3 prime factors.
10 , 6 , 56 , 4 , 393 , 162 , 9944 , 6639 , 56592 , 4269 , 181604 , 35036 , 2442592 , 834333 , 2455137 , 39819455 , 664758834 , 3797834 , 3458810533 , 8838411834
n×2
258245742
n×3
387368613
n×4
516491484
n×5
645614355
n÷2
64561435.5
n÷3
43040957
n÷3
32280717.75
n÷5
25824574.2
n2
16672715815282641
n3
2.1528289334364E+24
n4
2.7797945265718E+32
n5
3.5893505006103E+40
2 √n
11363.224498354
3 √n
505.437807441
4 √n
106.59842634089
5 √n
41.898708349573
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
-129122870
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 129122871 can be divided by 8 positive divisors.
The sum of these divisors (counting 129122871) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101100100100001000110111
3
Ternary
22222222010021120
4
Quaternary
13230210020313
5
Quinary
231023412441
6
Senary
20451315023
8
Octal
754441067
10
Decimal
129122871
12
Duodecimal
372aba73
16
Hexadecimal
7b24237
20
Vigesimal
207073b
36
Base36
24vjuf
md5
bb458775cfc0d05fbb6aecd59d9a660e
sha1
02f1bcc0498223ffff6cf39dff9cf5d3650ecc38
sha256
90779e2c7dec78032d4e751f3e20431be4c028a630b6265cce059e6c5f51046c
sha512
4b609632e5a3c549ba3fc5e0f7ddd6e7a01a90b1e782132b0153416f3007b0047e578131e294fc09bae1bf4dde76420da7bbbf49e8fceedaf4e9db7f86bf0244
ripemd-160
8323bd54e7e5c08dffa7b2fbdbdee2b0e15879bc
Diameter
258245742
Circumference
811302925.88805
Area
5.2378881520682E+16
Volume
9.0177487489591E+24
Surface area
2.0951552608273E+17
Circumference
811302925.88805
Perimeter
516491484
Area
16672715815282641
Diagonal
182607315.38075
Surface area
100036294891695846
Volume
2.1528289334364E+24
Space diagonal
223647372.99116
Perimeter
387368613
Area
7.2194977230567E+15
Altitude
111823686.49558
Surface area
7.2194977230567E+15
Volume
2.5371332292791E+23
Height
60869105.126917