129021895 is an odd 9-digits composite number following 129021894
and preceding 129021896 . In scientific notation, it is written as 1.29021895 × 10^8.
The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors.
There are 102992736 positive integers (up to 129021895) that are relatively prime to 129021895.
129021895 has 8 divisors, whose sum is 155163456
The reverse of 129021895 is 598120921
Previous prime number is 463
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 37
Digital Root 1
Name
one hundred twenty-nine million twenty-one thousand eight hundred ninety-five
Scientific notation
1.29021895 × 10^8
Engineering notation
1.29021895 × 10^6
Prime Factorization
5 × 463 × 55733
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
129021895
Product of the distinct prime numbers
The prime factorization of 129021895 is 5 × 463 × 55733.
Since it has a total of 3 prime factors.
9 , 1 , 61 , 21 , 446 , 520 , 673 , 1244 , 57457 , 31754 , 68738 , 163568 , 4758157 , 1059600 , 8417562 , 4632859 , 201044448 , 899770096 , 3154067436 , 9747445784
n×2
258043790
n×3
387065685
n×4
516087580
n×5
645109475
n÷2
64510947.5
n÷3
43007298.333333
n÷3
32255473.75
n÷5
25804379
n2
16646649389391025
n3
2.1477822496198E+24
n4
2.7711093589331E+32
n5
3.5753378074179E+40
2 √n
11358.780524334
3 √n
505.30601979472
4 √n
106.57757983898
5 √n
41.892153216511
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
-129021894
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 129021895 can be divided by 8 positive divisors.
The sum of these divisors (counting 129021895) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101100001011011111000111
3
Ternary
22222202222202201
4
Quaternary
13230023133013
5
Quinary
231012200040
6
Senary
20445215331
8
Octal
754133707
10
Decimal
129021895
12
Duodecimal
37261547
16
Hexadecimal
7b0b7c7
20
Vigesimal
2067eef
36
Base36
24tdxj
md5
87c8e469af23872c07c5342c8b4cf97d
sha1
342a54602a6d8e5643fd5db49d08f87edc22d5db
sha256
81d95d60904815a2f1ef3167bbf5ab5a3f772e6cce4f75b42f8166e0e693d87f
sha512
42ad3570c0d51703b655c2183ad3b8f3c639fd49ea3918b5b7d47ace8f8b600834eb4c99fdbcc4a9a505ecd4dea038fff759dc1a12d9b4042e2f5336f58dd841
ripemd-160
79515d44064fef86b2ce0746429213431cc61985
Diameter
258043790
Circumference
810668474.96847
Area
5.2296991428596E+16
Volume
8.9966092492216E+24
Surface area
2.0918796571438E+17
Circumference
810668474.96847
Perimeter
516087580
Area
16646649389391025
Diagonal
182464513.75208
Surface area
99879896336346150
Volume
2.1477822496198E+24
Space diagonal
223472477.42882
Perimeter
387065685
Area
7.2082106295527E+15
Altitude
111736238.71441
Surface area
7.2082106295527E+15
Volume
2.5311856553638E+23
Height
60821504.584026