129628240 is an even 9-digits composite number following 129628239
and preceding 129628241 . In scientific notation, it is written as 1.29628240 × 10^8.
The sum of its digits is 34. It has a total of 6 prime factors and 20 positive divisors.
There are 44443776 positive integers (up to 129628240) that are relatively prime to 129628240.
129628240 has 20 divisors, whose sum is 258331680
The reverse of 129628240 is 042826921
Previous prime number is 35
Is Prime? no
Number parity even
Number length 9
Sum of Digits 34
Digital Root 7
Name
one hundred twenty-nine million six hundred twenty-eight thousand two hundred forty
Scientific notation
1.29628240 × 10^8
Engineering notation
1.29628240 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 35 × 231479
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
16203530
Product of the distinct prime numbers
The prime factorization of 129628240 is 2 × 2 × 2 × 2 × 35 × 231479.
Since it has a total of 6 prime factors.
8 , 9 , 66 , 66 , 529 , 160 , 5065 , 3881 , 43329 , 29150 , 855163 , 157483 , 6266692 , 5374517 , 66509080 , 12961350 , 595743596 , 355553672 , 3277963197 , 7483639156
n×2
259256480
n×3
388884720
n×4
518512960
n×5
648141200
n÷2
64814120
n÷3
43209413.333333
n÷3
32407060
n÷5
25925648
n2
16803480605497600
n3
2.1782056167648E+24
n4
2.8235696045933E+32
n5
3.6601435836093E+40
2 √n
11385.439824618
3 √n
506.09635351538
4 √n
106.70257646664
5 √n
41.93145427055
1 , 2 , 4 , 8 , 16 , 35 , 70 , 140 , 280 , 560 , 231479 , 462958 , 925916 , 1851832 , 3703664 , 8101765 , 16203530 , 32407060 , 64814120 , 129628240
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129628239
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129628240 can be divided by 20 positive divisors.
The sum of these divisors (counting 129628240) is 1, the average is 0.05.
Base
System
Value
2
Binary
111101110011111100001010000
3
Ternary
100000220210111221
4
Quaternary
13232133201100
5
Quinary
231141100430
6
Senary
20510214424
8
Octal
756374120
10
Decimal
129628240
12
Duodecimal
374b4414
16
Hexadecimal
7b9f850
20
Vigesimal
20a3ac0
36
Base36
256dsg
md5
a1c71f0adf39e77c7be303a6c6c0827c
sha1
b9adc70c8752264a46c1e2ffad3894bb8175431e
sha256
4f37bdead5fb76c5c008a30acb0bd897af7361d9c1ffb1bdfd48b520a96e9141
sha512
4254f5ab7e0af296bd062aa143ba5f72b3f315f64fb82e7e168b7ebd8fcd80c0bccae7380d579df0c43bb43f63dc342bd1d9307fd3fe48a76621c03cb29a2541
ripemd-160
2a3ff3ad6651744b4308ba4e5b056416e72687d8
Diameter
259256480
Circumference
814478252.96355
Area
5.278969122497E+16
Volume
9.124046351515E+24
Surface area
2.1115876489988E+17
Circumference
814478252.96355
Perimeter
518512960
Area
16803480605497600
Diagonal
183322015.07455
Surface area
100820883632985600
Volume
2.1782056167648E+24
Space diagonal
224522697.77573
Perimeter
388884720
Area
7.27612053818E+15
Altitude
112261348.88787
Surface area
7.27612053818E+15
Volume
2.5670399373883E+23
Height
61107338.358185