129202381 is an odd 9-digits composite number following 129202380
and preceding 129202382 . In scientific notation, it is written as 1.29202381 × 10^8.
The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors.
There are 100270080 positive integers (up to 129202381) that are relatively prime to 129202381.
129202381 has 16 divisors, whose sum is 161735040
The reverse of 129202381 is 183202921
Previous prime number is 257
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 28
Digital Root 1
Name
one hundred twenty-nine million two hundred two thousand three hundred eighty-one
Scientific notation
1.29202381 × 10^8
Engineering notation
1.29202381 × 10^6
Prime Factorization
7 × 11 × 257 × 6529
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
129202381
Product of the distinct prime numbers
The prime factorization of 129202381 is 7 × 11 × 257 × 6529.
Since it has a total of 4 prime factors.
10 , 3 , 12 , 65 , 80 , 277 , 4441 , 4440 , 64176 , 67470 , 809663 , 819812 , 4112933 , 7426737 , 78815841 , 50402533 , 947760890 , 538679377 , 1987921265 , 1415060086
n×2
258404762
n×3
387607143
n×4
516809524
n×5
646011905
n÷2
64601190.5
n÷3
43067460.333333
n÷3
32300595.25
n÷5
25840476.2
n2
16693255256069161
n3
2.1568083257249E+24
n4
2.7866477104428E+32
n5
3.6004151919741E+40
2 √n
11366.722526744
3 √n
505.54153064628
4 √n
106.6148325832
5 √n
41.903867073254
1 , 7 , 11 , 77 , 257 , 1799 , 2827 , 6529 , 19789 , 45703 , 71819 , 502733 , 1677953 , 11745671 , 18457483 , 129202381
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129202380
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129202381 can be divided by 16 positive divisors.
The sum of these divisors (counting 129202381) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101100110111100011001101
3
Ternary
100000010011100101
4
Quaternary
13230313203031
5
Quinary
231033434011
6
Senary
20453131101
8
Octal
754674315
10
Decimal
129202381
12
Duodecimal
37329a91
16
Hexadecimal
7b378cd
20
Vigesimal
207a5j1
36
Base36
24x971
md5
345623c1022b15d53599eca488b0c97e
sha1
ffb55accb3e389d1f367c6aa3a0cd0d2867e59f2
sha256
0037dc9390060782ac86dc18b41cfbfc1d822e13536e7794227c63a45f84835a
sha512
9422d9520927415de024db1eed90f11b4004e9e6ae99a221072afdb6b59b39ca7b1c2048bafe78b52f5e4313999581449cb1dbb51abddd798ba48ae86803d619
ripemd-160
bec18de71ae2faef8fe762054dd629fd1fbd02c9
Diameter
258404762
Circumference
811802501.95182
Area
5.2443408076966E+16
Volume
9.0344175883982E+24
Surface area
2.0977363230786E+17
Circumference
811802501.95182
Perimeter
516809524
Area
16693255256069161
Diagonal
182719759.5011
Surface area
100159531536414966
Volume
2.1568083257249E+24
Space diagonal
223785088.35087
Perimeter
387607143
Area
7.228391561807E+15
Altitude
111892544.17544
Surface area
7.228391561807E+15
Volume
2.5418229880661E+23
Height
60906586.500365