129951381 is an odd 9-digits composite number following 129951380
and preceding 129951382 . In scientific notation, it is written as 1.29951381 × 10^8.
The sum of its digits is 39. It has a total of 5 prime factors and 32 positive divisors.
There are 72650928 positive integers (up to 129951381) that are relatively prime to 129951381.
129951381 has 32 divisors, whose sum is 206438400
The reverse of 129951381 is 183159921
Previous prime number is 47
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 39
Digital Root 3
Name
one hundred twenty-nine million nine hundred fifty-one thousand three hundred eighty-one
Scientific notation
1.29951381 × 10^8
Engineering notation
1.29951381 × 10^6
Prime Factorization
7 × 3 × 49 × 47 × 2687
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
129951381
Product of the distinct prime numbers
The prime factorization of 129951381 is 7 × 3 × 49 × 47 × 2687.
Since it has a total of 5 prime factors.
5 , 10 , 91 , 3 , 810 , 879 , 3688 , 5557 , 28173 , 78207 , 504525 , 169330 , 8804161 , 312489 , 4872538 , 74195662 , 638500657 , 147287091 , 3343369853 , 3718689159
n×2
259902762
n×3
389854143
n×4
519805524
n×5
649756905
n÷2
64975690.5
n÷3
43317127
n÷3
32487845.25
n÷5
25990276.2
n2
16887361423807161
n3
2.1945359384699E+24
n4
2.8518297585829E+32
n5
3.7059921550474E+40
2 √n
11399.621967416
3 √n
506.51654173171
4 √n
106.76901220587
5 √n
41.952339042777
1 , 3 , 7 , 21 , 47 , 49 , 141 , 147 , 329 , 343 , 987 , 1029 , 2303 , 2687 , 6909 , 8061 , 16121 , 18809 , 48363 , 56427 , 126289 , 131663 , 378867 , 394989 , 884023 , 921641 , 2652069 , 2764923 , 6188161 , 18564483 , 43317127 , 129951381
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129951380
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129951381 can be divided by 32 positive divisors.
The sum of these divisors (counting 129951381) is 1, the average is 0.03125.
Base
System
Value
2
Binary
111101111101110011010010101
3
Ternary
100001112012210010
4
Quaternary
13233232122111
5
Quinary
231231421011
6
Senary
20521150433
8
Octal
757563225
10
Decimal
129951381
12
Duodecimal
3762b419
16
Hexadecimal
7bee695
20
Vigesimal
20c3i91
36
Base36
25db4l
md5
69c96f336c61d2be50b4900697d7f2c7
sha1
f4f00020a0bc29b957f51aac5744cd3a552b150c
sha256
61f0a38fa427956544a18ca48b5b28561ee454edd417deaa45f86a5e8a6f514e
sha512
7b6b4da821e5c43a250fdb13b3527d106561b0d64b6766abc586c153440d40e0989f0a3720daf69d93ad9bc36422092eaf1e68414bbf56fcc96d0ee4fef7e199
ripemd-160
f94bf2060fdfa38e15efa071386968205346cd21
Diameter
259902762
Circumference
816508607.7469
Area
5.3053210587548E+16
Volume
9.1924506431143E+24
Surface area
2.1221284235019E+17
Circumference
816508607.7469
Perimeter
519805524
Area
16887361423807161
Diagonal
183779005.45931
Surface area
101324168542842966
Volume
2.1945359384699E+24
Space diagonal
225082394.40574
Perimeter
389854143
Area
7.3124419979532E+15
Altitude
112541197.20287
Surface area
7.3124419979532E+15
Volume
2.5862854060827E+23
Height
61259668.486438