129520281 is an odd 9-digits composite number following 129520280
and preceding 129520282 . In scientific notation, it is written as 1.29520281 × 10^8.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 77165520 positive integers (up to 129520281) that are relatively prime to 129520281.
129520281 has 16 divisors, whose sum is 191589120
The reverse of 129520281 is 182025921
Previous prime number is 59
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 30
Digital Root 3
Name
one hundred twenty-nine million five hundred twenty thousand two hundred eighty-one
Scientific notation
1.29520281 × 10^8
Engineering notation
1.29520281 × 10^6
Prime Factorization
3 × 11 × 59 × 66523
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
129520281
Product of the distinct prime numbers
The prime factorization of 129520281 is 3 × 11 × 59 × 66523.
Since it has a total of 4 prime factors.
7 , 8 , 77 , 77 , 7 , 502 , 6971 , 8595 , 26105 , 40862 , 361781 , 723770 , 3134829 , 9522006 , 21667741 , 40754670 , 330774804 , 465631863 , 9367393217 , 968252091
n×2
259040562
n×3
388560843
n×4
518081124
n×5
647601405
n÷2
64760140.5
n÷3
43173427
n÷3
32380070.25
n÷5
25904056.2
n2
16775503190318961
n3
2.1727678871265E+24
n4
2.814175072884E+32
n5
3.6449274622313E+40
2 √n
11380.697737837
3 √n
505.95581615688
4 √n
106.68035310139
5 √n
41.924467541912
1 , 3 , 11 , 33 , 59 , 177 , 649 , 1947 , 66523 , 199569 , 731753 , 2195259 , 3924857 , 11774571 , 43173427 , 129520281
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
-129520280
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 129520281 can be divided by 16 positive divisors.
The sum of these divisors (counting 129520281) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101110000101001010011001
3
Ternary
100000201022102110
4
Quaternary
13232011022121
5
Quinary
231124122111
6
Senary
20504022533
8
Octal
756051231
10
Decimal
129520281
12
Duodecimal
37461a49
16
Hexadecimal
7b85299
20
Vigesimal
209a0e1
36
Base36
2542hl
md5
dca0974149c5d39777ebe8695724c85d
sha1
5a55b084df3e9d8d735f6a068f6d582d0bb19476
sha256
6f0f232f6a23edd3cb093d9d4c348ab1ccf90e607f45e9a66764e43290ebf788
sha512
1cf73659db464f3bbe3d1c9a30d741b8ca423a7b78bdeef21653b0ffc9c515e8da08214674763d1098032d2e3d963eaf78fde17160f7a7f309720e5d804735ab
ripemd-160
dbd78b79a3b784f6363390f20ec1303b22faf0d0
Diameter
259040562
Circumference
813799926.56097
Area
5.2701797582978E+16
Volume
9.1012688428699E+24
Surface area
2.1080719033191E+17
Circumference
813799926.56097
Perimeter
518081124
Area
16775503190318961
Diagonal
183169337.99257
Surface area
100653019141913766
Volume
2.1727678871265E+24
Space diagonal
224335707.3026
Perimeter
388560843
Area
7.2640059620416E+15
Altitude
112167853.6513
Surface area
7.2640059620416E+15
Volume
2.5606315115525E+23
Height
61056445.997525