129462990 is an even 9-digits composite number following 129462989
and preceding 129462991 . In scientific notation, it is written as 1.29462990 × 10^8.
The sum of its digits is 42. It has a total of 5 prime factors and 32 positive divisors.
There are 32145408 positive integers (up to 129462990) that are relatively prime to 129462990.
129462990 has 32 divisors, whose sum is 221671296
The reverse of 129462990 is 099264921
Previous prime number is 97
Is Prime? no
Number parity even
Number length 9
Sum of Digits 42
Digital Root 6
Name
one hundred twenty-nine million four hundred sixty-two thousand nine hundred ninety
Scientific notation
1.29462990 × 10^8
Engineering notation
1.29462990 × 10^6
Prime Factorization
2 × 15 × 17 × 97 × 2617
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
129462990
Product of the distinct prime numbers
The prime factorization of 129462990 is 2 × 15 × 17 × 97 × 2617.
Since it has a total of 5 prime factors.
6 , 4 , 97 , 62 , 28 , 935 , 9088 , 96 , 89607 , 10471 , 59497 , 678425 , 8846206 , 9526702 , 40774487 , 83954347 , 453576934 , 988225917 , 6832931178 , 3241446579
n×2
258925980
n×3
388388970
n×4
517851960
n×5
647314950
n÷2
64731495
n÷3
43154330
n÷3
32365747.5
n÷5
25892598
n2
16760665779740100
n3
2.1698859062358E+24
n4
2.8091991738015E+32
n5
3.6368732454587E+40
2 √n
11378.180434498
3 √n
505.8812049598
4 √n
106.66855410335
5 √n
41.920757976525
1 , 2 , 15 , 17 , 30 , 34 , 97 , 194 , 255 , 510 , 1455 , 1649 , 2617 , 2910 , 3298 , 5234 , 24735 , 39255 , 44489 , 49470 , 78510 , 88978 , 253849 , 507698 , 667335 , 1334670 , 3807735 , 4315433 , 7615470 , 8630866 , 64731495 , 129462990
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
-129462989
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 129462990 can be divided by 32 positive divisors.
The sum of these divisors (counting 129462990) is 1, the average is 0.03125.
Base
System
Value
2
Binary
111101101110111001011001110
3
Ternary
100000121101211120
4
Quaternary
13231313023032
5
Quinary
231120303430
6
Senary
20502501410
8
Octal
755671316
10
Decimal
129462990
12
Duodecimal
37434866
16
Hexadecimal
7b772ce
20
Vigesimal
2092h9a
36
Base36
252ua6
md5
cd2cd2c82d9663d7adb13e94edd0e6f2
sha1
ece33c1d183bae4ec0ac95a02d09c0a2f14b3350
sha256
4e3add0249f1683c514a0926f2272a11cfa5aa9cc085e53393de6138d197cd6d
sha512
24881e244708f913a09dedd997f33511ed633965960d8e132aaa1a68d7fb403526c872389a68b3e3004361112d49eeddee0cb947d3f9804f4dbf47a750d0bd1d
ripemd-160
90ae0c61dfeae6acbb2e545a9658f07c2e8cac29
Diameter
258925980
Circumference
813439956.59154
Area
5.2655184482905E+16
Volume
9.0891968295447E+24
Surface area
2.1062073793162E+17
Circumference
813439956.59154
Perimeter
517851960
Area
16760665779740100
Diagonal
183088316.28337
Surface area
100563994678440600
Volume
2.1698859062358E+24
Space diagonal
224236476.37978
Perimeter
388388970
Area
7.2575811747977E+15
Altitude
112118238.18989
Surface area
7.2575811747977E+15
Volume
2.5572350645008E+23
Height
61029438.761124