129462990 (number)

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.

Interesting facts

Basic properties

Name

Name one hundred twenty-nine million four hundred sixty-two thousand nine hundred ninety

Notation

Scientific notation 1.29462990 × 10^8
Engineering notation 1.29462990 × 10^6

Prime Factorization of 129462990

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.

Most popular turbo-numbers

Basic calculations (n = 129462990)

Multiplication

n×y
n×2 258925980
n×3 388388970
n×4 517851960
n×5 647314950

Division

n÷y
n÷2 64731495
n÷3 43154330
n÷3 32365747.5
n÷5 25892598

Exponentiation

ny
n2 16760665779740100
n3 2.1698859062358E+24
n4 2.8091991738015E+32
n5 3.6368732454587E+40

Nth Root

y√n
2√n 11378.180434498
3√n 505.8812049598
4√n 106.66855410335
5√n 41.920757976525

Divisors of 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 conversion 129462990

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

Cryptographic Hash Functions

md5 cd2cd2c82d9663d7adb13e94edd0e6f2
sha1 ece33c1d183bae4ec0ac95a02d09c0a2f14b3350
sha256 4e3add0249f1683c514a0926f2272a11cfa5aa9cc085e53393de6138d197cd6d
sha512 24881e244708f913a09dedd997f33511ed633965960d8e132aaa1a68d7fb403526c872389a68b3e3004361112d49eeddee0cb947d3f9804f4dbf47a750d0bd1d
ripemd-160 90ae0c61dfeae6acbb2e545a9658f07c2e8cac29

129462990 as geometric shapes

Circle

Radius = n
Diameter 258925980
Circumference 813439956.59154
Area 5.2655184482905E+16

Sphere

Radius = n
Volume 9.0891968295447E+24
Surface area 2.1062073793162E+17
Circumference 813439956.59154

Square

Length = n
Perimeter 517851960
Area 16760665779740100
Diagonal 183088316.28337

Cube

Length = n
Surface area 100563994678440600
Volume 2.1698859062358E+24
Space diagonal 224236476.37978

Equilateral Triangle

Length = n
Perimeter 388388970
Area 7.2575811747977E+15
Altitude 112118238.18989

Triangular Pyramid

Length = n
Surface area 7.2575811747977E+15
Volume 2.5572350645008E+23
Height 61029438.761124