129780990 (number)

129780990 is an even 9-digits composite number following 129780989 and preceding 129780991. In scientific notation, it is written as 1.29780990 × 10^8. The sum of its digits is 45. It has a total of 5 prime factors and 32 positive divisors. There are 33763200 positive integers (up to 129780990) that are relatively prime to 129780990.

Interesting facts

Basic properties

Name

Name one hundred twenty-nine million seven hundred eighty thousand nine hundred ninety

Notation

Scientific notation 1.29780990 × 10^8
Engineering notation 1.29780990 × 10^6

Prime Factorization of 129780990

Prime Factorization 2 × 9 × 5 × 41 × 35171

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 129780990
Product of the distinct prime numbers

The prime factorization of 129780990 is 2 × 9 × 5 × 41 × 35171. Since it has a total of 5 prime factors.

Most popular turbo-numbers

1, 2, 78, 71, 207, 528, 8908, 1193, 37157, 73486, 189899, 564046, 9328249, 3601546, 83378664, 67770783, 136347338, 448344969, 4709290195, 224991557

Basic calculations (n = 129780990)

Multiplication

n×y
n×2 259561980
n×3 389342970
n×4 519123960
n×5 648904950

Division

n÷y
n÷2 64890495
n÷3 43260330
n÷3 32445247.5
n÷5 25956198

Exponentiation

ny
n2 16843105365380100
n3 2.1859148889933E+24
n4 2.836901983493E+32
n5 3.6817594795068E+40

Nth Root

y√n
2√n 11392.1459787
3√n 506.29506503266
4√n 106.7339963587
5√n 41.941331767576

Divisors of 129780990

1, 2, 5, 9, 10, 18, 41, 45, 82, 90, 205, 369, 410, 738, 1845, 3690, 35171, 70342, 175855, 316539, 351710, 633078, 1442011, 1582695, 2884022, 3165390, 7210055, 12978099, 14420110, 25956198, 64890495, 129780990

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 -129780989
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 129780990 can be divided by 32 positive divisors. The sum of these divisors (counting 129780990) is 1, the average is 0.03125.

Base conversion 129780990

Base System Value
2 Binary 111101111000100110011111110
3 Ternary 100001012120001100
4 Quaternary 13233010303332
5 Quinary 231210442430
6 Senary 20513353530
8 Octal 757046376
10 Decimal 129780990
12 Duodecimal 375688a6
16 Hexadecimal 7bc4cfe
20 Vigesimal 20b2c9a
36 Base36 259nni

Cryptographic Hash Functions

md5 da6ca9f56d332a8de1bcae8a3acbfed1
sha1 7d8dd00511e7ba5c41231afbd0811c5b764406d1
sha256 e5fadcb4e20d1c0a3af9c97182ca3d7386c570eb3d15a4c502be3d68230e5e98
sha512 f03b25cabb9365bb0c1fdb249574d37293eb4f7761397a6b16c94de888b8199565726e36672d8e7336175545b1b82fc89c9a0020b1d07233ed923fa14ac8c335
ripemd-160 18b44a735d0a64ea77a2ed464b993f3f79915ffb

129780990 as geometric shapes

Circle

Radius = n
Diameter 259561980
Circumference 815438009.51922
Area 5.2914176079517E+16

Sphere

Radius = n
Volume 9.156338875512E+24
Surface area 2.1165670431807E+17
Circumference 815438009.51922

Square

Length = n
Perimeter 519123960
Area 16843105365380100
Diagonal 183538036.19621

Cube

Length = n
Surface area 101058632192280600
Volume 2.1859148889933E+24
Space diagonal 224787268.53659

Equilateral Triangle

Length = n
Perimeter 389342970
Area 7.2932785625186E+15
Altitude 112393634.26829

Triangular Pyramid

Length = n
Surface area 7.2932785625186E+15
Volume 2.5761254018397E+23
Height 61179345.398736