129661490 (number)

129661490 is an even 9-digits composite number following 129661489 and preceding 129661491. In scientific notation, it is written as 1.29661490 × 10^8. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 44455344 positive integers (up to 129661490) that are relatively prime to 129661490.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.29661490 × 10^8
Engineering notation 1.29661490 × 10^6

Prime Factorization of 129661490

Prime Factorization 2 × 35 × 1852307

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 129661490
Product of the distinct prime numbers

The prime factorization of 129661490 is 2 × 35 × 1852307. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 4, 84, 5, 796, 911, 2596, 9798, 93165, 30018, 708033, 836130, 4048264, 2586238, 35810062, 88710400, 531596749, 374977338, 8607032835, 8767748724

Basic calculations (n = 129661490)

Multiplication

n×y
n×2 259322980
n×3 388984470
n×4 518645960
n×5 648307450

Division

n÷y
n÷2 64830745
n÷3 43220496.666667
n÷3 32415372.5
n÷5 25932298

Exponentiation

ny
n2 16812101989020100
n3 2.1798821939283E+24
n4 2.8264677328921E+32
n5 3.6648401768372E+40

Nth Root

y√n
2√n 11386.899929305
3√n 506.13962151824
4√n 106.70941818464
5√n 41.933605156542

Divisors of 129661490

1, 2, 35, 70, 1852307, 3704614, 64830745, 129661490

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -129661489
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 129661490 can be divided by 8 positive divisors. The sum of these divisors (counting 129661490) is 1, the average is 0.125.

Base conversion 129661490

Base System Value
2 Binary 111101110100111101000110010
3 Ternary 100000222111010102
4 Quaternary 13232213220302
5 Quinary 231143131430
6 Senary 20511032402
8 Octal 756475062
10 Decimal 129661490
12 Duodecimal 3750b702
16 Hexadecimal 7ba7a32
20 Vigesimal 20a7dea
36 Base36 2573g2

Cryptographic Hash Functions

md5 a5f4ff8b721bd31a8e51ab859f34da4c
sha1 31af497998a8a0c44cb03de8350b65dff381e970
sha256 95b78a2c617e97f3f4d2617527ca82f4ba0f1289a6cdc8ea1e72226c13facc09
sha512 9feb311d5d37bf8b0672a35b64a41a23ed54418ad028eb5b0052b22ec9a409b2892e37160a132e478036f3c328bf5b7326777b290dabcfbfdaef4bf00c454088
ripemd-160 9845db3039c8867c126b7a57e15f1183d65f4ab4

129661490 as geometric shapes

Circle

Radius = n
Diameter 259322980
Circumference 814687168.87501
Area 5.2816776100108E+16

Sphere

Radius = n
Volume 9.1310691815152E+24
Surface area 2.1126710440043E+17
Circumference 814687168.87501

Square

Length = n
Perimeter 518645960
Area 16812101989020100
Diagonal 183369037.6755

Cube

Length = n
Surface area 100872611934120600
Volume 2.1798821939283E+24
Space diagonal 224580288.46508

Equilateral Triangle

Length = n
Perimeter 388984470
Area 7.2798537067531E+15
Altitude 112290144.23254

Triangular Pyramid

Length = n
Surface area 7.2798537067531E+15
Volume 2.5690158025242E+23
Height 61123012.558501