129781490 (number)

129781490 is an even 9-digits composite number following 129781489 and preceding 129781491. In scientific notation, it is written as 1.29781490 × 10^8. The sum of its digits is 41. It has a total of 4 prime factors and 16 positive divisors. There are 51858480 positive integers (up to 129781490) that are relatively prime to 129781490.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.29781490 × 10^8
Engineering notation 1.29781490 × 10^6

Prime Factorization of 129781490

Prime Factorization 2 × 5 × 1039 × 12491

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 129781490
Product of the distinct prime numbers

The prime factorization of 129781490 is 2 × 5 × 1039 × 12491. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 8, 24, 64, 559, 603, 2976, 3334, 15671, 66046, 715215, 533973, 6555732, 118600, 79222266, 77559521, 880333822, 30759309, 1317950278, 417955907

Basic calculations (n = 129781490)

Multiplication

n×y
n×2 259562980
n×3 389344470
n×4 519125960
n×5 648907450

Division

n÷y
n÷2 64890745
n÷3 43260496.666667
n÷3 32445372.5
n÷5 25956298

Exponentiation

ny
n2 16843235146620100
n3 2.1859401537487E+24
n4 2.8369457020434E+32
n5 3.6818304026029E+40

Nth Root

y√n
2√n 11392.167923622
3√n 506.29571522344
4√n 106.73409916059
5√n 41.941364084533

Divisors of 129781490

1, 2, 5, 10, 1039, 2078, 5195, 10390, 12491, 24982, 62455, 124910, 12978149, 25956298, 64890745, 129781490

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 -129781489
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 129781490 can be divided by 16 positive divisors. The sum of these divisors (counting 129781490) is 1, the average is 0.0625.

Base conversion 129781490

Base System Value
2 Binary 111101111000100111011110010
3 Ternary 100001012120201212
4 Quaternary 13233010323302
5 Quinary 231211001430
6 Senary 20513400122
8 Octal 757047362
10 Decimal 129781490
12 Duodecimal 37569042
16 Hexadecimal 7bc4ef2
20 Vigesimal 20b2dea
36 Base36 259o1e

Cryptographic Hash Functions

md5 b539c39d02ff1dc7ccc6f7e242a6421f
sha1 cd96fff1d8c76bdfcd2513623f8ad35cf5d8750f
sha256 6c57f599b4c3e32f21d6e547e2bf48c10d4ed7d208e4a76b74a474e42d0936d6
sha512 0af9fcd1e9af5c5d5b6ff5b6eba25d47e15ec131b0d6caeb14eb19678e08b34b131a44caaf1b194ff58f6753565bd359fdd01448b6d52acf3f5debf140d8c9f0
ripemd-160 693282a377a7e55a3d4efb2c7f1e28554a40fb3f

129781490 as geometric shapes

Circle

Radius = n
Diameter 259562980
Circumference 815441151.11187
Area 5.2914583799307E+16

Sphere

Radius = n
Volume 9.1564447042719E+24
Surface area 2.1165833519723E+17
Circumference 815441151.11187

Square

Length = n
Perimeter 519125960
Area 16843235146620100
Diagonal 183538743.30299

Cube

Length = n
Surface area 101059410879720600
Volume 2.1859401537487E+24
Space diagonal 224788134.56199

Equilateral Triangle

Length = n
Perimeter 389344470
Area 7.293334759444E+15
Altitude 112394067.281

Triangular Pyramid

Length = n
Surface area 7.293334759444E+15
Volume 2.5761551766395E+23
Height 61179581.100996