129778728 (number)

129778728 is an even 9-digits composite number following 129778727 and preceding 129778729. In scientific notation, it is written as 1.29778728 × 10^8. The sum of its digits is 51. It has a total of 5 prime factors and 16 positive divisors. There are 43259568 positive integers (up to 129778728) that are relatively prime to 129778728.

Interesting facts

Basic properties

Name

Name one hundred twenty-nine million seven hundred seventy-eight thousand seven hundred twenty-eight

Notation

Scientific notation 1.29778728 × 10^8
Engineering notation 1.29778728 × 10^6

Prime Factorization of 129778728

Prime Factorization 2 × 2 × 2 × 3 × 5407447

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 32444682
Product of the distinct prime numbers

The prime factorization of 129778728 is 2 × 2 × 2 × 3 × 5407447. Since it has a total of 5 prime factors.

Most popular turbo-numbers

10, 9, 35, 38, 738, 264, 1956, 1522, 45607, 29292, 951974, 530680, 5920231, 5333888, 76193121, 41252814, 251464323, 155141042, 8372054330, 1293658366

Basic calculations (n = 129778728)

Multiplication

n×y
n×2 259557456
n×3 389336184
n×4 519114912
n×5 648893640

Division

n÷y
n÷2 64889364
n÷3 43259576
n÷3 32444682
n÷5 25955745.6

Exponentiation

ny
n2 16842518241297984
n3 2.1858005936724E+24
n4 2.8367042070846E+32
n5 3.6814386370768E+40

Nth Root

y√n
2√n 11392.046699342
3√n 506.29212354873
4√n 106.73353127927
5√n 41.941185564416

Divisors of 129778728

1, 2, 3, 4, 6, 8, 12, 24, 5407447, 10814894, 16222341, 21629788, 32444682, 43259576, 64889364, 129778728

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 -129778727
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 129778728 can be divided by 16 positive divisors. The sum of these divisors (counting 129778728) is 1, the average is 0.0625.

Base conversion 129778728

Base System Value
2 Binary 111101111000100010000101000
3 Ternary 100001012102221120
4 Quaternary 13233010100220
5 Quinary 231210404403
6 Senary 20513335240
8 Octal 757042050
10 Decimal 129778728
12 Duodecimal 37567520
16 Hexadecimal 7bc4428
20 Vigesimal 20b26g8
36 Base36 259lwo

Cryptographic Hash Functions

md5 91468bf0670e5391002cb72a5a91a50d
sha1 cbd0f42a5f825704a3ed2a6852c4a92d152e5d0e
sha256 fc59d0dcfbe084856abb5ad7be79229f4ac607a262d6017f5169e73fe3cc3742
sha512 89863e2928b949ec529f10a61bc6b2676f7c4514e1e0fe7c060e16b7bb825c96ee3589c264077cb2ac37edb709fbf96cc82d8307bdbc7105e2f94868b07a46a4
ripemd-160 bb473cf95e1643b5c7f892f8e296932fd5d5c586

129778728 as geometric shapes

Circle

Radius = n
Diameter 259557456
Circumference 815423796.95406
Area 5.2912331574814E+16

Sphere

Radius = n
Volume 9.1558601163914E+24
Surface area 2.1164932629926E+17
Circumference 815423796.95406

Square

Length = n
Perimeter 519114912
Area 16842518241297984
Diagonal 183534837.24513

Cube

Length = n
Surface area 101055109447787904
Volume 2.1858005936724E+24
Space diagonal 224783350.63766

Equilateral Triangle

Length = n
Perimeter 389336184
Area 7.2930243303334E+15
Altitude 112391675.31883

Triangular Pyramid

Length = n
Surface area 7.2930243303334E+15
Volume 2.5759907035123E+23
Height 61178279.08171