129856491 (number)

129856491 is an odd 9-digits composite number following 129856490 and preceding 129856492. In scientific notation, it is written as 1.29856491 × 10^8. The sum of its digits is 45. It has a total of 4 prime factors and 12 positive divisors. There are 86513616 positive integers (up to 129856491) that are relatively prime to 129856491.

Interesting facts

Basic properties

Name

Name one hundred twenty-nine million eight hundred fifty-six thousand four hundred ninety-one

Notation

Scientific notation 1.29856491 × 10^8
Engineering notation 1.29856491 × 10^6

Prime Factorization of 129856491

Prime Factorization 3 × 3 × 1877 × 7687

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 43285497
Product of the distinct prime numbers

The prime factorization of 129856491 is 3 × 3 × 1877 × 7687. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 1, 1, 2, 265, 637, 39, 1869, 85618, 11406, 549369, 257227, 2181296, 7918006, 32001305, 91659777, 426063633, 652758646, 6358768511, 3762716860

Basic calculations (n = 129856491)

Multiplication

n×y
n×2 259712982
n×3 389569473
n×4 519425964
n×5 649282455

Division

n÷y
n÷2 64928245.5
n÷3 43285497
n÷3 32464122.75
n÷5 25971298.2

Exponentiation

ny
n2 16862708254833081
n3 2.1897321227294E+24
n4 2.8435092968762E+32
n5 3.6924813941821E+40

Nth Root

y√n
2√n 11395.459227254
3√n 506.3932262333
4√n 106.74951628581
5√n 41.946210565106

Divisors of 129856491

1, 3, 9, 1877, 5631, 7687, 16893, 23061, 69183, 14428499, 43285497, 129856491

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -129856490
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 129856491 can be divided by 12 positive divisors. The sum of these divisors (counting 129856491) is 1, the average is 0.083333333333333.

Base conversion 129856491

Base System Value
2 Binary 111101111010111001111101011
3 Ternary 100001100101121200
4 Quaternary 13233113033223
5 Quinary 231220401431
6 Senary 20515135243
8 Octal 757271753
10 Decimal 129856491
12 Duodecimal 375a4523
16 Hexadecimal 7bd73eb
20 Vigesimal 20bc14b
36 Base36 25b9wr

Cryptographic Hash Functions

md5 36f4678e8c2a976b7441288e94a6a928
sha1 368e6044085a26a7ce23b5534d64ee85bca0d831
sha256 07c780ebce86933067e2a3227e17563d5b42fafed3bcdb403355fd584366e321
sha512 7fc48a31d29cb0ffc28be885848091cff87c3d45cbdaa341a59ee87d5062da7588ead8ed0d9e3f13e4d85b40ecdf445b5a485ebe575f7f80008f132e91d3d6c5
ripemd-160 357dbb5d2781eaa95c410657d8be7f3bf9f7621c

129856491 as geometric shapes

Circle

Radius = n
Diameter 259712982
Circumference 815912396.2931
Area 5.2975760373012E+16

Sphere

Radius = n
Volume 9.1723284667948E+24
Surface area 2.1190304149205E+17
Circumference 815912396.2931

Square

Length = n
Perimeter 519425964
Area 16862708254833081
Diagonal 183644810.73438

Cube

Length = n
Surface area 101176249528998486
Volume 2.1897321227294E+24
Space diagonal 224918040.10461

Equilateral Triangle

Length = n
Perimeter 389569473
Area 7.3017668626455E+15
Altitude 112459020.05231

Triangular Pyramid

Length = n
Surface area 7.3017668626455E+15
Volume 2.5806240549399E+23
Height 61214936.91146