126987289 (number)

126987289 is an odd 9-digits composite number following 126987288 and preceding 126987290. In scientific notation, it is written as 1.26987289 × 10^8. The sum of its digits is 52. It has a total of 4 prime factors and 16 positive divisors. There are 105572160 positive integers (up to 126987289) that are relatively prime to 126987289.

Interesting facts

Basic properties

Name

Name one hundred twenty-six million nine hundred eighty-seven thousand two hundred eighty-nine

Notation

Scientific notation 1.26987289 × 10^8
Engineering notation 1.26987289 × 10^6

Prime Factorization of 126987289

Prime Factorization 13 × 11 × 109 × 8147

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 126987289
Product of the distinct prime numbers

The prime factorization of 126987289 is 13 × 11 × 109 × 8147. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 126987289)

Multiplication

n×y
n×2 253974578
n×3 380961867
n×4 507949156
n×5 634936445

Division

n÷y
n÷2 63493644.5
n÷3 42329096.333333
n÷3 31746822.25
n÷5 25397457.8

Exponentiation

ny
n2 16125771567569521
n3 2.0477680143989E+24
n4 2.6004050864943E+32
n5 3.3021839223573E+40

Nth Root

y√n
2√n 11268.863696043
3√n 502.63579937392
4√n 106.15490424866
5√n 41.759188485202

Divisors of 126987289

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 -126987288
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 126987289 can be divided by 16 positive divisors. The sum of these divisors (counting 126987289) is 1, the average is 0.0625.

Base conversion 126987289

Base System Value
2 Binary 111100100011010110000011001
3 Ternary 22211221121210221
4 Quaternary 13210122300121
5 Quinary 230002043124
6 Senary 20333440041
8 Octal 744326031
10 Decimal 126987289
12 Duodecimal 36640021
16 Hexadecimal 791ac19
20 Vigesimal 1jdd849
36 Base36 23ls0p

Cryptographic Hash Functions

md5 694bb928526a4c6b051cdf78f3d0e7c1
sha1 c2a46551e65c58eec42275ddadd0005bea420859
sha256 4ccd1812c7054e4816a058c31fc139df0acfb4e3fa93f9667014b6b06f39e022
sha512 98fa93213c3e741e97b6f5aca33c706344771a20eb8b28a495aa71c9b6c7c6c5bf501c03e5c3b94c94b6e48c879f321913cee4ad2ca006380bbfd1f7e37161a1
ripemd-160 7186155bbdfcce9c13a4fbf2e321839f4b95de8a

126987289 as geometric shapes

Circle

Radius = n
Diameter 253974578
Circumference 797884668.44337
Area 5.0660605490144E+16

Sphere

Radius = n
Volume 8.5776706003891E+24
Surface area 2.0264242196057E+17
Circumference 797884668.44337

Square

Length = n
Perimeter 507949156
Area 16125771567569521
Diagonal 179587146.35279

Cube

Length = n
Surface area 96754629405417126
Volume 2.0477680143989E+24
Space diagonal 219948436.46343

Equilateral Triangle

Length = n
Perimeter 380961867
Area 6.98266391657E+15
Altitude 109974218.23172

Triangular Pyramid

Length = n
Surface area 6.98266391657E+15
Volume 2.4133177487973E+23
Height 59862382.117597