126987642 (number)

126987642 is an even 9-digits composite number following 126987641 and preceding 126987643. In scientific notation, it is written as 1.26987642 × 10^8. The sum of its digits is 45. It has a total of 5 prime factors and 32 positive divisors. There are 42223680 positive integers (up to 126987642) that are relatively prime to 126987642.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.26987642 × 10^8
Engineering notation 1.26987642 × 10^6

Prime Factorization of 126987642

Prime Factorization 2 × 3 × 9 × 433 × 5431

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 126987642
Product of the distinct prime numbers

The prime factorization of 126987642 is 2 × 3 × 9 × 433 × 5431. Since it has a total of 5 prime factors.

Most popular turbo-numbers

8, 2, 51, 21, 48, 582, 7485, 4419, 12075, 22898, 618539, 410047, 4859586, 5268892, 18362231, 47160109, 423663963, 319148157, 647852689, 1145640219

Basic calculations (n = 126987642)

Multiplication

n×y
n×2 253975284
n×3 380962926
n×4 507950568
n×5 634938210

Division

n÷y
n÷2 63493821
n÷3 42329214
n÷3 31746910.5
n÷5 25397528.4

Exponentiation

ny
n2 16125861220720164
n3 2.0477850916385E+24
n4 2.6004340010993E+32
n5 3.3022298197622E+40

Nth Root

y√n
2√n 11268.879358659
3√n 502.63626511678
4√n 106.15497802109
5√n 41.759211701663

Divisors of 126987642

1, 2, 3, 6, 9, 18, 27, 54, 433, 866, 1299, 2598, 3897, 5431, 7794, 10862, 11691, 16293, 23382, 32586, 48879, 97758, 146637, 293274, 2351623, 4703246, 7054869, 14109738, 21164607, 42329214, 63493821, 126987642

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -126987641
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 126987642 can be divided by 32 positive divisors. The sum of these divisors (counting 126987642) is 1, the average is 0.03125.

Base conversion 126987642

Base System Value
2 Binary 111100100011010110101111010
3 Ternary 22211221122022000
4 Quaternary 13210122311322
5 Quinary 230002101032
6 Senary 20333441430
8 Octal 744326572
10 Decimal 126987642
12 Duodecimal 36640276
16 Hexadecimal 791ad7a
20 Vigesimal 1jdd922
36 Base36 23lsai

Cryptographic Hash Functions

md5 51743cba830e1ae68e4cdc3795d392be
sha1 908a217e5429f90fdc9ac6dc92b5e3d6cccebc70
sha256 aed82de62416b8b836a4f4eed356514811356de4346318e8438342ecd1806ec0
sha512 b0d553bf26205f32f21b62c12671b01e1cc7d1e94c14adc59804de1dddf0304054c3e352d191122d7b4ae3e11894927be137c128afd0e33fcb4f90425fa00ee9
ripemd-160 ffcd0752978050e9578ca3af81826366244cfc5d

126987642 as geometric shapes

Circle

Radius = n
Diameter 253975284
Circumference 797886886.40778
Area 5.0660887143823E+16

Sphere

Radius = n
Volume 8.5777421333629E+24
Surface area 2.0264354857529E+17
Circumference 797886886.40778

Square

Length = n
Perimeter 507950568
Area 16125861220720164
Diagonal 179587645.57018

Cube

Length = n
Surface area 96755167324320984
Volume 2.0477850916385E+24
Space diagonal 219949047.87737

Equilateral Triangle

Length = n
Perimeter 380962926
Area 6.982702737523E+15
Altitude 109974523.93868

Triangular Pyramid

Length = n
Surface area 6.982702737523E+15
Volume 2.4133378745172E+23
Height 59862548.523393