126987281 (number)

126987281 is an odd 9-digits prime number following 126987280 and preceding 126987282. In scientific notation, it is written as 1.26987281 × 10^8. The sum of its digits is 44. It has a total of 1 prime factors and 2 positive divisors. There are 126987280 positive integers (up to 126987281) that are relatively prime to 126987281.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.26987281 × 10^8
Engineering notation 1.26987281 × 10^6

Prime Factorization of 126987281

Prime Factorization 126987281

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 126987281
Product of the distinct prime numbers

The prime factorization of 126987281 is 126987281. Since it has a total of 1 prime factors.

Most popular turbo-numbers

1, 7, 61, 14, 351, 624, 108, 5756, 12739, 31132, 194197, 455550, 5966942, 3145099, 40970426, 79252985, 783155939, 844086322, 9010260795, 8658934002

Basic calculations (n = 126987281)

Multiplication

n×y
n×2 253974562
n×3 380961843
n×4 507949124
n×5 634936405

Division

n÷y
n÷2 63493640.5
n÷3 42329093.666667
n÷3 31746820.25
n÷5 25397456.2

Exponentiation

ny
n2 16125769535772961
n3 2.0477676273804E+24
n4 2.6004044312086E+32
n5 3.3021828821954E+40

Nth Root

y√n
2√n 11268.863341083
3√n 502.63578881883
4√n 106.15490257677
5√n 41.759187959049

Divisors of 126987281

1, 126987281

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 126987282
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 63493641
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 11268.863385453
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999842504
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 126987281 can be divided by 2 positive divisors. The sum of these divisors (counting 126987281) is 126987282, the average is 63493641.

Base conversion 126987281

Base System Value
2 Binary 111100100011010110000010001
3 Ternary 22211221121210122
4 Quaternary 13210122300101
5 Quinary 230002043111
6 Senary 20333440025
8 Octal 744326021
10 Decimal 126987281
12 Duodecimal 36640015
16 Hexadecimal 791ac11
20 Vigesimal 1jdd841
36 Base36 23ls0h

Cryptographic Hash Functions

md5 5d31e1213d17f681d30245996554d81d
sha1 c2c12dffd259f8d272877614a023379746bfb81d
sha256 29ba1be3add9a299785babed282aab10b356844ed7fd190bc55748b828bb8398
sha512 57098a4d1e38aa7df4eb5c60fe1bd6c4f0fcbf60ae8c5eca8714bbd952177c3cf28acb05bc62195cc06985a7dd9a71fac956727e2bbd35af321c8e53bf528ccf
ripemd-160 895e02142549a2763be8d1228b2aa4f4b9be1b5a

126987281 as geometric shapes

Circle

Radius = n
Diameter 253974562
Circumference 797884618.17789
Area 5.0660599107066E+16

Sphere

Radius = n
Volume 8.5776689792499E+24
Surface area 2.0264239642827E+17
Circumference 797884618.17789

Square

Length = n
Perimeter 507949124
Area 16125769535772961
Diagonal 179587135.03908

Cube

Length = n
Surface area 96754617214637766
Volume 2.0477676273804E+24
Space diagonal 219948422.60703

Equilateral Triangle

Length = n
Perimeter 380961843
Area 6.9826630367763E+15
Altitude 109974211.30351

Triangular Pyramid

Length = n
Surface area 6.9826630367763E+15
Volume 2.4133172926917E+23
Height 59862378.346361