126987161 (number)

126987161 is an odd 9-digits composite number following 126987160 and preceding 126987162. In scientific notation, it is written as 1.26987161 × 10^8. The sum of its digits is 41. It has a total of 4 prime factors and 16 positive divisors. There are 102119424 positive integers (up to 126987161) that are relatively prime to 126987161.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.26987161 × 10^8
Engineering notation 1.26987161 × 10^6

Prime Factorization of 126987161

Prime Factorization 7 × 353 × 17 × 3023

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 126987161
Product of the distinct prime numbers

The prime factorization of 126987161 is 7 × 353 × 17 × 3023. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 2, 68, 99, 75, 147, 3520, 1304, 6246, 17416, 120796, 538271, 6663248, 8348050, 41125548, 36499107, 579280404, 921534798, 4867791098, 2255688967

Basic calculations (n = 126987161)

Multiplication

n×y
n×2 253974322
n×3 380961483
n×4 507948644
n×5 634935805

Division

n÷y
n÷2 63493580.5
n÷3 42329053.666667
n÷3 31746790.25
n÷5 25397432.2

Exponentiation

ny
n2 16125739058839921
n3 2.0477618221089E+24
n4 2.600394601938E+32
n5 3.3021672797983E+40

Nth Root

y√n
2√n 11268.858016676
3√n 502.63563049244
4√n 106.15487749828
5√n 41.759180066756

Divisors of 126987161

1, 7, 17, 119, 353, 2471, 3023, 6001, 21161, 42007, 51391, 359737, 1067119, 7469833, 18141023, 126987161

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 -126987160
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 126987161 can be divided by 16 positive divisors. The sum of these divisors (counting 126987161) is 1, the average is 0.0625.

Base conversion 126987161

Base System Value
2 Binary 111100100011010101110011001
3 Ternary 22211221121122012
4 Quaternary 13210122232121
5 Quinary 230002042121
6 Senary 20333435305
8 Octal 744325631
10 Decimal 126987161
12 Duodecimal 3663bb35
16 Hexadecimal 791ab99
20 Vigesimal 1jdd7i1
36 Base36 23lrx5

Cryptographic Hash Functions

md5 e7d5694ca8e4ee611f837c7a95798e9e
sha1 872de0b824e65064e13d67190ef04dd3bbfc2d7e
sha256 03fc9b18b70f167997c5e2c9b2d205ba3b41ebd66524d2fcbdb081a63cff2d1e
sha512 a1821265aeebb360c372f2e7f854eb29a2cab8e43f251cf1ad7a8fc42c94fec041b0f43e5a86749598e1724e889a2a03443b4cf2b1c4edded6c8b26a2bc292e1
ripemd-160 f8ca4581064e02ffc5b8d06c68cad52de057fb90

126987161 as geometric shapes

Circle

Radius = n
Diameter 253974322
Circumference 797883864.19565
Area 5.0660503360957E+16

Sphere

Radius = n
Volume 8.5776446621853E+24
Surface area 2.0264201344383E+17
Circumference 797883864.19565

Square

Length = n
Perimeter 507948644
Area 16125739058839921
Diagonal 179586965.33346

Cube

Length = n
Surface area 96754434353039526
Volume 2.0477618221089E+24
Space diagonal 219948214.76093

Equilateral Triangle

Length = n
Perimeter 380961483
Area 6.9826498398772E+15
Altitude 109974107.38046

Triangular Pyramid

Length = n
Surface area 6.9826498398772E+15
Volume 2.4133104511135E+23
Height 59862321.777819