126987261 (number)

126987261 is an odd 9-digits composite number following 126987260 and preceding 126987262. In scientific notation, it is written as 1.26987261 × 10^8. The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors. There are 83638032 positive integers (up to 126987261) that are relatively prime to 126987261.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.26987261 × 10^8
Engineering notation 1.26987261 × 10^6

Prime Factorization of 126987261

Prime Factorization 3 × 83 × 509989

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 126987261
Product of the distinct prime numbers

The prime factorization of 126987261 is 3 × 83 × 509989. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 5, 97, 33, 319, 464, 9375, 6763, 40407, 50460, 757278, 410776, 7251095, 8024988, 25891125, 20704896, 242674639, 495493932, 834032219, 6776012903

Basic calculations (n = 126987261)

Multiplication

n×y
n×2 253974522
n×3 380961783
n×4 507949044
n×5 634936305

Division

n÷y
n÷2 63493630.5
n÷3 42329087
n÷3 31746815.25
n÷5 25397452.2

Exponentiation

ny
n2 16125764456282121
n3 2.0477666598344E+24
n4 2.6004027929949E+32
n5 3.3021802817917E+40

Nth Root

y√n
2√n 11268.862453682
3√n 502.6357624311
4√n 106.15489839702
5√n 41.759186643667

Divisors of 126987261

1, 3, 83, 249, 509989, 1529967, 42329087, 126987261

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -126987260
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 126987261 can be divided by 8 positive divisors. The sum of these divisors (counting 126987261) is 1, the average is 0.125.

Base conversion 126987261

Base System Value
2 Binary 111100100011010101111111101
3 Ternary 22211221121202220
4 Quaternary 13210122233331
5 Quinary 230002043021
6 Senary 20333435553
8 Octal 744325775
10 Decimal 126987261
12 Duodecimal 3663bbb9
16 Hexadecimal 791abfd
20 Vigesimal 1jdd831
36 Base36 23lrzx

Cryptographic Hash Functions

md5 1290b26cc857c3e56d0790b8f7c83b7d
sha1 6fe9c19f25ac6a9b3cd10a86bf85ae831b18ca0f
sha256 96a3292ccf20549be63b27b22d82ef4dd77a61485abd4b2218cf17821db3af3d
sha512 f4efcf81cd47e0243c16d80b8e0092870c5bab9368d06cbfb8f8ca57839ed049eb6155fc2c69a189621dc92576324039bddc4e93431901543f07c8331bc2b9c1
ripemd-160 f703423dc326fc2854051161f4b0860399167b5d

126987261 as geometric shapes

Circle

Radius = n
Diameter 253974522
Circumference 797884492.51418
Area 5.0660583149375E+16

Sphere

Radius = n
Volume 8.5776649264026E+24
Surface area 2.026423325975E+17
Circumference 797884492.51418

Square

Length = n
Perimeter 507949044
Area 16125764456282121
Diagonal 179587106.75481

Cube

Length = n
Surface area 96754586737692726
Volume 2.0477666598344E+24
Space diagonal 219948387.96601

Equilateral Triangle

Length = n
Perimeter 380961783
Area 6.9826608372922E+15
Altitude 109974193.983

Triangular Pyramid

Length = n
Surface area 6.9826608372922E+15
Volume 2.4133161524277E+23
Height 59862368.918271