1287968 (number)

1287968 is an even 7-digits composite number following 1287967 and preceding 1287969. In scientific notation, it is written as 1.287968 × 10^6. The sum of its digits is 41. It has a total of 7 prime factors and 24 positive divisors. There are 585280 positive integers (up to 1287968) that are relatively prime to 1287968.

Interesting facts

Basic properties

Name

Name one million two hundred eighty-seven thousand nine hundred sixty-eight

Notation

Scientific notation 1.287968 × 10^6
Engineering notation 1.287968 × 10^6

Prime Factorization of 1287968

Prime Factorization 2 × 2 × 2 × 2 × 2 × 11 × 3659

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 80498
Product of the distinct prime numbers

The prime factorization of 1287968 is 2 × 2 × 2 × 2 × 2 × 11 × 3659. Since it has a total of 7 prime factors.

Most popular turbo-numbers

9, 6, 29, 97, 342, 2, 711, 6293, 3945, 65482, 836697, 532820, 7693943, 8829345, 65927390, 85083081, 96834340, 430866795, 5075565495, 6975519806

Basic calculations (n = 1287968)

Multiplication

n×y
n×2 2575936
n×3 3863904
n×4 5151872
n×5 6439840

Division

n÷y
n÷2 643984
n÷3 429322.66666667
n÷3 321992
n÷5 257593.6

Exponentiation

ny
n2 1658861569024
n3 2136560617332703232
n4 2.7518217051848E+24
n5 3.5442582979834E+30

Nth Root

y√n
2√n 1134.8867784938
3√n 108.80153544546
4√n 33.688080659096
5√n 16.671743295732

Divisors of 1287968

1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 176, 352, 3659, 7318, 14636, 29272, 40249, 58544, 80498, 117088, 160996, 321992, 643984, 1287968

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -1287967
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1287968 can be divided by 24 positive divisors. The sum of these divisors (counting 1287968) is 1, the average is 0.041666666666667.

Base conversion 1287968

Base System Value
2 Binary 100111010011100100000
3 Ternary 2102102202112
4 Quaternary 10322130200
5 Quinary 312203333
6 Senary 43334452
8 Octal 4723440
10 Decimal 1287968
12 Duodecimal 521428
16 Hexadecimal 13a720
20 Vigesimal 80ji8
36 Base36 rlsw

Cryptographic Hash Functions

md5 ec204379024c43d0a3199a51f738d60d
sha1 7eec27dc01a48fe68b27ead627e8f68255ef20e4
sha256 fb8b544d04f148f98bbc04be672e111671c0c917905d329d213f0b091dea0539
sha512 54a89cd17f6b6eebbada14a00b7fc0b85e525e35ac871b7d80380fd6fe8627229a884c0c09503fb5dc2ba05a6d2c3f7020b734f351330baa594770e1815b16df
ripemd-160 15b620450d16ce6c1969414f3a5c8b7784cf14f8

1287968 as geometric shapes

Circle

Radius = n
Diameter 2575936
Circumference 8092541.6137175
Area 5211467318568.2

Sphere

Radius = n
Volume 8.9496041858156E+18
Surface area 20845869274273
Circumference 8092541.6137175

Square

Length = n
Perimeter 5151872
Area 1658861569024
Diagonal 1821461.8135026

Cube

Length = n
Surface area 9953169414144
Volume 2136560617332703232
Space diagonal 2230826.0145229

Equilateral Triangle

Length = n
Perimeter 3863904
Area 718308130068.25
Altitude 1115413.0072614

Triangular Pyramid

Length = n
Surface area 718308130068.25
Volume 2.5179608348868E+17
Height 607153.93783418