1281288 (number)

1281288 is an even 7-digits composite number following 1281287 and preceding 1281289. In scientific notation, it is written as 1.281288 × 10^6. The sum of its digits is 30. It has a total of 6 prime factors and 32 positive divisors. There are 423360 positive integers (up to 1281288) that are relatively prime to 1281288.

Interesting facts

Basic properties

Name

Name one million two hundred eighty-one thousand two hundred eighty-eight

Notation

Scientific notation 1.281288 × 10^6
Engineering notation 1.281288 × 10^6

Prime Factorization of 1281288

Prime Factorization 2 × 2 × 2 × 3 × 197 × 271

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 320322
Product of the distinct prime numbers

The prime factorization of 1281288 is 2 × 2 × 2 × 3 × 197 × 271. Since it has a total of 6 prime factors.

Most popular turbo-numbers

2, 7, 84, 19, 508, 534, 1004, 7368, 41826, 2207, 647494, 195578, 755350, 7308078, 50697894, 81286958, 617301274, 238136016, 4294420916, 4556834210

Basic calculations (n = 1281288)

Multiplication

n×y
n×2 2562576
n×3 3843864
n×4 5125152
n×5 6406440

Division

n÷y
n÷2 640644
n÷3 427096
n÷3 320322
n÷5 256257.6

Exponentiation

ny
n2 1641698938944
n3 2103489150081679872
n4 2.6951754061299E+24
n5 3.4532959057693E+30

Nth Root

y√n
2√n 1131.9399277347
3√n 108.61311089163
4√n 33.644314939298
5√n 16.654413826723

Divisors of 1281288

1, 2, 3, 4, 6, 8, 12, 24, 197, 271, 394, 542, 591, 788, 813, 1084, 1182, 1576, 1626, 2168, 2364, 3252, 4728, 6504, 53387, 106774, 160161, 213548, 320322, 427096, 640644, 1281288

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 -1281287
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 1281288 can be divided by 32 positive divisors. The sum of these divisors (counting 1281288) is 1, the average is 0.03125.

Base conversion 1281288

Base System Value
2 Binary 100111000110100001000
3 Ternary 2102002121010
4 Quaternary 10320310020
5 Quinary 312000123
6 Senary 43243520
8 Octal 4706410
10 Decimal 1281288
12 Duodecimal 5195a0
16 Hexadecimal 138d08
20 Vigesimal 80348
36 Base36 rgnc

Cryptographic Hash Functions

md5 9c1e19801940b49388c1695120c47cc1
sha1 33117fe60a3f7cef111f3d1872c2157b91deb29c
sha256 5c8b5d0f3a5971ec587af8fde6e7c304de256ccb094dc1f13de9f292609a35f6
sha512 63be2c6f2cf1162efe890e457b770068c6760cf8eccd4f34fcb737b49ec883d3c8fa3085f364dfb65b7e0ef58f017e4d4a735786bcfb439d83821ee8f9579450
ripemd-160 3f8fab81ae14e846b81afa977c5fc62246be8de3

1281288 as geometric shapes

Circle

Radius = n
Diameter 2562576
Circumference 8050569.9358655
Area 5157549325992.6

Sphere

Radius = n
Volume 8.8110747477366E+18
Surface area 20630197303971
Circumference 8050569.9358655

Square

Length = n
Perimeter 5125152
Area 1641698938944
Diagonal 1812014.8669059

Cube

Length = n
Surface area 9850193633664
Volume 2103489150081679872
Space diagonal 2219255.9151283

Equilateral Triangle

Length = n
Perimeter 3843864
Area 710876493245.73
Altitude 1109627.9575642

Triangular Pyramid

Length = n
Surface area 710876493245.73
Volume 2.4789857369585E+17
Height 604004.9556353