1281421 (number)

1281421 is an odd 7-digits composite number following 1281420 and preceding 1281422. In scientific notation, it is written as 1.281421 × 10^6. The sum of its digits is 19. It has a total of 3 prime factors and 8 positive divisors. There are 1223568 positive integers (up to 1281421) that are relatively prime to 1281421.

Interesting facts

Basic properties

Name

Name one million two hundred eighty-one thousand four hundred twenty-one

Notation

Scientific notation 1.281421 × 10^6
Engineering notation 1.281421 × 10^6

Prime Factorization of 1281421

Prime Factorization 37 × 59 × 587

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 1281421
Product of the distinct prime numbers

The prime factorization of 1281421 is 37 × 59 × 587. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 1281421)

Multiplication

n×y
n×2 2562842
n×3 3844263
n×4 5125684
n×5 6407105

Division

n÷y
n÷2 640710.5
n÷3 427140.33333333
n÷3 320355.25
n÷5 256284.2

Exponentiation

ny
n2 1642039779241
n3 2104144255954781461
n4 2.6962946366098E+24
n5 3.4550885695392E+30

Nth Root

y√n
2√n 1131.9986749109
3√n 108.61686884039
4√n 33.645187990423
5√n 16.654759563993

Divisors of 1281421

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 -1281420
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 1281421 can be divided by 8 positive divisors. The sum of these divisors (counting 1281421) is 1, the average is 0.125.

Base conversion 1281421

Base System Value
2 Binary 100111000110110001101
3 Ternary 2102002210001
4 Quaternary 10320312031
5 Quinary 312001141
6 Senary 43244301
8 Octal 4706615
10 Decimal 1281421
12 Duodecimal 519691
16 Hexadecimal 138d8d
20 Vigesimal 803b1
36 Base36 rgr1

Cryptographic Hash Functions

md5 2f41182805e2ba96560d57c374c8c8a9
sha1 aec1c05d80803ab139810491b4591f1ed83994d7
sha256 79bd47f128f3c48e560b3c93943c005d7fb1915df4f6c7f1b9543804321e2933
sha512 cc6966ea0849f8c5bb1b2aff8d198e34f05d743f6350dfd95227f78afa83adfc805af35d86931bdd6f7183905dd30b489528448974317a748ea2cc3e07cd1595
ripemd-160 235542bd26aee336db12db9e6e167b39283ab413

1281421 as geometric shapes

Circle

Radius = n
Diameter 2562842
Circumference 8051405.5995114
Area 5158620107365.7

Sphere

Radius = n
Volume 8.8138188488009E+18
Surface area 20634480429463
Circumference 8051405.5995114

Square

Length = n
Perimeter 5125684
Area 1642039779241
Diagonal 1812202.9573097

Cube

Length = n
Surface area 9852238675446
Volume 2104144255954781461
Space diagonal 2219486.2778857

Equilateral Triangle

Length = n
Perimeter 3844263
Area 711024081423.65
Altitude 1109743.1389429

Triangular Pyramid

Length = n
Surface area 711024081423.65
Volume 2.4797577866339E+17
Height 604067.65243656