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.
1281421 has 8 divisors, whose sum is 1340640
The reverse of 1281421 is 1241821
Previous prime number is 59
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 19
Digital Root 1
Name
one million two hundred eighty-one thousand four hundred twenty-one
Scientific notation
1.281421 × 10^6
Engineering notation
1.281421 × 10^6
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.
8 , 1 , 58 , 30 , 158 , 606 , 6262 , 5914 , 40692 , 70222 , 851913 , 443786 , 3026034 , 6393179 , 52148168 , 20070663 , 947879997 , 257214324 , 6688746500 , 2662272838
n×2
2562842
n×3
3844263
n×4
5125684
n×5
6407105
n÷2
640710.5
n÷3
427140.33333333
n÷3
320355.25
n÷5
256284.2
n2
1642039779241
n3
2104144255954781461
n4
2.6962946366098E+24
n5
3.4550885695392E+30
2 √n
1131.9986749109
3 √n
108.61686884039
4 √n
33.645187990423
5 √n
16.654759563993
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
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
md5
2f41182805e2ba96560d57c374c8c8a9
sha1
aec1c05d80803ab139810491b4591f1ed83994d7
sha256
79bd47f128f3c48e560b3c93943c005d7fb1915df4f6c7f1b9543804321e2933
sha512
cc6966ea0849f8c5bb1b2aff8d198e34f05d743f6350dfd95227f78afa83adfc805af35d86931bdd6f7183905dd30b489528448974317a748ea2cc3e07cd1595
ripemd-160
235542bd26aee336db12db9e6e167b39283ab413
Diameter
2562842
Circumference
8051405.5995114
Area
5158620107365.7
Volume
8.8138188488009E+18
Surface area
20634480429463
Circumference
8051405.5995114
Perimeter
5125684
Area
1642039779241
Diagonal
1812202.9573097
Surface area
9852238675446
Volume
2104144255954781461
Space diagonal
2219486.2778857
Perimeter
3844263
Area
711024081423.65
Altitude
1109743.1389429
Surface area
711024081423.65
Volume
2.4797577866339E+17
Height
604067.65243656