1281013 is an odd 7-digits composite number following 1281012
and preceding 1281014 . In scientific notation, it is written as 1.281013 × 10^6.
The sum of its digits is 16. It has a total of 3 prime factors and 6 positive divisors.
There are 1210860 positive integers (up to 1281013) that are relatively prime to 1281013.
1281013 has 6 divisors, whose sum is 1324662
The reverse of 1281013 is 3101821
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 16
Digital Root 7
Name
one million two hundred eighty-one thousand thirteen
Scientific notation
1.281013 × 10^6
Engineering notation
1.281013 × 10^6
Prime Factorization
1333 × 31 × 31
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
41323
Product of the distinct prime numbers
The prime factorization of 1281013 is 1333 × 31 × 31.
Since it has a total of 3 prime factors.
8 , 7 , 85 , 23 , 76 , 401 , 2171 , 6941 , 18927 , 76021 , 356734 , 152353 , 2599521 , 257243 , 98384879 , 10447211 , 967045474 , 5244626 , 4913770076 , 1350203360
n×2
2562026
n×3
3843039
n×4
5124052
n×5
6405065
n÷2
640506.5
n÷3
427004.33333333
n÷3
320253.25
n÷5
256202.6
n2
1640994306169
n3
2102135039128469197
n4
2.6928623128791E+24
n5
3.4495916300082E+30
2 √n
1131.8184483388
3 √n
108.60533987199
4 √n
33.642509542821
5 √n
16.653698865364
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1281012
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1281013 can be divided by 6 positive divisors.
The sum of these divisors (counting 1281013) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
100111000101111110101
3
Ternary
2102002012221
4
Quaternary
10320233311
5
Quinary
311443023
6
Senary
43242341
8
Octal
4705765
10
Decimal
1281013
12
Duodecimal
5193b1
16
Hexadecimal
138bf5
20
Vigesimal
802ad
36
Base36
rgfp
md5
c6233a74818c87b74152c4351ed5b675
sha1
4ed87c160410783a700a811645e8ceb951ea9878
sha256
61088cbb8fb52840bd0035defbc300236f7540afcd5f12d4e2bbf557c9d46ec3
sha512
296c6f07fad6a6ff66ae92f8651d14cfee28b2b2dd79cb1a15b97716fc20cafc3226c29423e7cc888b77f6ba33594e333a943edeac52e8b473aee114aba5e417
ripemd-160
7a0eb6a86e0715d8bb4a10bbff26405bd7f5075b
Diameter
2562026
Circumference
8048842.059906
Area
5155335656843.2
Volume
8.8054026610396E+18
Surface area
20621342627373
Circumference
8048842.059906
Perimeter
5124052
Area
1640994306169
Diagonal
1811625.9581762
Surface area
9845965837014
Volume
2102135039128469197
Space diagonal
2218779.6011562
Perimeter
3843039
Area
710571378303.99
Altitude
1109389.8005781
Surface area
710571378303.99
Volume
2.477389901896E+17
Height
603875.31939208