1401981 is an odd 7-digits composite number following 1401980
and preceding 1401982 . In scientific notation, it is written as 1.401981 × 10^6.
The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors.
There are 792000 positive integers (up to 1401981) that are relatively prime to 1401981.
1401981 has 16 divisors, whose sum is 2160768
The reverse of 1401981 is 1891041
Previous prime number is 661
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 24
Digital Root 6
Name
one million four hundred one thousand nine hundred eighty-one
Scientific notation
1.401981 × 10^6
Engineering notation
1.401981 × 10^6
Prime Factorization
3 × 7 × 661 × 101
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1401981
Product of the distinct prime numbers
The prime factorization of 1401981 is 3 × 7 × 661 × 101.
Since it has a total of 4 prime factors.
4 , 9 , 65 , 59 , 729 , 155 , 396 , 8273 , 2485 , 91941 , 746946 , 86008 , 5007712 , 6070147 , 82601374 , 13906708 , 461622292 , 496653862 , 4691856656 , 2940802743
n×2
2803962
n×3
4205943
n×4
5607924
n×5
7009905
n÷2
700990.5
n÷3
467327
n÷3
350495.25
n÷5
280396.2
n2
1965550724361
n3
2755664770090359141
n4
3.8633896500361E+24
n5
5.4163988849472E+30
2 √n
1184.0527859855
3 √n
111.92163416871
4 √n
34.410068090393
5 √n
16.956976785176
1 , 3 , 7 , 21 , 101 , 303 , 661 , 707 , 1983 , 2121 , 4627 , 13881 , 66761 , 200283 , 467327 , 1401981
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1401980
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1401981 can be divided by 16 positive divisors.
The sum of these divisors (counting 1401981) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101010110010001111101
3
Ternary
2122020011020
4
Quaternary
11112101331
5
Quinary
324330411
6
Senary
50014353
8
Octal
5262175
10
Decimal
1401981
12
Duodecimal
5773b9
16
Hexadecimal
15647d
20
Vigesimal
8f4j1
36
Base36
u1rx
md5
5f7bcbf8e1e661a2724c427099f81eaf
sha1
32cd4d315c9aa746d409ab051b983c771a025107
sha256
10a9c99cb0f706e3bde69eadfdb7c3e464fbf875c8b6d3e81748f6e4467990cd
sha512
1c3aafeec2d34c4d8ae3c608309f266a032aeef6243ad587b4a915c00acda7ff3a3455f184fa970ecaf1f95fc4b89724d4ca61cb031e38a40bf65f461d2318bb
ripemd-160
e341a51df0c3f7aa5f854b8fbb830f24b783e2f6
Diameter
2803962
Circumference
8808906.4201449
Area
6174959715910.6
Volume
1.1542901596629E+19
Surface area
24699838863642
Circumference
8808906.4201449
Perimeter
5607924
Area
1965550724361
Diagonal
1982700.5443894
Surface area
11793304346166
Volume
2755664770090359141
Space diagonal
2428302.3232462
Perimeter
4205943
Area
851108429861.77
Altitude
1214151.1616231
Surface area
851108429861.77
Volume
3.2475820760129E+17
Height
660900.18146313