1213842 is an even 7-digits composite number following 1213841
and preceding 1213843 . In scientific notation, it is written as 1.213842 × 10^6.
The sum of its digits is 21. It has a total of 4 prime factors and 16 positive divisors.
There are 346800 positive integers (up to 1213842) that are relatively prime to 1213842.
1213842 has 16 divisors, whose sum is 2774592
The reverse of 1213842 is 2483121
Previous prime number is 7
Is Prime? no
Number parity even
Number length 7
Sum of Digits 21
Digital Root 3
Name
one million two hundred thirteen thousand eight hundred forty-two
Scientific notation
1.213842 × 10^6
Engineering notation
1.213842 × 10^6
Prime Factorization
2 × 3 × 7 × 28901
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1213842
Product of the distinct prime numbers
The prime factorization of 1213842 is 2 × 3 × 7 × 28901.
Since it has a total of 4 prime factors.
7 , 2 , 35 , 54 , 213 , 658 , 1786 , 8759 , 19581 , 87820 , 846376 , 198984 , 122126 , 6735972 , 34344186 , 99711328 , 348054787 , 765818029 , 3154123200 , 8826602037
n×2
2427684
n×3
3641526
n×4
4855368
n×5
6069210
n÷2
606921
n÷3
404614
n÷3
303460.5
n÷5
242768.4
n2
1473412400964
n3
1788489855610943688
n4
2.1709441033145E+24
n5
2.6351831322555E+30
2 √n
1101.7449795665
3 √n
106.67288809198
4 √n
33.19254403577
5 √n
16.475265882017
1 , 2 , 3 , 6 , 7 , 14 , 21 , 42 , 28901 , 57802 , 86703 , 173406 , 202307 , 404614 , 606921 , 1213842
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
-1213841
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 1213842 can be divided by 16 positive divisors.
The sum of these divisors (counting 1213842) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100101000010110010010
3
Ternary
2021200002010
4
Quaternary
10220112102
5
Quinary
302320332
6
Senary
42003350
8
Octal
4502622
10
Decimal
1213842
12
Duodecimal
4a6556
16
Hexadecimal
128592
20
Vigesimal
7bec2
36
Base36
q0lu
md5
c9068e27b6040d42f01341d6a274ca13
sha1
473f4bc965493c47eee5cc5162691e3a9dd96942
sha256
9a9706fa86ea0f26e22d63b83b89d8f1da79e044e06f1e9d2b0d1226e0790566
sha512
63a98458d1fdb28cc6b539a9b6bf347cb27ca93621cf3319064d79921b2413b7d3c86fcd0fedcfa3874dcc7050f530d4b95bf29548368dd97e88aadf9438fbd1
ripemd-160
b002280b685234ddead930688c033e9a7c9344a5
Diameter
2427684
Circumference
7626794.2196375
Area
4628861574576.6
Volume
7.4916087885429E+18
Surface area
18515446298306
Circumference
7626794.2196375
Perimeter
4855368
Area
1473412400964
Diagonal
1716631.8189781
Surface area
8840474405784
Volume
1788489855610943688
Space diagonal
2102436.016361
Perimeter
3641526
Area
638006284742.92
Altitude
1051218.0081805
Surface area
638006284742.92
Volume
2.1077555083097E+17
Height
572210.60632603