1998406 is an even 7-digits composite number following 1998405
and preceding 1998407 . In scientific notation, it is written as 1.998406 × 10^6.
The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors.
There are 969408 positive integers (up to 1998406) that are relatively prime to 1998406.
1998406 has 16 divisors, whose sum is 3088800
The reverse of 1998406 is 6048991
Previous prime number is 109
Is Prime? no
Number parity even
Number length 7
Sum of Digits 37
Digital Root 1
Name
one million nine hundred ninety-eight thousand four hundred six
Scientific notation
1.998406 × 10^6
Engineering notation
1.998406 × 10^6
Prime Factorization
2 × 89 × 109 × 103
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1998406
Product of the distinct prime numbers
The prime factorization of 1998406 is 2 × 89 × 109 × 103.
Since it has a total of 4 prime factors.
3 , 9 , 58 , 46 , 989 , 569 , 6131 , 8607 , 1869 , 35192 , 378162 , 817771 , 5314392 , 5972292 , 35339352 , 17233999 , 421268633 , 519013429 , 5445650740 , 6660459181
n×2
3996812
n×3
5995218
n×4
7993624
n×5
9992030
n÷2
999203
n÷3
666135.33333333
n÷3
499601.5
n÷5
399681.2
n2
3993626540836
n3
7980887240965907416
n4
1.594905294767E+25
n5
3.1872683104941E+31
2 √n
1413.6498859336
3 √n
125.95862419062
4 √n
37.598535688688
5 √n
18.202739125328
1 , 2 , 89 , 103 , 109 , 178 , 206 , 218 , 9167 , 9701 , 11227 , 18334 , 19402 , 22454 , 999203 , 1998406
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
-1998405
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 1998406 can be divided by 16 positive divisors.
The sum of these divisors (counting 1998406) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111100111111001000110
3
Ternary
10202112022001
4
Quaternary
13213321012
5
Quinary
1002422111
6
Senary
110455514
8
Octal
7477106
10
Decimal
1998406
12
Duodecimal
80459a
16
Hexadecimal
1e7e46
20
Vigesimal
c9g06
36
Base36
16tza
md5
82daf306edbf610215131f324e9ba081
sha1
b5e74cf3fb4b48fed9a69efb11e1231f6bb8d49e
sha256
556432e6aec9923d05d1294a28ee0ec9e094df2d131efb7804ab1e595f6be768
sha512
1b54e172c900ec8dff7d1a697d378c74f883d4310ec6633c1acc8cd57e27b9e0f58464d20f9d82e75765efff438b999fc8c500ec104094f632f3112ee786af0c
ripemd-160
87751f742a60993ba82adeea51c3d287550b53fe
Diameter
3996812
Circumference
12556355.21698
Area
12546347801872
Volume
3.3430262300463E+19
Surface area
50185391207486
Circumference
12556355.21698
Perimeter
7993624
Area
3993626540836
Diagonal
2826172.8683278
Surface area
23961759245016
Volume
7980887240965907416
Space diagonal
3461340.7261505
Perimeter
5995218
Area
1729291018795.9
Altitude
1730670.3630752
Surface area
1729291018795.9
Volume
9.405565813287E+17
Height
942057.62277592