1998478 is an even 7-digits composite number following 1998477
and preceding 1998479 . In scientific notation, it is written as 1.998478 × 10^6.
The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors.
There are 999238 positive integers (up to 1998478) that are relatively prime to 1998478.
1998478 has 4 divisors, whose sum is 2997720
The reverse of 1998478 is 8748991
Previous prime number is 2
Is Prime? no
Number parity even
Number length 7
Sum of Digits 46
Digital Root 1
Name
one million nine hundred ninety-eight thousand four hundred seventy-eight
Scientific notation
1.998478 × 10^6
Engineering notation
1.998478 × 10^6
Prime Factorization
2 × 999239
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1998478
Product of the distinct prime numbers
The prime factorization of 1998478 is 2 × 999239.
Since it has a total of 2 prime factors.
4 , 7 , 8 , 23 , 679 , 61 , 6581 , 7170 , 46166 , 91427 , 67714 , 708461 , 7357961 , 4856821 , 76040626 , 24390260 , 241585029 , 725826110 , 7916448555 , 9848295815
n×2
3996956
n×3
5995434
n×4
7993912
n×5
9992390
n÷2
999239
n÷3
666159.33333333
n÷3
499619.5
n÷5
399695.6
n2
3993914316484
n3
7981749895378311352
n4
1.5951351567416E+25
n5
3.1878425177746E+31
2 √n
1413.6753516985
3 √n
125.96013688157
4 √n
37.598874340844
5 √n
18.202870287697
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1998477
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1998478 can be divided by 4 positive divisors.
The sum of these divisors (counting 1998478) is 1, the average is 0.25.
Base
System
Value
2
Binary
111100111111010001110
3
Ternary
10202112101201
4
Quaternary
13213322032
5
Quinary
1002422403
6
Senary
110500114
8
Octal
7477216
10
Decimal
1998478
12
Duodecimal
80463a
16
Hexadecimal
1e7e8e
20
Vigesimal
c9g3i
36
Base36
16u1a
md5
21d5acc72ba658f6b49882f0f5cb38b4
sha1
b1362d90e4b9b5bb1177d30878d43474eb7c01a1
sha256
7e904dbbdc77d7a416d069be197b7c494ae7d60f0a656f025148a2e910ac63f1
sha512
afbd66d0adc95a1e98ecb4bac6859d543a13d87adf3385a1f9c327712ada51e763ea27617278d93b1996d5c7ce9a931bd643aa85b257d3479d1970917de6561b
ripemd-160
b3526d4d8556535eaad85cfe121dac59220f1696
Diameter
3996956
Circumference
12556807.606322
Area
12547251875733
Volume
3.3433875778815E+19
Surface area
50189007502933
Circumference
12556807.606322
Perimeter
7993912
Area
3993914316484
Diagonal
2826274.6917043
Surface area
23963485898904
Volume
7981749895378311352
Space diagonal
3461465.4338086
Perimeter
5995434
Area
1729415629306.8
Altitude
1730732.7169043
Surface area
1729415629306.8
Volume
9.4065824612617E+17
Height
942091.56390142