1998140 is an even 7-digits composite number following 1998139
and preceding 1998141 . In scientific notation, it is written as 1.998140 × 10^6.
The sum of its digits is 32. It has a total of 4 prime factors and 12 positive divisors.
There are 799248 positive integers (up to 1998140) that are relatively prime to 1998140.
1998140 has 12 divisors, whose sum is 4196136
The reverse of 1998140 is 0418991
Previous prime number is 5
Is Prime? no
Number parity even
Number length 7
Sum of Digits 32
Digital Root 5
Name
one million nine hundred ninety-eight thousand one hundred forty
Scientific notation
1.998140 × 10^6
Engineering notation
1.998140 × 10^6
Prime Factorization
2 × 2 × 5 × 99907
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
999070
Product of the distinct prime numbers
The prime factorization of 1998140 is 2 × 2 × 5 × 99907.
Since it has a total of 4 prime factors.
4 , 1 , 4 , 41 , 824 , 330 , 5155 , 7582 , 94834 , 50046 , 458187 , 715031 , 5804618 , 8740372 , 70489273 , 63805560 , 689296388 , 395260242 , 8914290745 , 5413334162
n×2
3996280
n×3
5994420
n×4
7992560
n×5
9990700
n÷2
999070
n÷3
666046.66666667
n÷3
499535
n÷5
399628
n2
3992563459600
n3
7977700751165144000
n4
1.5940562978933E+25
n5
3.1851476510725E+31
2 √n
1413.5558001013
3 √n
125.95303532284
4 √n
37.597284477756
5 √n
18.202254520455
1 , 2 , 4 , 5 , 10 , 20 , 99907 , 199814 , 399628 , 499535 , 999070 , 1998140
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1998139
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1998140 can be divided by 12 positive divisors.
The sum of these divisors (counting 1998140) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111100111110100111100
3
Ternary
10202111221012
4
Quaternary
13213310330
5
Quinary
1002420030
6
Senary
110454352
8
Octal
7476474
10
Decimal
1998140
12
Duodecimal
8043b8
16
Hexadecimal
1e7d3c
20
Vigesimal
c9f70
36
Base36
16trw
md5
588c71067408c28fc362e207be748a06
sha1
31a62802359badf2ec8d6087b136f07630843329
sha256
65ec9b8e5a78083077c9ddaac57c15253a02176aa8c3346e0274bba8cbede4a2
sha512
6218b003a17ed76cb331b802d0d67a64b7240013c956476645e07bfe7c0ebad2844a3e10e87ebc1e9bb1b07035fb8b8b27bcf54710f40806e308b5c6fff7eae1
ripemd-160
828d87c07fb822ff71a1ec38eb94800f463b5aed
Diameter
3996280
Circumference
12554683.889688
Area
12543008033670
Volume
3.3416914763198E+19
Surface area
50172032134682
Circumference
12554683.889688
Perimeter
7992560
Area
3992563459600
Diagonal
2825796.6875202
Surface area
23955380757600
Volume
7977700751165144000
Space diagonal
3460880.0006357
Perimeter
5994420
Area
1728830691117.5
Altitude
1730440.0003178
Surface area
1728830691117.5
Volume
9.4018104990431E+17
Height
941932.22917339