1998957 is an odd 7-digits composite number following 1998956
and preceding 1998958 . In scientific notation, it is written as 1.998957 × 10^6.
The sum of its digits is 48. It has a total of 3 prime factors and 8 positive divisors.
There are 1304192 positive integers (up to 1998957) that are relatively prime to 1998957.
1998957 has 8 divisors, whose sum is 2722176
The reverse of 1998957 is 7598991
Previous prime number is 47
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 48
Digital Root 3
Name
one million nine hundred ninety-eight thousand nine hundred fifty-seven
Scientific notation
1.998957 × 10^6
Engineering notation
1.998957 × 10^6
Prime Factorization
3 × 47 × 14177
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1998957
Product of the distinct prime numbers
The prime factorization of 1998957 is 3 × 47 × 14177.
Since it has a total of 3 prime factors.
4 , 2 , 96 , 20 , 888 , 71 , 4718 , 8772 , 26321 , 39693 , 809007 , 698147 , 9708164 , 2472367 , 42566536 , 16855623 , 246801447 , 928924821 , 1295974661 , 7451089370
n×2
3997914
n×3
5996871
n×4
7995828
n×5
9994785
n÷2
999478.5
n÷3
666319
n÷3
499739.25
n÷5
399791.4
n2
3995829087849
n3
7987490525959373493
n4
1.59666500993E+25
n5
3.1916646982547E+31
2 √n
1413.8447580976
3 √n
125.97019955357
4 √n
37.601127085469
5 √n
18.203742785573
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1998956
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1998957 can be divided by 8 positive divisors.
The sum of these divisors (counting 1998957) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101000000001101101
3
Ternary
10202120001110
4
Quaternary
13220001231
5
Quinary
1002431312
6
Senary
110502233
8
Octal
7500155
10
Decimal
1998957
12
Duodecimal
804979
16
Hexadecimal
1e806d
20
Vigesimal
c9h7h
36
Base36
16uel
md5
a04a5db1dd2f681d2053b2f38ca2180c
sha1
32fe581c40fd466f45f2c476d029633e31df60c6
sha256
21207853a4d29dbf0069e8e5a81e19ec2ae5074da48502a8a59575f4ef0aefc9
sha512
01a441ab7a76dc63a9c624277618f827b841f6702877db78a3dea759a4419ee3aec97deab11ee62585313ffbba86bd935e79d11f5a92629584c8b3141c4f1c49
ripemd-160
67db812e5dd3c4cebd6cadb46645e8be1dcede9c
Diameter
3997914
Circumference
12559817.252084
Area
12553267307387
Volume
3.3457922075963E+19
Surface area
50213069229547
Circumference
12559817.252084
Perimeter
7995828
Area
3995829087849
Diagonal
2826952.1000006
Surface area
23974974527094
Volume
7987490525959373493
Space diagonal
3462295.0861455
Perimeter
5996871
Area
1730244749629
Altitude
1731147.5430727
Surface area
1730244749629
Volume
9.413347859282E+17
Height
942317.36666688