1897989 is an odd 7-digits composite number following 1897988
and preceding 1897990 . In scientific notation, it is written as 1.897989 × 10^6.
The sum of its digits is 51. It has a total of 3 prime factors and 8 positive divisors.
There are 1231056 positive integers (up to 1897989) that are relatively prime to 1897989.
1897989 has 8 divisors, whose sum is 2599200
The reverse of 1897989 is 9897981
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 51
Digital Root 6
Name
one million eight hundred ninety-seven thousand nine hundred eighty-nine
Scientific notation
1.897989 × 10^6
Engineering notation
1.897989 × 10^6
Prime Factorization
37 × 3 × 17099
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1897989
Product of the distinct prime numbers
The prime factorization of 1897989 is 37 × 3 × 17099.
Since it has a total of 3 prime factors.
5 , 9 , 95 , 66 , 506 , 326 , 892 , 5502 , 9025 , 55332 , 216615 , 169111 , 1981652 , 9916062 , 81940257 , 57086390 , 139993756 , 467997893 , 9654877699 , 1798457410
n×2
3795978
n×3
5693967
n×4
7591956
n×5
9489945
n÷2
948994.5
n÷3
632663
n÷3
474497.25
n÷5
379597.8
n2
3602362244121
n3
6837243913356972669
n4
1.2977013737868E+25
n5
2.4630229327323E+31
2 √n
1377.6752157167
3 √n
123.81252018906
4 √n
37.117047508075
5 √n
18.016015143444
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
-1897988
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 1897989 can be divided by 8 positive divisors.
The sum of these divisors (counting 1897989) is 1, the average is 0.125.
Base
System
Value
2
Binary
111001111011000000101
3
Ternary
10120102112220
4
Quaternary
13033120011
5
Quinary
441213424
6
Senary
104402553
8
Octal
7173005
10
Decimal
1897989
12
Duodecimal
776459
16
Hexadecimal
1cf605
20
Vigesimal
bh4j9
36
Base36
14ohx
md5
fcd1cb0a87758e0cf5d4ed5c8a6c8400
sha1
11b1b7b9eef4c419c51985ff187173f2798b532b
sha256
955253e8a39f9660ad238daac8c7265a7bb1f440068140f0e09f8e874b53e936
sha512
6d7001be868afaeed5c958b2398071ea8902c0901a564562d952da5b965a72abc1847c42634c4f227adf139461d2c11395f1e3ac11ee25e75059113d022e4e79
ripemd-160
153413fd8e46ea53177fea5acaa5a03e0bfcef2d
Diameter
3795978
Circumference
11925416.597988
Area
11317154761700
Volume
2.8639780332005E+19
Surface area
45268619046799
Circumference
11925416.597988
Perimeter
7591956
Area
3602362244121
Diagonal
2684161.7850349
Surface area
21614173464726
Volume
6837243913356972669
Space diagonal
3287413.3802068
Perimeter
5693967
Area
1559868608521.4
Altitude
1643706.6901034
Surface area
1559868608521.4
Volume
8.0577692262686E+17
Height
894720.59501165