1997788 is an even 7-digits composite number following 1997787
and preceding 1997789 . In scientific notation, it is written as 1.997788 × 10^6.
The sum of its digits is 49. It has a total of 5 prime factors and 24 positive divisors.
There are 910656 positive integers (up to 1997788) that are relatively prime to 1997788.
1997788 has 24 divisors, whose sum is 3811808
The reverse of 1997788 is 8877991
Previous prime number is 103
Is Prime? no
Number parity even
Number length 7
Sum of Digits 49
Digital Root 4
Name
one million nine hundred ninety-seven thousand seven hundred eighty-eight
Scientific notation
1.997788 × 10^6
Engineering notation
1.997788 × 10^6
Prime Factorization
2 × 2 × 13 × 103 × 373
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
998894
Product of the distinct prime numbers
The prime factorization of 1997788 is 2 × 2 × 13 × 103 × 373.
Since it has a total of 5 prime factors.
1 , 10 , 54 , 69 , 738 , 968 , 7451 , 8011 , 22194 , 59599 , 592188 , 533703 , 5047408 , 7846340 , 68139548 , 89103039 , 379013618 , 477177525 , 6626739510 , 6821034360
n×2
3995576
n×3
5993364
n×4
7991152
n×5
9988940
n÷2
998894
n÷3
665929.33333333
n÷3
499447
n÷5
399557.6
n2
3991156892944
n3
7973485346840807872
n4
1.5929333344094E+25
n5
3.1823431002832E+31
2 √n
1413.4312859138
3 √n
125.94563876535
4 √n
37.595628547929
5 √n
18.201613159477
1 , 2 , 4 , 13 , 26 , 52 , 103 , 206 , 373 , 412 , 746 , 1339 , 1492 , 2678 , 4849 , 5356 , 9698 , 19396 , 38419 , 76838 , 153676 , 499447 , 998894 , 1997788
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1997787
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1997788 can be divided by 24 positive divisors.
The sum of these divisors (counting 1997788) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
111100111101111011100
3
Ternary
10202111110011
4
Quaternary
13213233130
5
Quinary
1002412123
6
Senary
110453004
8
Octal
7475734
10
Decimal
1997788
12
Duodecimal
804164
16
Hexadecimal
1e7bdc
20
Vigesimal
c9e98
36
Base36
16ti4
md5
cf88af1a39cc0c38e44dbd8569677796
sha1
8bb8ae827fe3107f5185f05afcbfcafe83550cfe
sha256
237fe51a3071e3b532ecbe67b532a0561581afd6323b8905f3b12c3b7665a8c0
sha512
ec494b61f8bf2f5529f88ab89bd02897912c4f6f03cbf4c5911e83b50bffbc49ab21bc2bea5e99ec47bac063fee46296e50a67a17bfe51f2a179fc361c42e874
ripemd-160
2023063bb0072b780a2b5c2bf04f9e823e124e21
Diameter
3995576
Circumference
12552472.20846
Area
12538589174197
Volume
3.3399257318855E+19
Surface area
50154356696789
Circumference
12552472.20846
Perimeter
7991152
Area
3991156892944
Diagonal
2825298.8843462
Surface area
23946941357664
Volume
7973485346840807872
Space diagonal
3460270.3187514
Perimeter
5993364
Area
1728221629889.4
Altitude
1730135.1593757
Surface area
1728221629889.4
Volume
9.3968425974045E+17
Height
941766.29478207