1997913 is an odd 7-digits composite number following 1997912
and preceding 1997914 . In scientific notation, it is written as 1.997913 × 10^6.
The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors.
There are 1328400 positive integers (up to 1997913) that are relatively prime to 1997913.
1997913 has 8 divisors, whose sum is 2670976
The reverse of 1997913 is 3197991
Previous prime number is 541
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 39
Digital Root 3
Name
one million nine hundred ninety-seven thousand nine hundred thirteen
Scientific notation
1.997913 × 10^6
Engineering notation
1.997913 × 10^6
Prime Factorization
3 × 541 × 1231
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1997913
Product of the distinct prime numbers
The prime factorization of 1997913 is 3 × 541 × 1231.
Since it has a total of 3 prime factors.
9 , 5 , 8 , 25 , 74 , 894 , 7664 , 1983 , 57053 , 44205 , 731217 , 427013 , 2235248 , 3035321 , 63524845 , 58703967 , 35924517 , 916269605 , 6544787722 , 2878264108
n×2
3995826
n×3
5993739
n×4
7991652
n×5
9989565
n÷2
998956.5
n÷3
665971
n÷3
499478.25
n÷5
399582.6
n2
3991656355569
n3
7974982124323927497
n4
1.5933320460954E+25
n5
3.1833388082107E+31
2 √n
1413.4755038557
3 √n
125.94826548326
4 √n
37.596216616246
5 √n
18.201840925857
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
-1997912
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 1997913 can be divided by 8 positive divisors.
The sum of these divisors (counting 1997913) is 1, the average is 0.125.
Base
System
Value
2
Binary
111100111110001011001
3
Ternary
10202111121210
4
Quaternary
13213301121
5
Quinary
1002413123
6
Senary
110453333
8
Octal
7476131
10
Decimal
1997913
12
Duodecimal
804249
16
Hexadecimal
1e7c59
20
Vigesimal
c9efd
36
Base36
16tll
md5
7a81cfc8d30fbb51d61c1220cbdb565c
sha1
3889db7f15743dc78dc224f1733e038c84cbc0ac
sha256
cfe3479e806e437aad83c67bf5fefac84148fe0fc690ea53ad36a73f18c33939
sha512
dbb86668e052f28dd5012c170791f36462e026c2db81cc488437611f597174c2fad85d00f2ec8f9178ed20433033faf34d5ba1235b857253c5540c37e7cd8e8d
ripemd-160
fef68292cebc2b2fc5b73707017f5a7ac51a55cf
Diameter
3995826
Circumference
12553257.606623
Area
12540158282311
Volume
3.3405527005715E+19
Surface area
50160633129242
Circumference
12553257.606623
Perimeter
7991652
Area
3991656355569
Diagonal
2825475.6610415
Surface area
23949938133414
Volume
7974982124323927497
Space diagonal
3460486.8251024
Perimeter
5993739
Area
1728437903550.2
Altitude
1730243.4125512
Surface area
1728437903550.2
Volume
9.3986065665849E+17
Height
941825.22034717