1997905 (number)

1997905 is an odd 7-digits composite number following 1997904 and preceding 1997906. In scientific notation, it is written as 1.997905 × 10^6. The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors. There are 1264320 positive integers (up to 1997905) that are relatively prime to 1997905.

Interesting facts

Basic properties

Name

Name one million nine hundred ninety-seven thousand nine hundred five

Notation

Scientific notation 1.997905 × 10^6
Engineering notation 1.997905 × 10^6

Prime Factorization of 1997905

Prime Factorization 5 × 7 × 13 × 4391

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 1997905
Product of the distinct prime numbers

The prime factorization of 1997905 is 5 × 7 × 13 × 4391. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 1997905)

Multiplication

n×y
n×2 3995810
n×3 5993715
n×4 7991620
n×5 9989525

Division

n÷y
n÷2 998952.5
n÷3 665968.33333333
n÷3 499476.25
n÷5 399581

Exponentiation

ny
n2 3991624389025
n3 7974886324954992625
n4 1.5933065263059E+25
n5 3.1832750754392E+31

Nth Root

y√n
2√n 1413.4726739488
3√n 125.94809737659
4√n 37.5961789807
5√n 18.20182634915

Divisors of 1997905

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -1997904
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1997905 can be divided by 16 positive divisors. The sum of these divisors (counting 1997905) is 1, the average is 0.0625.

Base conversion 1997905

Base System Value
2 Binary 111100111110001010001
3 Ternary 10202111121111
4 Quaternary 13213301101
5 Quinary 1002413110
6 Senary 110453321
8 Octal 7476121
10 Decimal 1997905
12 Duodecimal 804241
16 Hexadecimal 1e7c51
20 Vigesimal c9ef5
36 Base36 16tld

Cryptographic Hash Functions

md5 bf0e901f66983608f59e6021142fa0b8
sha1 fd28f3e93253f98f039edf98bc70e86d0082b22a
sha256 602d0ec8cfe3254a7769a485d02bb0369cd5091a935ad272ec5525155f5471b9
sha512 23bffcf8051f7de444464e81b2290d22b21c20d8a1a5b0fdbee1077aeef95acbe94dc9ff00aae5b96b20918471674785705c6b78358b4f921fe8c1b51973d167
ripemd-160 c9e794bce82b8081336acce8d91633aaf848ad88

1997905 as geometric shapes

Circle

Radius = n
Diameter 3995810
Circumference 12553207.341141
Area 12540057856451

Sphere

Radius = n
Volume 3.3405125722256E+19
Surface area 50160231425803
Circumference 12553207.341141

Square

Length = n
Perimeter 7991620
Area 3991624389025
Diagonal 2825464.347333

Cube

Length = n
Surface area 23949746334150
Volume 7974886324954992625
Space diagonal 3460472.9686959

Equilateral Triangle

Length = n
Perimeter 5993715
Area 1728424061630.6
Altitude 1730236.4843479

Triangular Pyramid

Length = n
Surface area 1728424061630.6
Volume 9.3984936659459E+17
Height 941821.44911101