1998387 (number)

1998387 is an odd 7-digits composite number following 1998386 and preceding 1998388. In scientific notation, it is written as 1.998387 × 10^6. The sum of its digits is 45. It has a total of 3 prime factors and 6 positive divisors. There are 1332252 positive integers (up to 1998387) that are relatively prime to 1998387.

Interesting facts

Basic properties

Name

Name one million nine hundred ninety-eight thousand three hundred eighty-seven

Notation

Scientific notation 1.998387 × 10^6
Engineering notation 1.998387 × 10^6

Prime Factorization of 1998387

Prime Factorization 3 × 3 × 222043

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 666129
Product of the distinct prime numbers

The prime factorization of 1998387 is 3 × 3 × 222043. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 1998387)

Multiplication

n×y
n×2 3996774
n×3 5995161
n×4 7993548
n×5 9991935

Division

n÷y
n÷2 999193.5
n÷3 666129
n÷3 499596.75
n÷5 399677.4

Exponentiation

ny
n2 3993550601769
n3 7980659606417346603
n4 1.594844640889E+25
n5 3.1871167973722E+31

Nth Root

y√n
2√n 1413.6431657246
3√n 125.95822500223
4√n 37.598446320621
5√n 18.202704512405

Divisors of 1998387

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -1998386
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1998387 can be divided by 6 positive divisors. The sum of these divisors (counting 1998387) is 1, the average is 0.16666666666667.

Base conversion 1998387

Base System Value
2 Binary 111100111111000110011
3 Ternary 10202112021100
4 Quaternary 13213320303
5 Quinary 1002422022
6 Senary 110455443
8 Octal 7477063
10 Decimal 1998387
12 Duodecimal 804583
16 Hexadecimal 1e7e33
20 Vigesimal c9fj7
36 Base36 16tyr

Cryptographic Hash Functions

md5 909a385ad233a49d5ce3857c46a7dcb5
sha1 5a3da68489dffcac3e56ffa66cbde2bfb99f60f3
sha256 b43f5adb654cf7925ebb42f442259ed03cb8ef0e48f1335da06fb119f04fafe1
sha512 cf98772d058e1b8d40d2321d41779a187ed9cf1952780c8d4423c0a984728c87d89da2c7f44b75057b1b1b70ef7b0d5852492ce3e848c98710fce97727d5b228
ripemd-160 4ceb751b57b391315f9d688225ad02c8c9024142

1998387 as geometric shapes

Circle

Radius = n
Diameter 3996774
Circumference 12556235.836459
Area 12546109232257

Sphere

Radius = n
Volume 3.3429308787095E+19
Surface area 50184436929026
Circumference 12556235.836459

Square

Length = n
Perimeter 7993548
Area 3993550601769
Diagonal 2826145.9982701

Cube

Length = n
Surface area 23961303610614
Volume 7980659606417346603
Space diagonal 3461307.8171851

Equilateral Triangle

Length = n
Perimeter 5995161
Area 1729258136215.3
Altitude 1730653.9085926

Triangular Pyramid

Length = n
Surface area 1729258136215.3
Volume 9.4052975433988E+17
Height 942048.66609003