247988 (number)

247988 is an even 6-digits composite number following 247987 and preceding 247989. In scientific notation, it is written as 2.47988 × 10^5. The sum of its digits is 38. It has a total of 5 prime factors and 24 positive divisors. There are 108000 positive integers (up to 247988) that are relatively prime to 247988.

Interesting facts

Basic properties

Name

Name two hundred forty-seven thousand nine hundred eighty-eight

Notation

Scientific notation 2.47988 × 10^5
Engineering notation 2.47988 × 10^3

Prime Factorization of 247988

Prime Factorization 2 × 2 × 19 × 13 × 251

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 123994
Product of the distinct prime numbers

The prime factorization of 247988 is 2 × 2 × 19 × 13 × 251. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 247988)

Multiplication

n×y
n×2 495976
n×3 743964
n×4 991952
n×5 1239940

Division

n÷y
n÷2 123994
n÷3 82662.666666667
n÷3 61997
n÷5 49597.6

Exponentiation

ny
n2 61498048144
n3 15250777963134272
n4 3.7820099255217E+21
n5 9.3789307741029E+26

Nth Root

y√n
2√n 497.98393548387
3√n 62.826599682886
4√n 22.315553667428
5√n 11.991848500932

Divisors of 247988

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 -247987
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 247988 can be divided by 24 positive divisors. The sum of these divisors (counting 247988) is 1, the average is 0.041666666666667.

Base conversion 247988

Base System Value
2 Binary 111100100010110100
3 Ternary 110121011202
4 Quaternary 330202310
5 Quinary 30413423
6 Senary 5152032
8 Octal 744264
10 Decimal 247988
12 Duodecimal bb618
16 Hexadecimal 3c8b4
20 Vigesimal 1ajj8
36 Base36 5bck

Cryptographic Hash Functions

md5 da7a96608efbb65fda47fb8a63249789
sha1 7d503452e27f66c7283d7536c6ec4a4cdf815ce7
sha256 6aaa4221070679a71cd6c624a3ed71451d31d35fdac1a7e8806dcded3c9b10e7
sha512 4a68d43e99a76d0206259be655a1aaa82f3369afc48e4b647a6cc79e11c9d93263c10e146ac0cb25d61910b42ca8eae67f93d89384e3cd75ee4a06f2b1f2e104
ripemd-160 b2ee2bdef011a559ad31fa1b90b4b6de4bc4676a

247988 as geometric shapes

Circle

Radius = n
Diameter 495976
Circumference 1558154.5579569
Area 193201816259.3

Sphere

Radius = n
Volume 6.3882309347349E+16
Surface area 772807265037.21
Circumference 1558154.5579569

Square

Length = n
Perimeter 991952
Area 61498048144
Diagonal 350707.99290578

Cube

Length = n
Surface area 368988288864
Volume 15250777963134272
Space diagonal 429527.81566739

Equilateral Triangle

Length = n
Perimeter 743964
Area 26629435987.931
Altitude 214763.9078337

Triangular Pyramid

Length = n
Surface area 26629435987.931
Volume 1.7973214193504E+15
Height 116902.66430193