248889781 (number)

248889781 is an odd 9-digits composite number following 248889780 and preceding 248889782. In scientific notation, it is written as 2.48889781 × 10^8. The sum of its digits is 55. It has a total of 2 prime factors and 4 positive divisors. There are 213334092 positive integers (up to 248889781) that are relatively prime to 248889781.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.48889781 × 10^8
Engineering notation 2.48889781 × 10^6

Prime Factorization of 248889781

Prime Factorization 7 × 35555683

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 248889781
Product of the distinct prime numbers

The prime factorization of 248889781 is 7 × 35555683. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 2, 58, 47, 240, 295, 93, 922, 90454, 9683, 461023, 45905, 3540911, 4199809, 59680471, 27420630, 598494776, 446802617, 241277601, 8871624765

Basic calculations (n = 248889781)

Multiplication

n×y
n×2 497779562
n×3 746669343
n×4 995559124
n×5 1244448905

Division

n÷y
n÷2 124444890.5
n÷3 82963260.333333
n÷3 62222445.25
n÷5 49777956.2

Exponentiation

ny
n2 61946123086227961
n3 1.541775700873E+25
n4 3.8373221654141E+33
n5 9.5507027337636E+41

Nth Root

y√n
2√n 15776.241028838
3√n 629.02661559617
4√n 125.60350723144
5√n 47.775078916855

Divisors of 248889781

1, 7, 35555683, 248889781

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -248889780
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 248889781 can be divided by 4 positive divisors. The sum of these divisors (counting 248889781) is 1, the average is 0.25.

Base conversion 248889781

Base System Value
2 Binary 1110110101011100000110110101
3 Ternary 122100022220121001
4 Quaternary 32311130012311
5 Quinary 1002203433111
6 Senary 40410323301
8 Octal 1665340665
10 Decimal 248889781
12 Duodecimal 6b429531
16 Hexadecimal ed5c1b5
20 Vigesimal 3hfb491
36 Base36 446kl1

Cryptographic Hash Functions

md5 d0d14afde96df965af23a40ad7a5743e
sha1 3b54ae9c21d1e7d05db3623ec4e0ed1ae045dba4
sha256 5dfcdd102c74ad7be838f81bd71663d11bfe71e35f4985bc81408690c8bae2c8
sha512 6cfb6f2e7aed60a49199c51101466d154fa51ccb7171980004ed94ecd8cfeea7a6fd5555cfb73131819e04bc05ed008e91aa9ebe3a7cca4a609395bdf966a30e
ripemd-160 6e87cd99106df9b2d0ac0e32d1f3e99abd733bfd

248889781 as geometric shapes

Circle

Radius = n
Diameter 497779562
Circumference 1563820615.0863
Area 1.9460948520606E+17

Sphere

Radius = n
Volume 6.4581749537946E+25
Surface area 7.7843794082425E+17
Circumference 1563820615.0863

Square

Length = n
Perimeter 995559124
Area 61946123086227961
Diagonal 351983303.82627

Cube

Length = n
Surface area 371676738517367766
Volume 1.541775700873E+25
Space diagonal 431089746.17669

Equilateral Triangle

Length = n
Perimeter 746669343
Area 2.6823458129316E+16
Altitude 215544873.08835

Triangular Pyramid

Length = n
Surface area 2.6823458129316E+16
Volume 1.8170000885933E+24
Height 117327767.94209