249187890 (number)

249187890 is an even 9-digits composite number following 249187889 and preceding 249187891. In scientific notation, it is written as 2.49187890 × 10^8. The sum of its digits is 48. It has a total of 6 prime factors and 64 positive divisors. There are 55743168 positive integers (up to 249187890) that are relatively prime to 249187890.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.49187890 × 10^8
Engineering notation 2.49187890 × 10^6

Prime Factorization of 249187890

Prime Factorization 2 × 5 × 3 × 7 × 47 × 25247

Composite number
ω Distinct Factors 6
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 249187890
Product of the distinct prime numbers

The prime factorization of 249187890 is 2 × 5 × 3 × 7 × 47 × 25247. Since it has a total of 6 prime factors.

Most popular turbo-numbers

8, 5, 48, 90, 537, 170, 5702, 4959, 68955, 15030, 496048, 106094, 7245793, 5472384, 20472286, 53675274, 569354131, 293063927, 7100244179, 8670202344

Basic calculations (n = 249187890)

Multiplication

n×y
n×2 498375780
n×3 747563670
n×4 996751560
n×5 1245939450

Division

n÷y
n÷2 124593945
n÷3 83062630
n÷3 62296972.5
n÷5 49837578

Exponentiation

ny
n2 62094604522652100
n3 1.5473223481384E+25
n4 3.8557399108246E+33
n5 9.6080369276716E+41

Nth Root

y√n
2√n 15785.686237855
3√n 629.27765533659
4√n 125.64110090991
5√n 47.786518006387

Divisors of 249187890

1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 47, 70, 94, 105, 141, 210, 235, 282, 329, 470, 658, 705, 987, 1410, 1645, 1974, 3290, 4935, 9870, 25247, 50494, 75741, 126235, 151482, 176729, 252470, 353458, 378705, 530187, 757410, 883645, 1060374, 1186609, 1767290, 2373218, 2650935, 3559827, 5301870, 5933045, 7119654, 8306263, 11866090, 16612526, 17799135, 24918789, 35598270, 41531315, 49837578, 83062630, 124593945, 249187890

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -249187889
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 249187890 can be divided by 64 positive divisors. The sum of these divisors (counting 249187890) is 1, the average is 0.015625.

Base conversion 249187890

Base System Value
2 Binary 1110110110100100111000110010
3 Ternary 122100220001112010
4 Quaternary 32312210320302
5 Quinary 1002243003030
6 Senary 40420543350
8 Octal 1666447062
10 Decimal 249187890
12 Duodecimal 6b551b56
16 Hexadecimal eda4e32
20 Vigesimal 3hh89ea
36 Base36 44cylu

Cryptographic Hash Functions

md5 ae1abbde563922248aeea33242bbb236
sha1 4c4019f04e27178b051287a541bd3d4a138e18d1
sha256 7a9445a8da39184d1d817e4caff30f52ad572f69c5538f68358f8d12f14b8565
sha512 1e13a8a5e71a350082164e54a9bd26b2abfa07146289aca9caf7ce8cbc0afa7958da5d0ef0e977a8e87d4f989f303dc814cde371392194655c96cccdff73269d
ripemd-160 a5ff1d8bfd18237ed0bfcc800d427f434b6d9b2e

249187890 as geometric shapes

Circle

Radius = n
Diameter 498375780
Circumference 1565693689.1751
Area 1.9507595339593E+17

Sphere

Radius = n
Volume 6.4814086955293E+25
Surface area 7.8030381358371E+17
Circumference 1565693689.1751

Square

Length = n
Perimeter 996751560
Area 62094604522652100
Diagonal 352404893.61713

Cube

Length = n
Surface area 372567627135912600
Volume 1.5473223481384E+25
Space diagonal 431606086.11088

Equilateral Triangle

Length = n
Perimeter 747563670
Area 2.6887752477282E+16
Altitude 215803043.05544

Triangular Pyramid

Length = n
Surface area 2.6887752477282E+16
Volume 1.8235368750836E+24
Height 117468297.87238