249491640 (number)

249491640 is an even 9-digits composite number following 249491639 and preceding 249491641. In scientific notation, it is written as 2.49491640 × 10^8. The sum of its digits is 39. It has a total of 7 prime factors and 64 positive divisors. There are 64236032 positive integers (up to 249491640) that are relatively prime to 249491640.

Interesting facts

Basic properties

Name

Name two hundred forty-nine million four hundred ninety-one thousand six hundred forty

Notation

Scientific notation 2.49491640 × 10^8
Engineering notation 2.49491640 × 10^6

Prime Factorization of 249491640

Prime Factorization 2 × 2 × 2 × 3 × 5 × 29 × 71693

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 62372910
Product of the distinct prime numbers

The prime factorization of 249491640 is 2 × 2 × 2 × 3 × 5 × 29 × 71693. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 249491640)

Multiplication

n×y
n×2 498983280
n×3 748474920
n×4 997966560
n×5 1247458200

Division

n÷y
n÷2 124745820
n÷3 83163880
n÷3 62372910
n÷5 49898328

Exponentiation

ny
n2 62246078429889600
n3 1.5529876191042E+25
n4 3.8745742799E+33
n5 9.6667389139406E+41

Nth Root

y√n
2√n 15795.304365539
3√n 629.53323955341
4√n 125.67937128081
5√n 47.7981622983

Divisors of 249491640

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 -249491639
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 249491640 can be divided by 64 positive divisors. The sum of these divisors (counting 249491640) is 1, the average is 0.015625.

Base conversion 249491640

Base System Value
2 Binary 1110110111101111000010111000
3 Ternary 122101110111012010
4 Quaternary 32313233002320
5 Quinary 1002332213030
6 Senary 40431245520
8 Octal 1667570270
10 Decimal 249491640
12 Duodecimal 6b6798a0
16 Hexadecimal edef0b8
20 Vigesimal 3hj6920
36 Base36 44jgzc

Cryptographic Hash Functions

md5 023d9169fba53b59df4f2d801b6ac7f8
sha1 e4db2cc2ca01e89184f0925f2781492f808b6284
sha256 863ad7214160adbbfd1100673ad92d7bac952ca18d8d24cb1e192eb941e6521f
sha512 db51df501c9d98a86fa7eef1840d2d3bb5ffcab63053329b6b59a4542b559cee0184f5ea6a4e0052acffe7b52d10a5ea60c158d1d625fa79aaf0f8f5a314f136
ripemd-160 ce240041f6be7f97448c8e390b1d52997ccf460c

249491640 as geometric shapes

Circle

Radius = n
Diameter 498983280
Circumference 1567602206.7121
Area 1.9555182271012E+17

Sphere

Radius = n
Volume 6.5051393270581E+25
Surface area 7.8220729084046E+17
Circumference 1567602206.7121

Square

Length = n
Perimeter 997966560
Area 62246078429889600
Diagonal 352834460.98671

Cube

Length = n
Surface area 373476470579337600
Volume 1.5529876191042E+25
Space diagonal 432132196.54368

Equilateral Triangle

Length = n
Perimeter 748474920
Area 2.6953342603121E+16
Altitude 216066098.27184

Triangular Pyramid

Length = n
Surface area 2.6953342603121E+16
Volume 1.8302134609455E+24
Height 117611486.99557