249920987 (number)

249920987 is an odd 9-digits composite number following 249920986 and preceding 249920988. In scientific notation, it is written as 2.49920987 × 10^8. The sum of its digits is 50. It has a total of 2 prime factors and 4 positive divisors. There are 249869880 positive integers (up to 249920987) that are relatively prime to 249920987.

Interesting facts

Basic properties

Name

Name two hundred forty-nine million nine hundred twenty thousand nine hundred eighty-seven

Notation

Scientific notation 2.49920987 × 10^8
Engineering notation 2.49920987 × 10^6

Prime Factorization of 249920987

Prime Factorization 5477 × 45631

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 249920987
Product of the distinct prime numbers

The prime factorization of 249920987 is 5477 × 45631. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 249920987)

Multiplication

n×y
n×2 499841974
n×3 749762961
n×4 999683948
n×5 1249604935

Division

n÷y
n÷2 124960493.5
n÷3 83306995.666667
n÷3 62480246.75
n÷5 49984197.4

Exponentiation

ny
n2 62460499743054169
n3 1.5610189744297E+25
n4 3.9013140281521E+33
n5 9.7502025251271E+41

Nth Root

y√n
2√n 15808.88949294
3√n 629.89415119315
4√n 125.73340643178
5√n 47.814602036111

Divisors of 249920987

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 -249920986
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 249920987 can be divided by 4 positive divisors. The sum of these divisors (counting 249920987) is 1, the average is 0.25.

Base conversion 249920987

Base System Value
2 Binary 1110111001010111110111011011
3 Ternary 122102021022010212
4 Quaternary 32321113313123
5 Quinary 1002434432422
6 Senary 40444401335
8 Octal 1671276733
10 Decimal 249920987
12 Duodecimal 6b84624b
16 Hexadecimal ee57ddb
20 Vigesimal 3i20297
36 Base36 44so9n

Cryptographic Hash Functions

md5 216c2c872082259c395a865e08cfd9f0
sha1 aa073c89390130f24cb8dc67a36da280a9f19c3b
sha256 0c00b5e45a75225ef25fc09ea6c5ef9472c57567a5044f5f344219f71ad7942b
sha512 fda06e26bb73ca6df75153aacad6d973ad20c4178d33fd0c6be897f111423a2e63de8c1b7ab3e1abf3747113f491b9e5b6331cd70ab78c35826aa607718c82ae
ripemd-160 52916d3b40726ed576eb740bc8dd0c21e03c9a86

249920987 as geometric shapes

Circle

Radius = n
Diameter 499841974
Circumference 1570299873.4742
Area 1.9622544713233E+17

Sphere

Radius = n
Volume 6.538780989577E+25
Surface area 7.849017885293E+17
Circumference 1570299873.4742

Square

Length = n
Perimeter 999683948
Area 62460499743054169
Diagonal 353441649.33707

Cube

Length = n
Surface area 374762998458325014
Volume 1.5610189744297E+25
Space diagonal 432875847.36176

Equilateral Triangle

Length = n
Perimeter 749762961
Area 2.7046189755278E+16
Altitude 216437923.68088

Triangular Pyramid

Length = n
Surface area 2.7046189755278E+16
Volume 1.8396785039669E+24
Height 117813883.11236