249920991 (number)

249920991 is an odd 9-digits composite number following 249920990 and preceding 249920992. In scientific notation, it is written as 2.49920991 × 10^8. The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors. There are 163788984 positive integers (up to 249920991) that are relatively prime to 249920991.

Interesting facts

Basic properties

Name

Name two hundred forty-nine million nine hundred twenty thousand nine hundred ninety-one

Notation

Scientific notation 2.49920991 × 10^8
Engineering notation 2.49920991 × 10^6

Prime Factorization of 249920991

Prime Factorization 9 × 3 × 59 × 156887

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 249920991
Product of the distinct prime numbers

The prime factorization of 249920991 is 9 × 3 × 59 × 156887. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 5, 70, 93, 350, 712, 3683, 5802, 19137, 48005, 619298, 704813, 4228897, 2451935, 7510454, 88753225, 400631441, 155681142, 1937180328, 5043299657

Basic calculations (n = 249920991)

Multiplication

n×y
n×2 499841982
n×3 749762973
n×4 999683964
n×5 1249604955

Division

n÷y
n÷2 124960495.5
n÷3 83306997
n÷3 62480247.75
n÷5 49984198.2

Exponentiation

ny
n2 62460501742422081
n3 1.5610190493823E+25
n4 3.9013142779151E+33
n5 9.7502033053899E+41

Nth Root

y√n
2√n 15808.889619451
3√n 629.89415455365
4√n 125.73340693488
5√n 47.814602189166

Divisors of 249920991

1, 3, 9, 27, 59, 177, 531, 1593, 156887, 470661, 1411983, 4235949, 9256333, 27768999, 83306997, 249920991

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -249920990
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 249920991 can be divided by 16 positive divisors. The sum of these divisors (counting 249920991) is 1, the average is 0.0625.

Base conversion 249920991

Base System Value
2 Binary 1110111001010111110111011111
3 Ternary 122102021022011000
4 Quaternary 32321113313133
5 Quinary 1002434432431
6 Senary 40444401343
8 Octal 1671276737
10 Decimal 249920991
12 Duodecimal 6b846253
16 Hexadecimal ee57ddf
20 Vigesimal 3i2029b
36 Base36 44so9r

Cryptographic Hash Functions

md5 d9b7d426d4fbca18a0eb8be920ae605d
sha1 c445fdd85db291dfb9f149b5d36492efb08132a9
sha256 de28940c04c2d5d8ac7d3b5b8259f5d0778acda1cd5016dc6b256bb8391eb08e
sha512 ddc9bd91394fdce4f8a819d2c9643da35c34a4ee16d127610b2dbfa782e4995cc236fa85eac5e7cdec9738840141471939455959692b7509376f8c9f513aacdc
ripemd-160 86d4013c97ff2acb745f80cbdd0b741f7be02c32

249920991 as geometric shapes

Circle

Radius = n
Diameter 499841982
Circumference 1570299898.607
Area 1.9622545341353E+17

Sphere

Radius = n
Volume 6.5387813035377E+25
Surface area 7.849018136541E+17
Circumference 1570299898.607

Square

Length = n
Perimeter 999683964
Area 62460501742422081
Diagonal 353441654.99392

Cube

Length = n
Surface area 374763010454532486
Volume 1.5610190493823E+25
Space diagonal 432875854.28996

Equilateral Triangle

Length = n
Perimeter 749762973
Area 2.704619062103E+16
Altitude 216437927.14498

Triangular Pyramid

Length = n
Surface area 2.704619062103E+16
Volume 1.8396785922994E+24
Height 117813884.99797