249702981 (number)

249702981 is an odd 9-digits composite number following 249702980 and preceding 249702982. In scientific notation, it is written as 2.49702981 × 10^8. The sum of its digits is 42. It has a total of 5 prime factors and 24 positive divisors. There are 148468320 positive integers (up to 249702981) that are relatively prime to 249702981.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.49702981 × 10^8
Engineering notation 2.49702981 × 10^6

Prime Factorization of 249702981

Prime Factorization 3 × 53 × 11 × 11 × 12979

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 22700271
Product of the distinct prime numbers

The prime factorization of 249702981 is 3 × 53 × 11 × 11 × 12979. Since it has a total of 5 prime factors.

Most popular turbo-numbers

9, 2, 64, 29, 893, 187, 6722, 280, 8849, 75804, 440018, 409743, 5109026, 4531844, 7300538, 56976638, 403633177, 495783390, 9620666926, 5199136320

Basic calculations (n = 249702981)

Multiplication

n×y
n×2 499405962
n×3 749108943
n×4 998811924
n×5 1248514905

Division

n÷y
n÷2 124851490.5
n÷3 83234327
n÷3 62425745.25
n÷5 49940596.2

Exponentiation

ny
n2 62351578720286361
n3 1.5569375076512E+25
n4 3.8877193689121E+33
n5 9.7077511570878E+41

Nth Root

y√n
2√n 15801.99294393
3√n 629.71094575476
4√n 125.7059781551
5√n 47.806257391464

Divisors of 249702981

1, 3, 11, 33, 53, 121, 159, 363, 583, 1749, 6413, 12979, 19239, 38937, 142769, 428307, 687887, 1570459, 2063661, 4711377, 7566757, 22700271, 83234327, 249702981

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -249702980
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 249702981 can be divided by 24 positive divisors. The sum of these divisors (counting 249702981) is 1, the average is 0.041666666666667.

Base conversion 249702981

Base System Value
2 Binary 1110111000100010101001000101
3 Ternary 122101212020002120
4 Quaternary 32320202221011
5 Quinary 1002410443411
6 Senary 40440000153
8 Octal 1670425105
10 Decimal 249702981
12 Duodecimal 6b760059
16 Hexadecimal ee22a45
20 Vigesimal 3i0ch91
36 Base36 44o01x

Cryptographic Hash Functions

md5 696fd69b32faa40f4f6845d39c0e7cca
sha1 afdf0e41fce19dff025a3afd89bf0b5b5f87542f
sha256 82431e9a7ed21962b5d66f370adc852e1fea906c32f1e0153a740735ebddb0be
sha512 4dbeb0924d88c367cae9a6606adbe1f30ca7f536cbb78fcf479b6044f12fb05d66cc8e7a2d6bdf4ff9bce6723b6de902d260eb491a42d6a452ff8e3d792cfb5c
ripemd-160 8de6cd03cee2c372238a91839bf068991a0f7dc0

249702981 as geometric shapes

Circle

Radius = n
Diameter 499405962
Circumference 1568930101.3781
Area 1.9588326164738E+17

Sphere

Radius = n
Volume 6.5216845815137E+25
Surface area 7.8353304658951E+17
Circumference 1568930101.3781

Square

Length = n
Perimeter 998811924
Area 62351578720286361
Diagonal 353133342.29519

Cube

Length = n
Surface area 374109472321718166
Volume 1.5569375076512E+25
Space diagonal 432498249.89341

Equilateral Triangle

Length = n
Perimeter 749108943
Area 2.6999025568917E+16
Altitude 216249124.9467

Triangular Pyramid

Length = n
Surface area 2.6999025568917E+16
Volume 1.8348684492397E+24
Height 117711114.0984