249740981 (number)

249740981 is an odd 9-digits composite number following 249740980 and preceding 249740982. In scientific notation, it is written as 2.49740981 × 10^8. The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors. There are 213810480 positive integers (up to 249740981) that are relatively prime to 249740981.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.49740981 × 10^8
Engineering notation 2.49740981 × 10^6

Prime Factorization of 249740981

Prime Factorization 7 × 863 × 41341

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 249740981
Product of the distinct prime numbers

The prime factorization of 249740981 is 7 × 863 × 41341. Since it has a total of 3 prime factors.

Most popular turbo-numbers

1, 9, 71, 7, 302, 932, 9166, 8520, 62732, 97576, 519088, 232968, 8056486, 7939716, 5693008, 43195805, 267405316, 350136018, 7267958206, 4989774607

Basic calculations (n = 249740981)

Multiplication

n×y
n×2 499481962
n×3 749222943
n×4 998963924
n×5 1248704905

Division

n÷y
n÷2 124870490.5
n÷3 83246993.666667
n÷3 62435245.25
n÷5 49948196.2

Exponentiation

ny
n2 62370557590842361
n3 1.5576484238254E+25
n4 3.8900864541926E+33
n5 9.7151400724487E+41

Nth Root

y√n
2√n 15803.195278171
3√n 629.74288744017
4√n 125.71076039135
5√n 47.807712341822

Divisors of 249740981

1, 7, 863, 6041, 41341, 289387, 35677283, 249740981

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -249740980
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 249740981 can be divided by 8 positive divisors. The sum of these divisors (counting 249740981) is 1, the average is 0.125.

Base conversion 249740981

Base System Value
2 Binary 1110111000101011111010110101
3 Ternary 122101221011012222
4 Quaternary 32320223322311
5 Quinary 1002413202411
6 Senary 40440452125
8 Octal 1670537265
10 Decimal 249740981
12 Duodecimal 6b77a045
16 Hexadecimal ee2beb5
20 Vigesimal 3i0hc91
36 Base36 44otdh

Cryptographic Hash Functions

md5 4e28c05ad2807b3ea26ceb55e2a62134
sha1 0355380350400c7ed2ec828c4e08db8505e2e21b
sha256 b397446e6a85af25ba151405530c609dd7ceef54b67353f2228f207f6df660df
sha512 4adb1bd2814ce3e470fc60057cdd909740e0dadec57a2f2cb828fe234e34d631038dc78abc9c44eebf68910dc89278a27b40c4d95d0802f431d06316d9412835
ripemd-160 a824de7a11db9a1062f5db1b7febdf239a173632

249740981 as geometric shapes

Circle

Radius = n
Diameter 499481962
Circumference 1569168862.4198
Area 1.9594288552769E+17

Sphere

Radius = n
Volume 6.5246624602208E+25
Surface area 7.8377154211076E+17
Circumference 1569168862.4198

Square

Length = n
Perimeter 998963924
Area 62370557590842361
Diagonal 353187082.41056

Cube

Length = n
Surface area 374223345545054166
Volume 1.5576484238254E+25
Space diagonal 432564067.82409

Equilateral Triangle

Length = n
Perimeter 749222943
Area 2.7007243660935E+16
Altitude 216282033.91205

Triangular Pyramid

Length = n
Surface area 2.7007243660935E+16
Volume 1.8357062719858E+24
Height 117729027.47019