245156721 (number)

245156721 is an odd 9-digits composite number following 245156720 and preceding 245156722. In scientific notation, it is written as 2.45156721 × 10^8. The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors. There are 163220400 positive integers (up to 245156721) that are relatively prime to 245156721.

Interesting facts

Basic properties

Name

Name two hundred forty-five million one hundred fifty-six thousand seven hundred twenty-one

Notation

Scientific notation 2.45156721 × 10^8
Engineering notation 2.45156721 × 10^6

Prime Factorization of 245156721

Prime Factorization 3 × 757 × 107951

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 245156721
Product of the distinct prime numbers

The prime factorization of 245156721 is 3 × 757 × 107951. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 9, 75, 94, 485, 946, 5846, 7088, 7631, 16847, 784534, 126127, 4723080, 4431965, 2071678, 31342751, 884013708, 780118603, 1122187179, 9280148301

Basic calculations (n = 245156721)

Multiplication

n×y
n×2 490313442
n×3 735470163
n×4 980626884
n×5 1225783605

Division

n÷y
n÷2 122578360.5
n÷3 81718907
n÷3 61289180.25
n÷5 49031344.2

Exponentiation

ny
n2 60101817851471841
n3 1.4734364590606E+25
n4 3.6122285090515E+33
n5 8.8556209678178E+41

Nth Root

y√n
2√n 15657.481310862
3√n 625.86586846759
4√n 125.12985779127
5√n 47.630897047954

Divisors of 245156721

1, 3, 757, 2271, 107951, 323853, 81718907, 245156721

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 -245156720
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 245156721 can be divided by 8 positive divisors. The sum of these divisors (counting 245156721) is 1, the average is 0.125.

Base conversion 245156721

Base System Value
2 Binary 1110100111001100101101110001
3 Ternary 122002022020210120
4 Quaternary 32213030231301
5 Quinary 1000230003341
6 Senary 40154320453
8 Octal 1647145561
10 Decimal 245156721
12 Duodecimal 6a129129
16 Hexadecimal e9ccb71
20 Vigesimal 3gc4bg1
36 Base36 41yk4x

Cryptographic Hash Functions

md5 4e984a1c0bcf4d28868bb2f022f8dc6e
sha1 117abe32ac13947d368fbb9a131cbac015444d36
sha256 8731875bdee62ae6e0ee86888137784164333578cb9b5976c145a7879d9696d3
sha512 3f0811dcd3d6202c12dca5399f660d18b59570a73569c3fcbdc4f144ae880c7c8351330cb712686bc2d33fcc0760dc54a7347393e9d0c0c9e5d032dbe87affd8
ripemd-160 7840a68da7f46d5c650dc56f6ac6f462a918a4ad

245156721 as geometric shapes

Circle

Radius = n
Diameter 490313442
Circumference 1540365107.3435
Area 1.8881542942958E+17

Sphere

Radius = n
Volume 6.1719162070882E+25
Surface area 7.552617177183E+17
Circumference 1540365107.3435

Square

Length = n
Perimeter 980626884
Area 60101817851471841
Diagonal 346703959.74512

Cube

Length = n
Surface area 360610907108831046
Volume 1.4734364590606E+25
Space diagonal 424623896.58899

Equilateral Triangle

Length = n
Perimeter 735470163
Area 2.60248505365E+16
Altitude 212311948.29449

Triangular Pyramid

Length = n
Surface area 2.60248505365E+16
Volume 1.7364615197488E+24
Height 115567986.58171