261449968 (number)

261449968 is an even 9-digits composite number following 261449967 and preceding 261449969. In scientific notation, it is written as 2.61449968 × 10^8. The sum of its digits is 49. It has a total of 7 prime factors and 40 positive divisors. There are 120019200 positive integers (up to 261449968) that are relatively prime to 261449968.

Interesting facts

Basic properties

Name

Name two hundred sixty-one million four hundred forty-nine thousand nine hundred sixty-eight

Notation

Scientific notation 2.61449968 × 10^8
Engineering notation 2.61449968 × 10^6

Prime Factorization of 261449968

Prime Factorization 2 × 2 × 2 × 2 × 13 × 191 × 6581

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 32681246
Product of the distinct prime numbers

The prime factorization of 261449968 is 2 × 2 × 2 × 2 × 13 × 191 × 6581. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 261449968)

Multiplication

n×y
n×2 522899936
n×3 784349904
n×4 1045799872
n×5 1307249840

Division

n÷y
n÷2 130724984
n÷3 87149989.333333
n÷3 65362492
n÷5 52289993.6

Exponentiation

ny
n2 68356085767201024
n3 1.787169643644E+25
n4 4.6725544614129E+33
n5 1.2216392144147E+42

Nth Root

y√n
2√n 16169.414584332
3√n 639.4346961338
4√n 127.15901298898
5√n 48.247822596875

Divisors of 261449968

40 divisors

τ Total Divisors 40
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -261449967
Sum of the proper positive divisors of n
A Arithmetic Mean 0.025
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 40
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 261449968 can be divided by 40 positive divisors. The sum of these divisors (counting 261449968) is 1, the average is 0.025.

Base conversion 261449968

Base System Value
2 Binary 1111100101010110100011110000
3 Ternary 200012222000221011
4 Quaternary 33211112203300
5 Quinary 1013412344333
6 Senary 41535440304
8 Octal 1745264360
10 Decimal 261449968
12 Duodecimal 73686094
16 Hexadecimal f9568f0
20 Vigesimal 41e14i8
36 Base36 4bns34

Cryptographic Hash Functions

md5 d03f355ee19f5f80b4480ef954a3d84b
sha1 1fba82ad5acc72884d4a50f56edd5f9887f100a1
sha256 70223de472bb97f3779c8841d1d70eda7bc1713551ed5e91dcf397b9dc0c0dd8
sha512 e71e877064251a0b465dc0433a189570294b7778e73509f2c31c6a774f37ba2fa94e2af516de9328c65c4bb28133261165fbe4076c4f1cc46b5d384339aab27c
ripemd-160 8bed62934bbbf170828006f07ba0c2d39b69b33e

261449968 as geometric shapes

Circle

Radius = n
Diameter 522899936
Circumference 1642738597.5002
Area 2.1474697687439E+17

Sphere

Radius = n
Volume 7.4860786975876E+25
Surface area 8.5898790749757E+17
Circumference 1642738597.5002

Square

Length = n
Perimeter 1045799872
Area 68356085767201024
Diagonal 369746090.62761

Cube

Length = n
Surface area 410136514603206144
Volume 1.787169643644E+25
Space diagonal 452844628.21326

Equilateral Triangle

Length = n
Perimeter 784349904
Area 2.9599053388832E+16
Altitude 226422314.10663

Triangular Pyramid

Length = n
Surface area 2.9599053388832E+16
Volume 2.1061996235857E+24
Height 123248696.87587