268308981 (number)

268308981 is an odd 9-digits composite number following 268308980 and preceding 268308982. In scientific notation, it is written as 2.68308981 × 10^8. The sum of its digits is 45. It has a total of 2 prime factors and 4 positive divisors. There are 178872648 positive integers (up to 268308981) that are relatively prime to 268308981.

Interesting facts

Basic properties

Name

Name two hundred sixty-eight million three hundred eight thousand nine hundred eighty-one

Notation

Scientific notation 2.68308981 × 10^8
Engineering notation 2.68308981 × 10^6

Prime Factorization of 268308981

Prime Factorization 9 × 29812109

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 268308981
Product of the distinct prime numbers

The prime factorization of 268308981 is 9 × 29812109. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 3, 20, 84, 460, 276, 6152, 2307, 59521, 88760, 573081, 181358, 3495102, 3937321, 71668900, 27692840, 698298766, 494713112, 576057987, 3037090122

Basic calculations (n = 268308981)

Multiplication

n×y
n×2 536617962
n×3 804926943
n×4 1073235924
n×5 1341544905

Division

n÷y
n÷2 134154490.5
n÷3 89436327
n÷3 67077245.25
n÷5 53661796.2

Exponentiation

ny
n2 71989709285258361
n3 1.9315485540814E+25
n4 5.182518242976E+33
n5 1.3905161887868E+42

Nth Root

y√n
2√n 16380.139834568
3√n 644.97825057363
4√n 127.98492034051
5√n 48.498358776536

Divisors of 268308981

1, 9, 29812109, 268308981

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -268308980
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 268308981 can be divided by 4 positive divisors. The sum of these divisors (counting 268308981) is 1, the average is 0.25.

Base conversion 268308981

Base System Value
2 Binary 1111111111100001000111110101
3 Ternary 200200212111201200
4 Quaternary 33333201013311
5 Quinary 1022141341411
6 Senary 42342443113
8 Octal 1777410765
10 Decimal 268308981
12 Duodecimal 75a33499
16 Hexadecimal ffe11f5
20 Vigesimal 43gic91
36 Base36 4fqsj9

Cryptographic Hash Functions

md5 4278062145437d06c3943fa5882b0d75
sha1 a1dce1ba8acbbe9ef87ba6b7b6195cf3c3627e7a
sha256 cd5d8eaa7c06c44ddc6f42ae24a5ba7b10b270b57cf20a53032279265ac93cea
sha512 49f15f0dc452a6891b10dfff6ed07105c26cbf0f7255fe8cece7c9214f52f0da487ad09214eb0419355df32564bb6e3ad887266f060c2e32c5d11569aaa55428
ripemd-160 e8a862b3fe58a38970c4bb9954a41b89bf11cc41

268308981 as geometric shapes

Circle

Radius = n
Diameter 536617962
Circumference 1685835047.2035
Area 2.2616234182463E+17

Sphere

Radius = n
Volume 8.0908516634054E+25
Surface area 9.0464936729853E+17
Circumference 1685835047.2035

Square

Length = n
Perimeter 1073235924
Area 71989709285258361
Diagonal 379446199.83671

Cube

Length = n
Surface area 431938255711550166
Volume 1.9315485540814E+25
Space diagonal 464724787.21903

Equilateral Triangle

Length = n
Perimeter 804926943
Area 3.1172458526045E+16
Altitude 232362393.60952

Triangular Pyramid

Length = n
Surface area 3.1172458526045E+16
Volume 2.2763518013034E+24
Height 126482066.61224