278889381 (number)

278889381 is an odd 9-digits composite number following 278889380 and preceding 278889382. In scientific notation, it is written as 2.78889381 × 10^8. The sum of its digits is 54. It has a total of 3 prime factors and 8 positive divisors. There are 184084800 positive integers (up to 278889381) that are relatively prime to 278889381.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.78889381 × 10^8
Engineering notation 2.78889381 × 10^6

Prime Factorization of 278889381

Prime Factorization 9 × 101 × 306809

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 278889381
Product of the distinct prime numbers

The prime factorization of 278889381 is 9 × 101 × 306809. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 2, 13, 18, 256, 56, 7637, 6881, 83724, 41923, 733203, 648216, 7902762, 5925376, 83863781, 29029120, 526280573, 449975488, 5227078982, 4488594521

Basic calculations (n = 278889381)

Multiplication

n×y
n×2 557778762
n×3 836668143
n×4 1115557524
n×5 1394446905

Division

n÷y
n÷2 139444690.5
n÷3 92963127
n÷3 69722345.25
n÷5 55777876.2

Exponentiation

ny
n2 77779286834563161
n3 2.1691817159913E+25
n4 6.0496174604933E+33
n5 1.6871740688438E+42

Nth Root

y√n
2√n 16699.981467056
3√n 653.34713767746
4√n 129.22840812707
5√n 48.874957828386

Divisors of 278889381

1, 9, 101, 909, 306809, 2761281, 30987709, 278889381

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 -278889380
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 278889381 can be divided by 8 positive divisors. The sum of these divisors (counting 278889381) is 1, the average is 0.125.

Base conversion 278889381

Base System Value
2 Binary 10000100111111000001110100101
3 Ternary 201102210001022100
4 Quaternary 100213320032211
5 Quinary 1032343430011
6 Senary 43401322313
8 Octal 2047701645
10 Decimal 278889381
12 Duodecimal 79496399
16 Hexadecimal 109f83a5
20 Vigesimal 4731391
36 Base36 4m1kf9

Cryptographic Hash Functions

md5 e07dbaab384b47373792713c9f16d53a
sha1 cbb679e38c867c4ac5b9609852a6bad236abc46a
sha256 7cd8cdeefaffed1fad96609c28065d8ba7a722d26a57f4e336fea4cd9f69710e
sha512 689ec0a5dda82f279ce1eb638bc9d7f972ba18d7784386c79124381d4840dd354cd5bd662526ac619c5ff425702b31af9667fc6b43fe0d3b498cb9d6efdddfcf
ripemd-160 cabe399cfc67ff9e4bb788bfb5f1991cc1f968ca

278889381 as geometric shapes

Circle

Radius = n
Diameter 557778762
Circumference 1752313661.0276
Area 2.4435083612092E+17

Sphere

Radius = n
Volume 9.086247124346E+25
Surface area 9.7740334448367E+17
Circumference 1752313661.0276

Square

Length = n
Perimeter 1115557524
Area 77779286834563161
Diagonal 394409145.01204

Cube

Length = n
Surface area 466675721007378966
Volume 2.1691817159913E+25
Space diagonal 483050577.58343

Equilateral Triangle

Length = n
Perimeter 836668143
Area 3.3679419143484E+16
Altitude 241525288.79172

Triangular Pyramid

Length = n
Surface area 3.3679419143484E+16
Volume 2.5564051683388E+24
Height 131469715.00401