278728131 (number)

278728131 is an odd 9-digits composite number following 278728130 and preceding 278728132. In scientific notation, it is written as 2.78728131 × 10^8. The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors. There are 168525600 positive integers (up to 278728131) that are relatively prime to 278728131.

Interesting facts

Basic properties

Name

Name two hundred seventy-eight million seven hundred twenty-eight thousand one hundred thirty-one

Notation

Scientific notation 2.78728131 × 10^8
Engineering notation 2.78728131 × 10^6

Prime Factorization of 278728131

Prime Factorization 3 × 11 × 431 × 19597

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 278728131
Product of the distinct prime numbers

The prime factorization of 278728131 is 3 × 11 × 431 × 19597. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 6, 74, 65, 112, 55, 2229, 4109, 12584, 85097, 846139, 862319, 3185064, 9748766, 30687253, 49999847, 991839048, 773310921, 2921113188, 2368672725

Basic calculations (n = 278728131)

Multiplication

n×y
n×2 557456262
n×3 836184393
n×4 1114912524
n×5 1393640655

Division

n÷y
n÷2 139364065.5
n÷3 92909377
n÷3 69682032.75
n÷5 55745626.2

Exponentiation

ny
n2 77689371010753161
n3 2.1654213180393E+25
n4 6.0356383680465E+33
n5 1.6823022017175E+42

Nth Root

y√n
2√n 16695.152919336
3√n 653.22119462852
4√n 129.20972455406
5√n 48.869304755294

Divisors of 278728131

1, 3, 11, 33, 431, 1293, 4741, 14223, 19597, 58791, 215567, 646701, 8446307, 25338921, 92909377, 278728131

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -278728130
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 278728131 can be divided by 16 positive divisors. The sum of these divisors (counting 278728131) is 1, the average is 0.0625.

Base conversion 278728131

Base System Value
2 Binary 10000100111010000110111000011
3 Ternary 201102110212010010
4 Quaternary 100213100313003
5 Quinary 1032323300011
6 Senary 43354040003
8 Octal 2047206703
10 Decimal 278728131
12 Duodecimal 79419003
16 Hexadecimal 109d0dc3
20 Vigesimal 472106b
36 Base36 4ly403

Cryptographic Hash Functions

md5 52fca6aadd41d0568378847009338144
sha1 b40596c95bafc800f597e14e24f2c8d882467a30
sha256 d9c0ef97e526eee21da4b78c15231a13935c45eebaf232fc192b144ec9b3f0a5
sha512 00dc69baf40caf6cc4a7d45aabd5cc81cbaa7bb1b9278fe2b50c7b66846c5aa9c63566a28aa759e7e343bd41978026773388830fdb8cfe0ea22c63dd7d61a778
ripemd-160 5a8414114a1bc862922615c407484300e94193a0

278728131 as geometric shapes

Circle

Radius = n
Diameter 557456262
Circumference 1751300497.3968
Area 2.4406835722939E+17

Sphere

Radius = n
Volume 9.0704956062386E+25
Surface area 9.7627342891758E+17
Circumference 1751300497.3968

Square

Length = n
Perimeter 1114912524
Area 77689371010753161
Diagonal 394181103.0751

Cube

Length = n
Surface area 466136226064518966
Volume 2.1654213180393E+25
Space diagonal 482771284.39071

Equilateral Triangle

Length = n
Perimeter 836184393
Area 3.3640484449673E+16
Altitude 241385642.19536

Triangular Pyramid

Length = n
Surface area 3.3640484449673E+16
Volume 2.5519734968525E+24
Height 131393701.02503