278399381 (number)

278399381 is an odd 9-digits composite number following 278399380 and preceding 278399382. In scientific notation, it is written as 2.78399381 × 10^8. The sum of its digits is 50. It has a total of 3 prime factors and 8 positive divisors. There are 243458352 positive integers (up to 278399381) that are relatively prime to 278399381.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.78399381 × 10^8
Engineering notation 2.78399381 × 10^6

Prime Factorization of 278399381

Prime Factorization 13 × 19 × 1127123

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 278399381
Product of the distinct prime numbers

The prime factorization of 278399381 is 13 × 19 × 1127123. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 278399381)

Multiplication

n×y
n×2 556798762
n×3 835198143
n×4 1113597524
n×5 1391996905

Division

n÷y
n÷2 139199690.5
n÷3 92799793.666667
n÷3 69599845.25
n÷5 55679876.2

Exponentiation

ny
n2 77506215341183161
n3 2.1577682374638E+25
n4 6.0072134165139E+33
n5 1.6724044966924E+42

Nth Root

y√n
2√n 16685.304342445
3√n 652.96427647324
4√n 129.17160811279
5√n 48.857771388454

Divisors of 278399381

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 -278399380
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 278399381 can be divided by 8 positive divisors. The sum of these divisors (counting 278399381) is 1, the average is 0.125.

Base conversion 278399381

Base System Value
2 Binary 10000100110000000100110010101
3 Ternary 201101212011011012
4 Quaternary 100212000212111
5 Quinary 1032232240011
6 Senary 43343022005
8 Octal 2046004625
10 Decimal 278399381
12 Duodecimal 7929a905
16 Hexadecimal 10980995
20 Vigesimal 46jji91
36 Base36 4lr2c5

Cryptographic Hash Functions

md5 792b0f727eb0d23e59320f67f05a0895
sha1 1bfcab7127fa2d12dbf951fa11ae7e35c6c92a1a
sha256 a52ce18d5b81e91aaab02f20731103ddde28f9a1937cc3b9e2c1531f980ef9c9
sha512 7e49b9d64014a20d25fd376db37c88300b733d5ac57f5e828d4518b5c9fe5028357a4338983a08b16a7c3c60545161a25b28274cc367c8c5a2cc1bbf2e499abb
ripemd-160 bacc06dfb213b36618e2afe7330a71b453c11dc3

278399381 as geometric shapes

Circle

Radius = n
Diameter 556798762
Circumference 1749234900.2271
Area 2.4349295672341E+17

Sphere

Radius = n
Volume 9.0384384572876E+25
Surface area 9.7397182689364E+17
Circumference 1749234900.2271

Square

Length = n
Perimeter 1113597524
Area 77506215341183161
Diagonal 393716180.36647

Cube

Length = n
Surface area 465037292047098966
Volume 2.1577682374638E+25
Space diagonal 482201872.68773

Equilateral Triangle

Length = n
Perimeter 835198143
Area 3.3561175718326E+16
Altitude 241100936.34386

Triangular Pyramid

Length = n
Surface area 3.3561175718326E+16
Volume 2.5429542548993E+24
Height 131238726.78882