278987242 (number)

278987242 is an even 9-digits composite number following 278987241 and preceding 278987243. In scientific notation, it is written as 2.78987242 × 10^8. The sum of its digits is 49. It has a total of 3 prime factors and 8 positive divisors. There are 138139212 positive integers (up to 278987242) that are relatively prime to 278987242.

Interesting facts

Basic properties

Name

Name two hundred seventy-eight million nine hundred eighty-seven thousand two hundred forty-two

Notation

Scientific notation 2.78987242 × 10^8
Engineering notation 2.78987242 × 10^6

Prime Factorization of 278987242

Prime Factorization 2 × 103 × 1354307

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 278987242
Product of the distinct prime numbers

The prime factorization of 278987242 is 2 × 103 × 1354307. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 5, 20, 88, 998, 100, 4977, 4171, 92513, 76336, 630758, 185538, 1574865, 615213, 90094265, 24341201, 851367963, 796746983, 7801309330, 3984146384

Basic calculations (n = 278987242)

Multiplication

n×y
n×2 557974484
n×3 836961726
n×4 1115948968
n×5 1394936210

Division

n÷y
n÷2 139493621
n÷3 92995747.333333
n÷3 69746810.5
n÷5 55797448.4

Exponentiation

ny
n2 77833881198766564
n3 2.17146598498E+25
n4 6.0581130624637E+33
n5 1.6901362550209E+42

Nth Root

y√n
2√n 16702.911183384
3√n 653.42354757523
4√n 129.23974304905
5√n 48.878387346603

Divisors of 278987242

1, 2, 103, 206, 1354307, 2708614, 139493621, 278987242

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 -278987241
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 278987242 can be divided by 8 positive divisors. The sum of these divisors (counting 278987242) is 1, the average is 0.125.

Base conversion 278987242

Base System Value
2 Binary 10000101000010000000111101010
3 Ternary 201102222000112211
4 Quaternary 100220100013222
5 Quinary 1032410042432
6 Senary 43403355334
8 Octal 2050200752
10 Decimal 278987242
12 Duodecimal 79522b4a
16 Hexadecimal 10a101ea
20 Vigesimal 473d822
36 Base36 4m3nxm

Cryptographic Hash Functions

md5 f399aff159a9226a6596222a97cf349f
sha1 ad8e9d5b9e08e127a30753af63fd7c028bff43b4
sha256 df455eab4f8431daa138745a355773242ffc09c092cd1e505b77aa741b07ccf5
sha512 0f8de602a6d9e128d71b727db2b6cc20eccb2d7101b45736a78bbc6806471c0f8d50910ec17d8cc049599fb81f67363fecf29951de99ccb90b7f59c3b87c7872
ripemd-160 5308a53f2efb1bb60cb3d367497ec70ef38b6ed0

278987242 as geometric shapes

Circle

Radius = n
Diameter 557974484
Circumference 1752928539.825
Area 2.4452234937443E+17

Sphere

Radius = n
Volume 9.0958154479109E+25
Surface area 9.780893974977E+17
Circumference 1752928539.825

Square

Length = n
Perimeter 1115948968
Area 77833881198766564
Diagonal 394547541.36546

Cube

Length = n
Surface area 467003287192599384
Volume 2.17146598498E+25
Space diagonal 483220077.80751

Equilateral Triangle

Length = n
Perimeter 836961726
Area 3.3703059196636E+16
Altitude 241610038.90376

Triangular Pyramid

Length = n
Surface area 3.3703059196636E+16
Volume 2.5590972051588E+24
Height 131515847.12182