81378275 (number)

81378275 is an odd 8-digits composite number following 81378274 and preceding 81378276. In scientific notation, it is written as 8.1378275 × 10^7. The sum of its digits is 41. It has a total of 4 prime factors and 16 positive divisors. There are 58874400 positive integers (up to 81378275) that are relatively prime to 81378275.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1378275 × 10^7
Engineering notation 8.1378275 × 10^6

Prime Factorization of 81378275

Prime Factorization 25 × 11 × 223 × 1327

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81378275
Product of the distinct prime numbers

The prime factorization of 81378275 is 25 × 11 × 223 × 1327. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 8, 87, 98, 870, 898, 4514, 8300, 90933, 34535, 185248, 559565, 5551735, 9940626, 2689207, 9641345, 90443497, 260610930, 5089027923, 635640418

Basic calculations (n = 81378275)

Multiplication

n×y
n×2 162756550
n×3 244134825
n×4 325513100
n×5 406891375

Division

n÷y
n÷2 40689137.5
n÷3 27126091.666667
n÷3 20344568.75
n÷5 16275655

Exponentiation

ny
n2 6622423641975625
n3 5.3892141230319E+23
n4 4.3856494893798E+31
n5 3.5689659020036E+39

Nth Root

y√n
2√n 9020.9907992415
3√n 433.3473647659
4√n 94.978896599411
5√n 38.203371874835

Divisors of 81378275

1, 11, 25, 223, 275, 1327, 2453, 5575, 14597, 33175, 61325, 295921, 364925, 3255131, 7398025, 81378275

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 -81378274
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 81378275 can be divided by 16 positive divisors. The sum of these divisors (counting 81378275) is 1, the average is 0.0625.

Base conversion 81378275

Base System Value
2 Binary 100110110011011101111100011
3 Ternary 12200010110000012
4 Quaternary 10312123233203
5 Quinary 131313101100
6 Senary 12024115135
8 Octal 466335743
10 Decimal 81378275
12 Duodecimal 23305aab
16 Hexadecimal 4d9bbe3
20 Vigesimal 158c5df
36 Base36 1cg7vn

Cryptographic Hash Functions

md5 241660d7233cc088c9cc0bd248f4202b
sha1 344700c66d51971262efbc3169bb3fd9836e1c9e
sha256 ee23f281c442041112baa3910b020a230d12400377fb4bf43d0fc1e216353deb
sha512 cfd966d5d375443beddb999d4be692546ebb4c2f3bd66c583521d9c9ee196acbef4668aa8e52f69ed0038ba7373b43cea7b777cdf4785f82477455d64ae834bc
ripemd-160 8980cad86cc282523157b90065ed2986aaf3ffaa

81378275 as geometric shapes

Circle

Radius = n
Diameter 162756550
Circumference 511314781.80362
Area 2.080495746259E+16

Sphere

Radius = n
Volume 2.2574287330053E+24
Surface area 8.321982985036E+16
Circumference 511314781.80362

Square

Length = n
Perimeter 325513100
Area 6622423641975625
Diagonal 115086260.18753

Cube

Length = n
Surface area 39734541851853750
Volume 5.3892141230319E+23
Space diagonal 140951306.93231

Equilateral Triangle

Length = n
Perimeter 244134825
Area 2.8675935542868E+15
Altitude 70475653.466156

Triangular Pyramid

Length = n
Surface area 2.8675935542868E+15
Volume 6.3512497527703E+22
Height 38362086.729176