81478275 (number)

81478275 is an odd 8-digits composite number following 81478274 and preceding 81478276. In scientific notation, it is written as 8.1478275 × 10^7. The sum of its digits is 42. It has a total of 5 prime factors and 24 positive divisors. There are 42393600 positive integers (up to 81478275) that are relatively prime to 81478275.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1478275 × 10^7
Engineering notation 8.1478275 × 10^6

Prime Factorization of 81478275

Prime Factorization 5 × 3 × 5 × 41 × 26497

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 16295655
Product of the distinct prime numbers

The prime factorization of 81478275 is 5 × 3 × 5 × 41 × 26497. Since it has a total of 5 prime factors.

Most popular turbo-numbers

5, 7, 25, 23, 825, 115, 3459, 5696, 2338, 92853, 7623, 660001, 3407155, 110738, 74005856, 95982342, 269188376, 759730291, 7281079041, 1531980179

Basic calculations (n = 81478275)

Multiplication

n×y
n×2 162956550
n×3 244434825
n×4 325913100
n×5 407391375

Division

n÷y
n÷2 40739137.5
n÷3 27159425
n÷3 20369568.75
n÷5 16295655

Exponentiation

ny
n2 6638709296975625
n3 5.4091058174404E+23
n4 4.4072461129751E+31
n5 3.5909481078566E+39

Nth Root

y√n
2√n 9026.5317259732
3√n 433.52479540594
4√n 95.008061373618
5√n 38.212756346929

Divisors of 81478275

1, 3, 5, 15, 25, 41, 75, 123, 205, 615, 1025, 3075, 26497, 79491, 132485, 397455, 662425, 1086377, 1987275, 3259131, 5431885, 16295655, 27159425, 81478275

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81478274
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81478275 can be divided by 24 positive divisors. The sum of these divisors (counting 81478275) is 1, the average is 0.041666666666667.

Base conversion 81478275

Base System Value
2 Binary 100110110110100001010000011
3 Ternary 12200022112011220
4 Quaternary 10312310022003
5 Quinary 131324301100
6 Senary 12030210123
8 Octal 466641203
10 Decimal 81478275
12 Duodecimal 23353943
16 Hexadecimal 4db4283
20 Vigesimal 1594fdf
36 Base36 1cid1f

Cryptographic Hash Functions

md5 0a0cc509a60682519e676355bfeabf39
sha1 36029adfa98f82e9d374375ab10cb4dde6a4f0d5
sha256 49d2336d8787159d405d2514681b7ad9ca9364c16b9b53fcb19483c69f519880
sha512 13161968944f9116acc1d8228f11103b4a8cc860a7f6654ce29b5fdf66361a69677cb726152b6f558095acce67da79f9661fd0b4fd1e996cd1539b8008e3bfb5
ripemd-160 75855337823e8b0d0e08f376ea4e15e2bfa6dd40

81478275 as geometric shapes

Circle

Radius = n
Diameter 162956550
Circumference 511943100.33434
Area 2.0856120356697E+16

Sphere

Radius = n
Volume 2.2657609464747E+24
Surface area 8.3424481426788E+16
Circumference 511943100.33434

Square

Length = n
Perimeter 325913100
Area 6638709296975625
Diagonal 115227681.54376

Cube

Length = n
Surface area 39832255781853750
Volume 5.4091058174404E+23
Space diagonal 141124512.01307

Equilateral Triangle

Length = n
Perimeter 244434825
Area 2.8746454497604E+15
Altitude 70562256.006535

Triangular Pyramid

Length = n
Surface area 2.8746454497604E+15
Volume 6.3746923394461E+22
Height 38409227.181255