81277368 (number)

81277368 is an even 8-digits composite number following 81277367 and preceding 81277369. In scientific notation, it is written as 8.1277368 × 10^7. The sum of its digits is 42. It has a total of 5 prime factors and 16 positive divisors. There are 27092448 positive integers (up to 81277368) that are relatively prime to 81277368.

Interesting facts

Basic properties

Name

Name eighty-one million two hundred seventy-seven thousand three hundred sixty-eight

Notation

Scientific notation 8.1277368 × 10^7
Engineering notation 8.1277368 × 10^6

Prime Factorization of 81277368

Prime Factorization 2 × 2 × 2 × 3 × 3386557

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 20319342
Product of the distinct prime numbers

The prime factorization of 81277368 is 2 × 2 × 2 × 3 × 3386557. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81277368)

Multiplication

n×y
n×2 162554736
n×3 243832104
n×4 325109472
n×5 406386840

Division

n÷y
n÷2 40638684
n÷3 27092456
n÷3 20319342
n÷5 16255473.6

Exponentiation

ny
n2 6606010549007424
n3 5.3691915040356E+23
n4 4.3639375373597E+31
n5 3.54689357153E+39

Nth Root

y√n
2√n 9015.3961643402
3√n 433.16817743047
4√n 94.949440042268
5√n 38.193892929491

Divisors of 81277368

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 -81277367
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 81277368 can be divided by 16 positive divisors. The sum of these divisors (counting 81277368) is 1, the average is 0.0625.

Base conversion 81277368

Base System Value
2 Binary 100110110000011000110111000
3 Ternary 12122221022120220
4 Quaternary 10312003012320
5 Quinary 131301333433
6 Senary 12022020040
8 Octal 466030670
10 Decimal 81277368
12 Duodecimal 23277620
16 Hexadecimal 4d831b8
20 Vigesimal 157jd88
36 Base36 1ce20o

Cryptographic Hash Functions

md5 8daeb70a56ca9f31ccc035ed7e53b64a
sha1 9eb4b48c3afda50217e7058280c10e86862b5957
sha256 a9c217c7600a8c351336af10f852c87a429a23c15b096fb5f89eccc5d439fe5b
sha512 089ddbd021c44feed97aedb3d9bc041cb9c266acb936b11826242fac056dad07c548c7e36536a8d6160e58b285d81ccf4b3b5bc56c1cd9365319ff765735729f
ripemd-160 6328f02fd05886e53e9829030ba29b34def04b26

81277368 as geometric shapes

Circle

Radius = n
Diameter 162554736
Circumference 510680764.42383
Area 2.0753394210298E+16

Sphere

Radius = n
Volume 2.2490416779727E+24
Surface area 8.3013576841194E+16
Circumference 510680764.42383

Square

Length = n
Perimeter 325109472
Area 6606010549007424
Diagonal 114943556.13959

Cube

Length = n
Surface area 39636063294044544
Volume 5.3691915040356E+23
Space diagonal 140776530.88147

Equilateral Triangle

Length = n
Perimeter 243832104
Area 2.8604864765542E+15
Altitude 70388265.440736

Triangular Pyramid

Length = n
Surface area 2.8604864765542E+15
Volume 6.3276528699879E+22
Height 38314518.713196