81277427 (number)

81277427 is an odd 8-digits composite number following 81277426 and preceding 81277428. In scientific notation, it is written as 8.1277427 × 10^7. The sum of its digits is 38. It has a total of 5 prime factors and 24 positive divisors. There are 62664000 positive integers (up to 81277427) that are relatively prime to 81277427.

Interesting facts

Basic properties

Name

Name eighty-one million two hundred seventy-seven thousand four hundred twenty-seven

Notation

Scientific notation 8.1277427 × 10^7
Engineering notation 8.1277427 × 10^6

Prime Factorization of 81277427

Prime Factorization 11 × 7 × 7 × 101 × 1493

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 11611061
Product of the distinct prime numbers

The prime factorization of 81277427 is 11 × 7 × 7 × 101 × 1493. Since it has a total of 5 prime factors.

Most popular turbo-numbers

4, 1, 56, 23, 644, 187, 1713, 1732, 13475, 22580, 1264, 748703, 1958178, 2349449, 25886559, 42121631, 763204521, 85673094, 1487521669, 5922733465

Basic calculations (n = 81277427)

Multiplication

n×y
n×2 162554854
n×3 243832281
n×4 325109708
n×5 406387135

Division

n÷y
n÷2 40638713.5
n÷3 27092475.666667
n÷3 20319356.75
n÷5 16255485.4

Exponentiation

ny
n2 6606020139740329
n3 5.3692031966827E+23
n4 4.3639502086655E+31
n5 3.5469064451644E+39

Nth Root

y√n
2√n 9015.3994365197
3√n 433.16828224405
4√n 94.949457273434
5√n 38.19389847455

Divisors of 81277427

1, 7, 11, 49, 77, 101, 539, 707, 1111, 1493, 4949, 7777, 10451, 16423, 54439, 73157, 114961, 150793, 804727, 1055551, 1658723, 7388857, 11611061, 81277427

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 -81277426
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 81277427 can be divided by 24 positive divisors. The sum of these divisors (counting 81277427) is 1, the average is 0.041666666666667.

Base conversion 81277427

Base System Value
2 Binary 100110110000011000111110011
3 Ternary 12122221022200002
4 Quaternary 10312003013303
5 Quinary 131301334202
6 Senary 12022020215
8 Octal 466030763
10 Decimal 81277427
12 Duodecimal 2327766b
16 Hexadecimal 4d831f3
20 Vigesimal 157jdb7
36 Base36 1ce22b

Cryptographic Hash Functions

md5 1457a83b0c400dae37e2f05311cd6848
sha1 aff8871a49dcd71758c817772f94fbcd79d96a45
sha256 6aba6f54179ad0ecd3971e80eb14d45b45d25d0486b67832afcedb6658c617bd
sha512 c8fb7a3a2360d13be42c804f77da0061d22821df8bd87da3ad0bee9d9db2f0aa4bec6060570b655c59539a3967920e8d8fe1446dffe97d9748189689e4b9c9be
ripemd-160 4a21213da19eeb8cf8e5f1ecbe4fe2b5bd5879de

81277427 as geometric shapes

Circle

Radius = n
Diameter 162554854
Circumference 510681135.13176
Area 2.0753424340474E+16

Sphere

Radius = n
Volume 2.2490465757772E+24
Surface area 8.3013697361898E+16
Circumference 510681135.13176

Square

Length = n
Perimeter 325109708
Area 6606020139740329
Diagonal 114943639.57819

Cube

Length = n
Surface area 39636120838441974
Volume 5.3692031966827E+23
Space diagonal 140776633.07247

Equilateral Triangle

Length = n
Perimeter 243832281
Area 2.8604906294634E+15
Altitude 70388316.536235

Triangular Pyramid

Length = n
Surface area 2.8604906294634E+15
Volume 6.3276666499048E+22
Height 38314546.526063