81277430 (number)

81277430 is an even 8-digits composite number following 81277429 and preceding 81277431. In scientific notation, it is written as 8.1277430 × 10^7. The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors. There are 28973952 positive integers (up to 81277430) that are relatively prime to 81277430.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1277430 × 10^7
Engineering notation 8.1277430 × 10^6

Prime Factorization of 81277430

Prime Factorization 2 × 13 × 145 × 21559

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81277430
Product of the distinct prime numbers

The prime factorization of 81277430 is 2 × 13 × 145 × 21559. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 7, 16, 19, 939, 225, 3333, 8565, 84795, 35964, 318316, 744143, 8178894, 561414, 38384147, 25829526, 474282541, 725806812, 5516263228, 9911977030

Basic calculations (n = 81277430)

Multiplication

n×y
n×2 162554860
n×3 243832290
n×4 325109720
n×5 406387150

Division

n÷y
n÷2 40638715
n÷3 27092476.666667
n÷3 20319357.5
n÷5 16255486

Exponentiation

ny
n2 6606020627404900
n3 5.3692037912246E+23
n4 4.3639508529699E+31
n5 3.546907099757E+39

Nth Root

y√n
2√n 9015.3996029017
3√n 433.16828757356
4√n 94.949458149595
5√n 38.193898756502

Divisors of 81277430

1, 2, 13, 26, 145, 290, 1885, 3770, 21559, 43118, 280267, 560534, 3126055, 6252110, 40638715, 81277430

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 -81277429
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 81277430 can be divided by 16 positive divisors. The sum of these divisors (counting 81277430) is 1, the average is 0.0625.

Base conversion 81277430

Base System Value
2 Binary 100110110000011000111110110
3 Ternary 12122221022200012
4 Quaternary 10312003013312
5 Quinary 131301334210
6 Senary 12022020222
8 Octal 466030766
10 Decimal 81277430
12 Duodecimal 23277672
16 Hexadecimal 4d831f6
20 Vigesimal 157jdba
36 Base36 1ce22e

Cryptographic Hash Functions

md5 d29edf44280767ea42bfcc899d03a1fb
sha1 5fee602bc600c6f796e40709d2ce2840265fa0ae
sha256 9a2126da8aca77feaf5204782cf62ead89549f290488f881dbc2c455b3ce1ebe
sha512 f1494fc8cb6bb92a08e52a1efb73a39d980eb2910de3f48b46bba637ae885a60b5b9137fb5cce14a5860fa6e4dfe6fbc2b85f2d2297865b653a3573f358f18a1
ripemd-160 05524b1c2ff1932863c1fe5eabfd4d5040fac9bd

81277430 as geometric shapes

Circle

Radius = n
Diameter 162554860
Circumference 510681153.98132
Area 2.0753425872518E+16

Sphere

Radius = n
Volume 2.2490468248183E+24
Surface area 8.3013703490071E+16
Circumference 510681153.98132

Square

Length = n
Perimeter 325109720
Area 6606020627404900
Diagonal 114943643.82083

Cube

Length = n
Surface area 39636123764429400
Volume 5.3692037912246E+23
Space diagonal 140776638.26862

Equilateral Triangle

Length = n
Perimeter 243832290
Area 2.8604908406283E+15
Altitude 70388319.134311

Triangular Pyramid

Length = n
Surface area 2.8604908406283E+15
Volume 6.327667350579E+22
Height 38314547.940277