77881281 (number)

77881281 is an odd 8-digits composite number following 77881280 and preceding 77881282. In scientific notation, it is written as 7.7881281 × 10^7. The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors. There are 51068160 positive integers (up to 77881281) that are relatively prime to 77881281.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 7.7881281 × 10^7
Engineering notation 7.7881281 × 10^6

Prime Factorization of 77881281

Prime Factorization 3 × 79 × 373 × 881

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 77881281
Product of the distinct prime numbers

The prime factorization of 77881281 is 3 × 79 × 373 × 881. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 10, 100, 97, 884, 112, 2644, 5604, 64302, 72008, 301539, 544067, 1287944, 507613, 63555413, 87771233, 172929904, 166050649, 161617563, 1129813448

Basic calculations (n = 77881281)

Multiplication

n×y
n×2 155762562
n×3 233643843
n×4 311525124
n×5 389406405

Division

n÷y
n÷2 38940640.5
n÷3 25960427
n÷3 19470320.25
n÷5 15576256.2

Exponentiation

ny
n2 6065493930200961
n3 4.7238843718178E+23
n4 3.6790216617305E+31
n5 2.8652691984232E+39

Nth Root

y√n
2√n 8825.0371670605
3√n 427.04898640353
4√n 93.941668960374
5√n 37.869242434486

Divisors of 77881281

1, 3, 79, 237, 373, 881, 1119, 2643, 29467, 69599, 88401, 208797, 328613, 985839, 25960427, 77881281

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 -77881280
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 77881281 can be divided by 16 positive divisors. The sum of these divisors (counting 77881281) is 1, the average is 0.0625.

Base conversion 77881281

Base System Value
2 Binary 100101001000101111111000001
3 Ternary 12102112210000220
4 Quaternary 10221011333001
5 Quinary 124414200111
6 Senary 11421133253
8 Octal 451057701
10 Decimal 77881281
12 Duodecimal 220ba229
16 Hexadecimal 4a45fc1
20 Vigesimal 146f341
36 Base36 1ad9kx

Cryptographic Hash Functions

md5 631b3274fa4362608e19b7c9251d97a7
sha1 ccffca715e50108bd2653d61c16a1d2ba3309590
sha256 c883c24612cd5c5e9a255cbc1a244b2fe01d35b035cccb56db400171a8016b35
sha512 98454fd4959baca2e1c2194250e7ea25628f7d1392613feb8409171e2b111b24f4e791d928b5600dfb2e94e1fd3c40a6084d2036cf5a9bfb4d49b0008a01dba4
ripemd-160 22162f3eca7344b6e49ddbf2598e2c8c07136070

77881281 as geometric shapes

Circle

Radius = n
Diameter 155762562
Circumference 489342520.48352
Area 1.9055311171513E+16

Sphere

Radius = n
Volume 1.9787360585214E+24
Surface area 7.6221244686051E+16
Circumference 489342520.48352

Square

Length = n
Perimeter 311525124
Area 6065493930200961
Diagonal 110140763.84519

Cube

Length = n
Surface area 36392963581205766
Volume 4.7238843718178E+23
Space diagonal 134894335.65055

Equilateral Triangle

Length = n
Perimeter 233643843
Area 2.6264359150272E+15
Altitude 67447167.825274

Triangular Pyramid

Length = n
Surface area 2.6264359150272E+15
Volume 5.5671511214225E+22
Height 36713587.948397