28077881 (number)

28077881 is an odd 8-digits composite number following 28077880 and preceding 28077882. In scientific notation, it is written as 2.8077881 × 10^7. The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors. There are 25870032 positive integers (up to 28077881) that are relatively prime to 28077881.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8077881 × 10^7
Engineering notation 2.8077881 × 10^6

Prime Factorization of 28077881

Prime Factorization 13 × 643 × 3359

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28077881
Product of the distinct prime numbers

The prime factorization of 28077881 is 13 × 643 × 3359. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28077881)

Multiplication

n×y
n×2 56155762
n×3 84233643
n×4 112311524
n×5 140389405

Division

n÷y
n÷2 14038940.5
n÷3 9359293.6666667
n÷3 7019470.25
n÷5 5615576.2

Exponentiation

ny
n2 788367401450161
n3 2.2135686082197E+22
n4 6.2152315966928E+29
n5 1.7451053315938E+37

Nth Root

y√n
2√n 5298.8565747716
3√n 303.94017535267
4√n 72.793245392492
5√n 30.879685306788

Divisors of 28077881

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28077880
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28077881 can be divided by 8 positive divisors. The sum of these divisors (counting 28077881) is 1, the average is 0.125.

Base conversion 28077881

Base System Value
2 Binary 1101011000110111100111001
3 Ternary 1221211111121112
4 Quaternary 1223012330321
5 Quinary 24141443011
6 Senary 2441450105
8 Octal 153067471
10 Decimal 28077881
12 Duodecimal 94a0935
16 Hexadecimal 1ac6f39
20 Vigesimal 8f9ee1
36 Base36 gpt15

Cryptographic Hash Functions

md5 f442519041e5b5a35df67f7e5819bd90
sha1 1d552f5cbd3e581de47195e6b07d279fce53ed39
sha256 477b72a4a0338e86bba2d0bc2b7f372fc12e8e9d193b9aceb4714a21a7a95c27
sha512 9b67c34d57507160e9797499a170b30952e42a0c8fe2ede631e03207f47db5f42a830a0c33e898c4196671b5ea819583a485aec70f53044eb78fbac08f9ee170
ripemd-160 5bb14d411b58b681ea6fff3654beae6acdbb9229

28077881 as geometric shapes

Circle

Radius = n
Diameter 56155762
Circumference 176418529.35594
Area 2.4767292367255E+15

Sphere

Radius = n
Volume 9.2721745037333E+22
Surface area 9.906916946902E+15
Circumference 176418529.35594

Square

Length = n
Perimeter 112311524
Area 788367401450161
Diagonal 39708120.112898

Cube

Length = n
Surface area 4730204408700966
Volume 2.2135686082197E+22
Space diagonal 48632316.460873

Equilateral Triangle

Length = n
Perimeter 84233643
Area 3.4137309858568E+14
Altitude 24316158.230436

Triangular Pyramid

Length = n
Surface area 3.4137309858568E+14
Volume 2.6087156224897E+21
Height 13236040.037633