28131738 (number)

28131738 is an even 8-digits composite number following 28131737 and preceding 28131739. In scientific notation, it is written as 2.8131738 × 10^7. The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors. There are 9365696 positive integers (up to 28131738) that are relatively prime to 28131738.

Interesting facts

Basic properties

Name

Name twenty-eight million one hundred thirty-one thousand seven hundred thirty-eight

Notation

Scientific notation 2.8131738 × 10^7
Engineering notation 2.8131738 × 10^6

Prime Factorization of 28131738

Prime Factorization 2 × 3 × 977 × 4799

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28131738
Product of the distinct prime numbers

The prime factorization of 28131738 is 2 × 3 × 977 × 4799. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 9, 76, 32, 489, 601, 1052, 2775, 71902, 96335, 416107, 40962, 2814397, 9462143, 3892509, 84140568, 22483703, 2638763, 1155478592, 4663562776

Basic calculations (n = 28131738)

Multiplication

n×y
n×2 56263476
n×3 84395214
n×4 112526952
n×5 140658690

Division

n÷y
n÷2 14065869
n÷3 9377246
n÷3 7032934.5
n÷5 5626347.6

Exponentiation

ny
n2 791394682900644
n3 2.2263307873954E+22
n4 6.2630554412341E+29
n5 1.7619063475227E+37

Nth Root

y√n
2√n 5303.9360855878
3√n 304.13438339631
4√n 72.828127022379
5√n 30.891522472646

Divisors of 28131738

1, 2, 3, 6, 977, 1954, 2931, 4799, 5862, 9598, 14397, 28794, 4688623, 9377246, 14065869, 28131738

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 -28131737
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 28131738 can be divided by 16 positive divisors. The sum of these divisors (counting 28131738) is 1, the average is 0.0625.

Base conversion 28131738

Base System Value
2 Binary 1101011010100000110011010
3 Ternary 1221221020111020
4 Quaternary 1223110012122
5 Quinary 24200203423
6 Senary 2442543310
8 Octal 153240632
10 Decimal 28131738
12 Duodecimal 9507b36
16 Hexadecimal 1ad419a
20 Vigesimal 8fg96i
36 Base36 gqyl6

Cryptographic Hash Functions

md5 3bcee799086b13c90910cdf7f07d723d
sha1 ae7619ddd35280fc5891fb55caf15714dff5fd28
sha256 ca20a68fbfe3f8ed114a8f1591025c1eef3c85dbdeec53ca93296d724c499afd
sha512 11ff9b41d7859dd90bd5469d5836dd34f12d17c3fd4bf044b631aa66540512664ae35bd15898e3df0f8178d9bbb1aa1e8a814f2bda104c280db8f4fdeb2e8123
ripemd-160 09a37d50a6588316b5f91d5c0068ac303dfda829

28131738 as geometric shapes

Circle

Radius = n
Diameter 56263476
Circumference 176756922.86703
Area 2.4862397218907E+15

Sphere

Radius = n
Volume 9.3256325948562E+22
Surface area 9.9449588875627E+15
Circumference 176756922.86703

Square

Length = n
Perimeter 112526952
Area 791394682900644
Diagonal 39784285.412727

Cube

Length = n
Surface area 4748368097403864
Volume 2.2263307873954E+22
Space diagonal 48725599.521216

Equilateral Triangle

Length = n
Perimeter 84395214
Area 3.4268394990594E+14
Altitude 24362799.760608

Triangular Pyramid

Length = n
Surface area 3.4268394990594E+14
Volume 2.6237559948861E+21
Height 13261428.470909