28161488 (number)

28161488 is an even 8-digits composite number following 28161487 and preceding 28161489. In scientific notation, it is written as 2.8161488 × 10^7. The sum of its digits is 38. It has a total of 6 prime factors and 20 positive divisors. There are 13968864 positive integers (up to 28161488) that are relatively prime to 28161488.

Interesting facts

Basic properties

Name

Name twenty-eight million one hundred sixty-one thousand four hundred eighty-eight

Notation

Scientific notation 2.8161488 × 10^7
Engineering notation 2.8161488 × 10^6

Prime Factorization of 28161488

Prime Factorization 2 × 2 × 2 × 2 × 127 × 13859

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 3520186
Product of the distinct prime numbers

The prime factorization of 28161488 is 2 × 2 × 2 × 2 × 127 × 13859. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28161488)

Multiplication

n×y
n×2 56322976
n×3 84484464
n×4 112645952
n×5 140807440

Division

n÷y
n÷2 14080744
n÷3 9387162.6666667
n÷3 7040372
n÷5 5632297.6

Exponentiation

ny
n2 793069406374144
n3 2.2334014570773E+22
n4 6.2895908332664E+29
n5 1.7712423677594E+37

Nth Root

y√n
2√n 5306.7398654918
3√n 304.24155547227
4√n 72.847373772098
5√n 30.898053418473

Divisors of 28161488

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28161487
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28161488 can be divided by 20 positive divisors. The sum of these divisors (counting 28161488) is 1, the average is 0.05.

Base conversion 28161488

Base System Value
2 Binary 1101011011011010111010000
3 Ternary 1221222202022002
4 Quaternary 1223123113100
5 Quinary 24202131423
6 Senary 2443333132
8 Octal 153332720
10 Decimal 28161488
12 Duodecimal 95211a8
16 Hexadecimal 1adb5d0
20 Vigesimal 8g03e8
36 Base36 grljk

Cryptographic Hash Functions

md5 02c6eaef3e751b6eb2e0597f597323a7
sha1 eb48d145976be1edcb45c652a68f0ffe7a1070bb
sha256 c540a17fa64f6a3413266cd0f27103ca8914c138b06ed69bedc370a4fa67a209
sha512 d5cf6072c5de17985bab18e8df363c174df215931550ee8277b33b538425f95750979dd6e34127ba4e535c9176ec6e31e58f99882666d9a23afbf6e71a2dbf30
ripemd-160 05f8def61b1097bf1b29a16f57c40a11edad7e39

28161488 as geometric shapes

Circle

Radius = n
Diameter 56322976
Circumference 176943847.62991
Area 2.4915010208518E+15

Sphere

Radius = n
Volume 9.3552501467609E+22
Surface area 9.9660040834073E+15
Circumference 176943847.62991

Square

Length = n
Perimeter 112645952
Area 793069406374144
Diagonal 39826358.266207

Cube

Length = n
Surface area 4758416438244864
Volume 2.2334014570773E+22
Space diagonal 48777128.032741

Equilateral Triangle

Length = n
Perimeter 84484464
Area 3.4340912644213E+14
Altitude 24388564.016371

Triangular Pyramid

Length = n
Surface area 3.4340912644213E+14
Volume 2.6320888590187E+21
Height 13275452.755402