28389620 (number)

28389620 is an even 8-digits composite number following 28389619 and preceding 28389621. In scientific notation, it is written as 2.8389620 × 10^7. The sum of its digits is 38. It has a total of 7 prime factors and 72 positive divisors. There are 9549120 positive integers (up to 28389620) that are relatively prime to 28389620.

Interesting facts

Basic properties

Name

Name twenty-eight million three hundred eighty-nine thousand six hundred twenty

Notation

Scientific notation 2.8389620 × 10^7
Engineering notation 2.8389620 × 10^6

Prime Factorization of 28389620

Prime Factorization 2 × 2 × 7 × 5 × 7 × 59 × 491

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 2027830
Product of the distinct prime numbers

The prime factorization of 28389620 is 2 × 2 × 7 × 5 × 7 × 59 × 491. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28389620)

Multiplication

n×y
n×2 56779240
n×3 85168860
n×4 113558480
n×5 141948100

Division

n÷y
n÷2 14194810
n÷3 9463206.6666667
n÷3 7097405
n÷5 5677924

Exponentiation

ny
n2 805970523744400
n3 2.2881196900304E+22
n4 6.4958848514482E+29
n5 1.8441570249637E+37

Nth Root

y√n
2√n 5328.1910626403
3√n 305.06088545314
4√n 72.99445912287
5√n 30.947952092092

Divisors of 28389620

72 divisors

τ Total Divisors 72
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28389619
Sum of the proper positive divisors of n
A Arithmetic Mean 0.013888888888889
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 72
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28389620 can be divided by 72 positive divisors. The sum of these divisors (counting 28389620) is 1, the average is 0.013888888888889.

Base conversion 28389620

Base System Value
2 Binary 1101100010011000011110100
3 Ternary 1222102100020102
4 Quaternary 1230103003310
5 Quinary 24231431440
6 Senary 2452253232
8 Octal 154230364
10 Decimal 28389620
12 Duodecimal 9611218
16 Hexadecimal 1b130f4
20 Vigesimal 8h8e10
36 Base36 gwhkk

Cryptographic Hash Functions

md5 0977b40f70ecdffa2bcc0c8042340967
sha1 0ded96cd3e26bd9fc0bd0303421d94d1d9948bc5
sha256 844d627b05fd5d4342766725691387c309315a7e2fa114ac97183939eb79875c
sha512 a9a45e401f95a8455959f000d1041a663607e4b4d5952d75c5602c0a9a64ca11632148e9f91933d53e12fe6af5acce0d5daa70709efca07c5d1f476bc4740ad8
ripemd-160 266cee3106e4029b62ec5e5c3d8ef41b08ddf15c

28389620 as geometric shapes

Circle

Radius = n
Diameter 56779240
Circumference 178377243.26041
Area 2.5320310764053E+15

Sphere

Radius = n
Volume 9.5844533449784E+22
Surface area 1.0128124305621E+16
Circumference 178377243.26041

Square

Length = n
Perimeter 113558480
Area 805970523744400
Diagonal 40148985.634618

Cube

Length = n
Surface area 4835823142466400
Volume 2.2881196900304E+22
Space diagonal 49172264.247574

Equilateral Triangle

Length = n
Perimeter 85168860
Area 3.4899547413205E+14
Altitude 24586132.123787

Triangular Pyramid

Length = n
Surface area 3.4899547413205E+14
Volume 2.6965749149783E+21
Height 13382995.211539