28995720 (number)

28995720 is an even 8-digits composite number following 28995719 and preceding 28995721. In scientific notation, it is written as 2.8995720 × 10^7. The sum of its digits is 42. It has a total of 6 prime factors and 32 positive divisors. There are 7137024 positive integers (up to 28995720) that are relatively prime to 28995720.

Interesting facts

Basic properties

Name

Name twenty-eight million nine hundred ninety-five thousand seven hundred twenty

Notation

Scientific notation 2.8995720 × 10^7
Engineering notation 2.8995720 × 10^6

Prime Factorization of 28995720

Prime Factorization 2 × 2 × 2 × 39 × 5 × 18587

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 7248930
Product of the distinct prime numbers

The prime factorization of 28995720 is 2 × 2 × 2 × 39 × 5 × 18587. Since it has a total of 6 prime factors.

Most popular turbo-numbers

8, 1, 7, 52, 380, 384, 5280, 5235, 70502, 52405, 911204, 86372, 8917278, 3356530, 69659182, 14350340, 347681637, 506248907, 6997741095, 7024192918

Basic calculations (n = 28995720)

Multiplication

n×y
n×2 57991440
n×3 86987160
n×4 115982880
n×5 144978600

Division

n÷y
n÷2 14497860
n÷3 9665240
n÷3 7248930
n÷5 5799144

Exponentiation

ny
n2 840751778318400
n3 2.4378203153622E+22
n4 7.0686355274555E+29
n5 2.0496017653615E+37

Nth Root

y√n
2√n 5384.7674044475
3√n 307.21656743874
4√n 73.380974403775
5√n 31.078981608098

Divisors of 28995720

1, 2, 4, 5, 8, 10, 20, 39, 40, 78, 156, 195, 312, 390, 780, 1560, 18587, 37174, 74348, 92935, 148696, 185870, 371740, 724893, 743480, 1449786, 2899572, 3624465, 5799144, 7248930, 14497860, 28995720

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28995719
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28995720 can be divided by 32 positive divisors. The sum of these divisors (counting 28995720) is 1, the average is 0.03125.

Base conversion 28995720

Base System Value
2 Binary 1101110100111000010001000
3 Ternary 2000120010122120
4 Quaternary 1232213002020
5 Quinary 24410330340
6 Senary 2513251240
8 Octal 156470210
10 Decimal 28995720
12 Duodecimal 9863b20
16 Hexadecimal 1ba7088
20 Vigesimal 914960
36 Base36 h9h8o

Cryptographic Hash Functions

md5 eab336a8cb33c1aac09792c50fdea826
sha1 fb0095d7153933b9a9bf5c38525c08ca91f7749b
sha256 f0af5295b1e13fccf103728f987940cd81c3b7df07188ad5e71b6c10a5248f87
sha512 25cc80f1d7a679ed1d0d1b497a7421b3ebaf6170d9676ee0de185276d70fc04303cde8893fd2745a895dbfd1b59d7efae68ff6810bb3376bd6db75612d307fb6
ripemd-160 cf11c6f02ebce91146c9dd75dae5f8cb4e91d654

28995720 as geometric shapes

Circle

Radius = n
Diameter 57991440
Circumference 182185481.87509
Area 2.6412996102576E+15

Sphere

Radius = n
Volume 1.0211517858019E+23
Surface area 1.0565198441031E+16
Circumference 182185481.87509

Square

Length = n
Perimeter 115982880
Area 840751778318400
Diagonal 41006140.474773

Cube

Length = n
Surface area 5044510669910400
Volume 2.4378203153622E+22
Space diagonal 50222060.242041

Equilateral Triangle

Length = n
Perimeter 86987160
Area 3.6405619915034E+14
Altitude 25111030.121021

Triangular Pyramid

Length = n
Surface area 3.6405619915034E+14
Volume 2.8729987938449E+21
Height 13668713.491591