28902021 (number)

28902021 is an odd 8-digits composite number following 28902020 and preceding 28902022. In scientific notation, it is written as 2.8902021 × 10^7. The sum of its digits is 24. It has a total of 4 prime factors and 12 positive divisors. There are 18253224 positive integers (up to 28902021) that are relatively prime to 28902021.

Interesting facts

Basic properties

Name

Name twenty-eight million nine hundred two thousand twenty-one

Notation

Scientific notation 2.8902021 × 10^7
Engineering notation 2.8902021 × 10^6

Prime Factorization of 28902021

Prime Factorization 3 × 19 × 19 × 26687

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 1521159
Product of the distinct prime numbers

The prime factorization of 28902021 is 3 × 19 × 19 × 26687. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 2, 69, 87, 826, 102, 2039, 9129, 26793, 66842, 228778, 250821, 3074007, 4475793, 15356316, 51591782, 722693329, 573314125, 4543850862, 5498872000

Basic calculations (n = 28902021)

Multiplication

n×y
n×2 57804042
n×3 86706063
n×4 115608084
n×5 144510105

Division

n÷y
n÷2 14451010.5
n÷3 9634007
n÷3 7225505.25
n÷5 5780404.2

Exponentiation

ny
n2 835326817884441
n3 2.4142633232359E+22
n4 6.9777089267695E+29
n5 2.0166988993338E+37

Nth Root

y√n
2√n 5376.0599885046
3√n 306.8852892603
4√n 73.321620198306
5√n 31.058869392043

Divisors of 28902021

1, 3, 19, 57, 361, 1083, 26687, 80061, 507053, 1521159, 9634007, 28902021

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28902020
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28902021 can be divided by 12 positive divisors. The sum of these divisors (counting 28902021) is 1, the average is 0.083333333333333.

Base conversion 28902021

Base System Value
2 Binary 1101110010000001010000101
3 Ternary 2000101101010020
4 Quaternary 1232100022011
5 Quinary 24344331041
6 Senary 2511245353
8 Octal 156201205
10 Decimal 28902021
12 Duodecimal 9819859
16 Hexadecimal 1b90285
20 Vigesimal 90cf11
36 Base36 h7gxx

Cryptographic Hash Functions

md5 acd236916acd419329c200720c921f2e
sha1 bced0a47ceaa04f00f6d785764472ddbc1f4cac5
sha256 068d3ea293d3b15eee84b57f9458b8967b2f93283c492f04fc2fa2434f305996
sha512 bc17c58ae931b88fcd93cdb087e1dd3622bf0e470bdba4a865ab84429ccb0230594645e1533b70b39234fbbbd5af5ebf3c8003b40614ac4d80c5d91455d9dd4e
ripemd-160 4c7f17b35dfbd1edfc9a6d38a9d6e60b56dac25b

28902021 as geometric shapes

Circle

Radius = n
Diameter 57804042
Circumference 181596753.695
Area 2.6242565944123E+15

Sphere

Radius = n
Volume 1.0112842560146E+23
Surface area 1.0497026377649E+16
Circumference 181596753.695

Square

Length = n
Perimeter 115608084
Area 835326817884441
Diagonal 40873630.078192

Cube

Length = n
Surface area 5011960907306646
Volume 2.4142633232359E+22
Space diagonal 50059768.813423

Equilateral Triangle

Length = n
Perimeter 86706063
Area 3.6170712237517E+14
Altitude 25029884.406711

Triangular Pyramid

Length = n
Surface area 3.6170712237517E+14
Volume 2.8452366123835E+21
Height 13624543.359397