28997218 (number)

28997218 is an even 8-digits composite number following 28997217 and preceding 28997219. In scientific notation, it is written as 2.8997218 × 10^7. The sum of its digits is 46. It has a total of 3 prime factors and 8 positive divisors. There are 14424816 positive integers (up to 28997218) that are relatively prime to 28997218.

Interesting facts

Basic properties

Name

Name twenty-eight million nine hundred ninety-seven thousand two hundred eighteen

Notation

Scientific notation 2.8997218 × 10^7
Engineering notation 2.8997218 × 10^6

Prime Factorization of 28997218

Prime Factorization 2 × 197 × 73597

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28997218
Product of the distinct prime numbers

The prime factorization of 28997218 is 2 × 197 × 73597. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28997218)

Multiplication

n×y
n×2 57994436
n×3 86991654
n×4 115988872
n×5 144986090

Division

n÷y
n÷2 14498609
n÷3 9665739.3333333
n÷3 7249304.5
n÷5 5799443.6

Exponentiation

ny
n2 840838651739524
n3 2.4381981687317E+22
n4 7.0700963825914E+29
n5 2.0501312608701E+37

Nth Root

y√n
2√n 5384.906498724
3√n 307.22185790337
4√n 73.381922152012
5√n 31.079302726886

Divisors of 28997218

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28997217
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28997218 can be divided by 8 positive divisors. The sum of these divisors (counting 28997218) is 1, the average is 0.125.

Base conversion 28997218

Base System Value
2 Binary 1101110100111011001100010
3 Ternary 2000120012201001
4 Quaternary 1232213121202
5 Quinary 24410402333
6 Senary 2513302214
8 Octal 156473142
10 Decimal 28997218
12 Duodecimal 986496a
16 Hexadecimal 1ba7662
20 Vigesimal 914d0i
36 Base36 h9iea

Cryptographic Hash Functions

md5 860ca21ee2fc14cd8c13faad6910038d
sha1 f1a2f8aabc270aee0f32374b1975e79f7fac1e54
sha256 8d9106c6189e162a85e4f55662affca4a92bb7f19500c3e2a5cbacbfbe512c82
sha512 46644ca62fb931613ba753d574448812921f7fc1430f3f8a0b2f120b536c1533be0d7b414478ab1e639af85eec4a2e2483d81c839a7a4ea0e65dceabf5ef9abe
ripemd-160 ddb4407bb9f065c78b7b85e0201ba1f07f371cb0

28997218 as geometric shapes

Circle

Radius = n
Diameter 57994436
Circumference 182194894.08668
Area 2.6415725311592E+15

Sphere

Radius = n
Volume 1.0213100606511E+23
Surface area 1.0566290124637E+16
Circumference 182194894.08668

Square

Length = n
Perimeter 115988872
Area 840838651739524
Diagonal 41008258.966689

Cube

Length = n
Surface area 5045031910437144
Volume 2.4381981687317E+22
Space diagonal 50224654.854151

Equilateral Triangle

Length = n
Perimeter 86991654
Area 3.6409381644514E+14
Altitude 25112327.427075

Triangular Pyramid

Length = n
Surface area 3.6409381644514E+14
Volume 2.8734440983114E+21
Height 13669419.655563