28913897 (number)

28913897 is an odd 8-digits composite number following 28913896 and preceding 28913898. In scientific notation, it is written as 2.8913897 × 10^7. The sum of its digits is 47. It has a total of 3 prime factors and 8 positive divisors. There are 28013440 positive integers (up to 28913897) that are relatively prime to 28913897.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8913897 × 10^7
Engineering notation 2.8913897 × 10^6

Prime Factorization of 28913897

Prime Factorization 4733 × 41 × 149

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28913897
Product of the distinct prime numbers

The prime factorization of 28913897 is 4733 × 41 × 149. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28913897)

Multiplication

n×y
n×2 57827794
n×3 86741691
n×4 115655588
n×5 144569485

Division

n÷y
n÷2 14456948.5
n÷3 9637965.6666667
n÷3 7228474.25
n÷5 5782779.4

Exponentiation

ny
n2 836013439726609
n3 2.4172406486871E+22
n4 6.9891847140352E+29
n5 2.0208456693559E+37

Nth Root

y√n
2√n 5377.1644014294
3√n 306.92731712423
4√n 73.32915110261
5√n 31.061421424802

Divisors of 28913897

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 -28913896
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 28913897 can be divided by 8 positive divisors. The sum of these divisors (counting 28913897) is 1, the average is 0.125.

Base conversion 28913897

Base System Value
2 Binary 1101110010011000011101001
3 Ternary 2000101222102002
4 Quaternary 1232103003221
5 Quinary 24400221042
6 Senary 2511420345
8 Octal 156230351
10 Decimal 28913897
12 Duodecimal 98246b5
16 Hexadecimal 1b930e9
20 Vigesimal 90e4eh
36 Base36 h7q3t

Cryptographic Hash Functions

md5 a9240531b7680b9fdcddc44d12788c02
sha1 2879a499eb597c759fd118f106cc02270367c97b
sha256 b6b2a30aacb229ea556efa634d17bc3504058991f0af45e26421b18640a80b5d
sha512 a6e32da28b01d6e387c9650024cc015b1b8212ff5d75c5a5850814bc5b9406edc112579a7118d211f2a8d6585bcd488927b99afd52ea660a633133a4ce290946
ripemd-160 962c61bb47e459da824d80354976ec5aff1dc604

28913897 as geometric shapes

Circle

Radius = n
Diameter 57827794
Circumference 181671372.8037
Area 2.6264136805474E+15

Sphere

Radius = n
Volume 1.0125313951832E+23
Surface area 1.050565472219E+16
Circumference 181671372.8037

Square

Length = n
Perimeter 115655588
Area 836013439726609
Diagonal 40890425.278459

Cube

Length = n
Surface area 5016080638359654
Volume 2.4172406486871E+22
Space diagonal 50080338.648813

Equilateral Triangle

Length = n
Perimeter 86741691
Area 3.6200443835423E+14
Altitude 25040169.324407

Triangular Pyramid

Length = n
Surface area 3.6200443835423E+14
Volume 2.8487454240773E+21
Height 13630141.759486