28493397 (number)

28493397 is an odd 8-digits composite number following 28493396 and preceding 28493398. In scientific notation, it is written as 2.8493397 × 10^7. The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors. There are 18854496 positive integers (up to 28493397) that are relatively prime to 28493397.

Interesting facts

Basic properties

Name

Name twenty-eight million four hundred ninety-three thousand three hundred ninety-seven

Notation

Scientific notation 2.8493397 × 10^7
Engineering notation 2.8493397 × 10^6

Prime Factorization of 28493397

Prime Factorization 27 × 137 × 7703

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28493397
Product of the distinct prime numbers

The prime factorization of 28493397 is 27 × 137 × 7703. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28493397)

Multiplication

n×y
n×2 56986794
n×3 85480191
n×4 113973588
n×5 142466985

Division

n÷y
n÷2 14246698.5
n÷3 9497799
n÷3 7123349.25
n÷5 5698679.4

Exponentiation

ny
n2 811873672599609
n3 2.3133038867229E+22
n4 6.5913886026038E+29
n5 1.8781105223526E+37

Nth Root

y√n
2√n 5337.9206625801
3√n 305.43214563535
4√n 73.061074879721
5√n 30.970544855418

Divisors of 28493397

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 -28493396
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 28493397 can be divided by 8 positive divisors. The sum of these divisors (counting 28493397) is 1, the average is 0.125.

Base conversion 28493397

Base System Value
2 Binary 1101100101100011001010101
3 Ternary 1222121121121000
4 Quaternary 1230230121111
5 Quinary 24243242042
6 Senary 2454413513
8 Octal 154543125
10 Decimal 28493397
12 Duodecimal 9661299
16 Hexadecimal 1b2c655
20 Vigesimal 8i1d9h
36 Base36 gypn9

Cryptographic Hash Functions

md5 bc3bac402a2d5c721a45149da93b25fa
sha1 8de5e093a45d13819d90ee5394e7a2c307d5cc44
sha256 13329c884c453597c323aa624d4dfce2f84638b1403888b98f2aaf7a5e554565
sha512 b7472b19c7f902e43c6d103a38bd1eea4ffa0245ab3814bc97244f485273fe8301ff9c96b9571370a63cd6c97f09ede06a55e74397f1baad434860fd09335e3e
ripemd-160 9bb15196be62222ddff462f214f4378fa9e50e93

28493397 as geometric shapes

Circle

Radius = n
Diameter 56986794
Circumference 179029293.38203
Area 2.5505763654819E+15

Sphere

Radius = n
Volume 9.689944661399E+22
Surface area 1.0202305461928E+16
Circumference 179029293.38203

Square

Length = n
Perimeter 113973588
Area 811873672599609
Diagonal 40295748.475481

Cube

Length = n
Surface area 4871242035597654
Volume 2.3133038867229E+22
Space diagonal 49352011.284231

Equilateral Triangle

Length = n
Perimeter 85480191
Area 3.5155161256752E+14
Altitude 24676005.642115

Triangular Pyramid

Length = n
Surface area 3.5155161256752E+14
Volume 2.7262547754116E+21
Height 13431916.158494