28897744 (number)

28897744 is an even 8-digits composite number following 28897743 and preceding 28897745. In scientific notation, it is written as 2.8897744 × 10^7. The sum of its digits is 49. It has a total of 6 prime factors and 20 positive divisors. There are 14427360 positive integers (up to 28897744) that are relatively prime to 28897744.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8897744 × 10^7
Engineering notation 2.8897744 × 10^6

Prime Factorization of 28897744

Prime Factorization 2 × 2 × 2 × 2 × 1291 × 1399

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 3612218
Product of the distinct prime numbers

The prime factorization of 28897744 is 2 × 2 × 2 × 2 × 1291 × 1399. Since it has a total of 6 prime factors.

Most popular turbo-numbers

2, 4, 56, 47, 439, 668, 5854, 5972, 26211, 10350, 189225, 189985, 3688013, 7423779, 83718057, 87082967, 926479603, 755068099, 5763734055, 8838396913

Basic calculations (n = 28897744)

Multiplication

n×y
n×2 57795488
n×3 86693232
n×4 115590976
n×5 144488720

Division

n÷y
n÷2 14448872
n÷3 9632581.3333333
n÷3 7224436
n÷5 5779548.8

Exponentiation

ny
n2 835079608289536
n3 2.4131916739971E+22
n4 6.97357952181E+29
n5 2.0152071578491E+37

Nth Root

y√n
2√n 5375.6621917676
3√n 306.87015060578
4√n 73.318907464362
5√n 31.057950102362

Divisors of 28897744

1, 2, 4, 8, 16, 1291, 1399, 2582, 2798, 5164, 5596, 10328, 11192, 20656, 22384, 1806109, 3612218, 7224436, 14448872, 28897744

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28897743
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28897744 can be divided by 20 positive divisors. The sum of these divisors (counting 28897744) is 1, the average is 0.05.

Base conversion 28897744

Base System Value
2 Binary 1101110001111000111010000
3 Ternary 2000101011020211
4 Quaternary 1232033013100
5 Quinary 24344211434
6 Senary 2511213504
8 Octal 156170720
10 Decimal 28897744
12 Duodecimal 9817294
16 Hexadecimal 1b8f1d0
20 Vigesimal 90c474
36 Base36 h7dn4

Cryptographic Hash Functions

md5 118674f11888067d5d3af26ee7df230c
sha1 7af7df40c64dd09b4f76edb292a6ff6fa55b795b
sha256 fa6bc64f1634b8904aa85ebf236c7ea034eecd8fe28120f297fe65275a598c95
sha512 09a00108ba8a6110620943a793834467009935062f37e9887b266362f38b1c2e310761e11e34483b6a343ba3b96e08ebe827d3423b0e6d87cfbe62ef8e6302b4
ripemd-160 03fd40a7174d048c89dda6f1f6b18aba2a974324

28897744 as geometric shapes

Circle

Radius = n
Diameter 57795488
Circumference 181569880.51144
Area 2.623479962565E+15

Sphere

Radius = n
Volume 1.0108353646311E+23
Surface area 1.049391985026E+16
Circumference 181569880.51144

Square

Length = n
Perimeter 115590976
Area 835079608289536
Diagonal 40867581.486786

Cube

Length = n
Surface area 5010477649737216
Volume 2.4131916739971E+22
Space diagonal 50052360.832119

Equilateral Triangle

Length = n
Perimeter 86693232
Area 3.6160007748055E+14
Altitude 25026180.416059

Triangular Pyramid

Length = n
Surface area 3.6160007748055E+14
Volume 2.8439736616438E+21
Height 13622527.162262