28821442 (number)

28821442 is an even 8-digits composite number following 28821441 and preceding 28821443. In scientific notation, it is written as 2.8821442 × 10^7. The sum of its digits is 31. It has a total of 5 prime factors and 32 positive divisors. There are 12286080 positive integers (up to 28821442) that are relatively prime to 28821442.

Interesting facts

Basic properties

Name

Name twenty-eight million eight hundred twenty-one thousand four hundred forty-two

Notation

Scientific notation 2.8821442 × 10^7
Engineering notation 2.8821442 × 10^6

Prime Factorization of 28821442

Prime Factorization 2 × 19 × 41 × 13 × 1423

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 28821442
Product of the distinct prime numbers

The prime factorization of 28821442 is 2 × 19 × 41 × 13 × 1423. Since it has a total of 5 prime factors.

Most popular turbo-numbers

3, 10, 74, 12, 83, 563, 1569, 784, 87215, 4307, 421566, 619099, 9094645, 2203622, 30521806, 76705331, 902398315, 614421846, 4799536809, 3389494255

Basic calculations (n = 28821442)

Multiplication

n×y
n×2 57642884
n×3 86464326
n×4 115285768
n×5 144107210

Division

n÷y
n÷2 14410721
n÷3 9607147.3333333
n÷3 7205360.5
n÷5 5764288.4

Exponentiation

ny
n2 830675518959364
n3 2.3941266290507E+22
n4 6.9002181779841E+29
n5 1.9887423800411E+37

Nth Root

y√n
2√n 5368.5605147004
3√n 306.59982448882
4√n 73.270461406357
5√n 31.041531584951

Divisors of 28821442

1, 2, 13, 19, 26, 38, 41, 82, 247, 494, 533, 779, 1066, 1423, 1558, 2846, 10127, 18499, 20254, 27037, 36998, 54074, 58343, 116686, 351481, 702962, 758459, 1108517, 1516918, 2217034, 14410721, 28821442

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28821441
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28821442 can be divided by 32 positive divisors. The sum of these divisors (counting 28821442) is 1, the average is 0.03125.

Base conversion 28821442

Base System Value
2 Binary 1101101111100011111000010
3 Ternary 2000020021120211
4 Quaternary 1231330133002
5 Quinary 24334241232
6 Senary 2505424334
8 Octal 155743702
10 Decimal 28821442
12 Duodecimal 979b0aa
16 Hexadecimal 1b7c7c2
20 Vigesimal 902dc2
36 Base36 h5qrm

Cryptographic Hash Functions

md5 4d5dd52239b114716433f0c2169fca1c
sha1 e4a85135f4896a60516bc56919bea8e6b2a2c3a5
sha256 64a424a142507697ef2f582fb169ecd172cd5af7a390ebdfdd9027c2f2d7b790
sha512 bc01d6f5c625c94e7d509c9de505546d46bed8a3a4cec7f61af36bc2c444b793b5983fe59642e9fd9dc8fc49e879ef5e0862dbe2c8fab207748d7b29f6e0c869
ripemd-160 5d5baa3e110b7abc2eb392a94184b0604a62f443

28821442 as geometric shapes

Circle

Radius = n
Diameter 57642884
Circumference 181090460.90613
Area 2.6096441078796E+15

Sphere

Radius = n
Volume 1.0028494172786E+23
Surface area 1.0438576431519E+16
Circumference 181090460.90613

Square

Length = n
Perimeter 115285768
Area 830675518959364
Diagonal 40759674.16355

Cube

Length = n
Surface area 4984053113756184
Volume 2.3941266290507E+22
Space diagonal 49920201.8914

Equilateral Triangle

Length = n
Perimeter 86464326
Area 3.5969305086032E+14
Altitude 24960100.9457

Triangular Pyramid

Length = n
Surface area 3.5969305086032E+14
Volume 2.8215052907018E+21
Height 13586558.054517