28821447 (number)

28821447 is an odd 8-digits composite number following 28821446 and preceding 28821448. In scientific notation, it is written as 2.8821447 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors. There are 18551232 positive integers (up to 28821447) that are relatively prime to 28821447.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8821447 × 10^7
Engineering notation 2.8821447 × 10^6

Prime Factorization of 28821447

Prime Factorization 9 × 3 × 29 × 36809

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28821447
Product of the distinct prime numbers

The prime factorization of 28821447 is 9 × 3 × 29 × 36809. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 4, 18, 25, 717, 544, 8701, 1294, 87454, 61847, 792057, 468902, 9795233, 6801662, 77968960, 56586569, 829164849, 742323200, 8810958190, 6173249225

Basic calculations (n = 28821447)

Multiplication

n×y
n×2 57642894
n×3 86464341
n×4 115285788
n×5 144107235

Division

n÷y
n÷2 14410723.5
n÷3 9607149
n÷3 7205361.75
n÷5 5764289.4

Exponentiation

ny
n2 830675807173809
n3 2.3941278750642E+22
n4 6.9002229662386E+29
n5 1.9887441050963E+37

Nth Root

y√n
2√n 5368.5609803745
3√n 306.59984221866
4√n 73.270464584132
5√n 31.04153266198

Divisors of 28821447

1, 3, 9, 27, 29, 87, 261, 783, 36809, 110427, 331281, 993843, 1067461, 3202383, 9607149, 28821447

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28821446
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28821447 can be divided by 16 positive divisors. The sum of these divisors (counting 28821447) is 1, the average is 0.0625.

Base conversion 28821447

Base System Value
2 Binary 1101101111100011111000111
3 Ternary 2000020021121000
4 Quaternary 1231330133013
5 Quinary 24334241242
6 Senary 2505424343
8 Octal 155743707
10 Decimal 28821447
12 Duodecimal 979b0b3
16 Hexadecimal 1b7c7c7
20 Vigesimal 902dc7
36 Base36 h5qrr

Cryptographic Hash Functions

md5 87bbb8630a849aad7c98133d27a78c70
sha1 8ebb6fe9ec09eb694a6bc927935f06205839c983
sha256 bf2805d17e61b271e623a0bb54f581c8c15a0364cc10154d637822cd72c62081
sha512 7c58634dfe48e6a2c446fa3f04fb464cb4eb99988efccdf9e2d1af04285a0f60b0740f7d208d3056ae276f54c3f100e71036093982b5d753987f6ce442cf19fc
ripemd-160 ce9389a33fae1a954aa7c2f4c53dd2d3e4858859

28821447 as geometric shapes

Circle

Radius = n
Diameter 57642894
Circumference 181090492.32206
Area 2.609645013332E+15

Sphere

Radius = n
Volume 1.0028499392075E+23
Surface area 1.0438580053328E+16
Circumference 181090492.32206

Square

Length = n
Perimeter 115285788
Area 830675807173809
Diagonal 40759681.234617

Cube

Length = n
Surface area 4984054843042854
Volume 2.3941278750642E+22
Space diagonal 49920210.551654

Equilateral Triangle

Length = n
Perimeter 86464341
Area 3.5969317566083E+14
Altitude 24960105.275827

Triangular Pyramid

Length = n
Surface area 3.5969317566083E+14
Volume 2.8215067591427E+21
Height 13586560.411539