28621809 (number)

28621809 is an odd 8-digits composite number following 28621808 and preceding 28621810. In scientific notation, it is written as 2.8621809 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors. There are 18076608 positive integers (up to 28621809) that are relatively prime to 28621809.

Interesting facts

Basic properties

Name

Name twenty-eight million six hundred twenty-one thousand eight hundred nine

Notation

Scientific notation 2.8621809 × 10^7
Engineering notation 2.8621809 × 10^6

Prime Factorization of 28621809

Prime Factorization 9 × 3 × 19 × 55793

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28621809
Product of the distinct prime numbers

The prime factorization of 28621809 is 9 × 3 × 19 × 55793. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 8, 70, 19, 330, 957, 1123, 3752, 93836, 63555, 701180, 193668, 2259780, 8915223, 88150977, 94280891, 140472414, 211128615, 5793458335, 8354783074

Basic calculations (n = 28621809)

Multiplication

n×y
n×2 57243618
n×3 85865427
n×4 114487236
n×5 143109045

Division

n÷y
n÷2 14310904.5
n÷3 9540603
n÷3 7155452.25
n÷5 5724361.8

Exponentiation

ny
n2 819207950432481
n3 2.344721348856E+22
n4 6.7110166605179E+29
n5 1.9208143705316E+37

Nth Root

y√n
2√n 5349.935420171
3√n 305.89029131344
4√n 73.143252731684
5√n 30.998409835128

Divisors of 28621809

1, 3, 9, 19, 27, 57, 171, 513, 55793, 167379, 502137, 1060067, 1506411, 3180201, 9540603, 28621809

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 -28621808
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 28621809 can be divided by 16 positive divisors. The sum of these divisors (counting 28621809) is 1, the average is 0.0625.

Base conversion 28621809

Base System Value
2 Binary 1101101001011101111110001
3 Ternary 1222212010202000
4 Quaternary 1231023233301
5 Quinary 24311344214
6 Senary 2501244213
8 Octal 155135761
10 Decimal 28621809
12 Duodecimal 9703669
16 Hexadecimal 1b4bbf1
20 Vigesimal 8ihea9
36 Base36 h1gq9

Cryptographic Hash Functions

md5 fdec6a19b8ad74a99c1c8dbe0c5a65fe
sha1 24ca00d232062ef3b4f24749114895f9abb3e2d4
sha256 a04cdcf4bab5149e0b6a6b23d39ce43c8cdebcbbfea3e41727d28d1b64422fa1
sha512 860ca89b31998762611cd10d058a4921ca1c97759ab830eea185f7dfc15d857817cc28d84f46ec1e388092a7f2040cad65bf8d1f6fb2dcc82b89799235469174
ripemd-160 2578014672d6d1a0b0a2b07783beff7bec69efb9

28621809 as geometric shapes

Circle

Radius = n
Diameter 57243618
Circumference 179836129.7737
Area 2.573617678841E+15

Sphere

Radius = n
Volume 9.8215458190415E+22
Surface area 1.0294470715364E+16
Circumference 179836129.7737

Square

Length = n
Perimeter 114487236
Area 819207950432481
Diagonal 40477350.467452

Cube

Length = n
Surface area 4915247702594886
Volume 2.344721348856E+22
Space diagonal 49574427.392532

Equilateral Triangle

Length = n
Perimeter 85865427
Area 3.5472744802836E+14
Altitude 24787213.696266

Triangular Pyramid

Length = n
Surface area 3.5472744802836E+14
Volume 2.7632806096149E+21
Height 13492450.155817