28018907 (number)

28018907 is an odd 8-digits composite number following 28018906 and preceding 28018908. In scientific notation, it is written as 2.8018907 × 10^7. The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors. There are 22456320 positive integers (up to 28018907) that are relatively prime to 28018907.

Interesting facts

Basic properties

Name

Name twenty-eight million eighteen thousand nine hundred seven

Notation

Scientific notation 2.8018907 × 10^7
Engineering notation 2.8018907 × 10^6

Prime Factorization of 28018907

Prime Factorization 7 × 17 × 173 × 1361

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28018907
Product of the distinct prime numbers

The prime factorization of 28018907 is 7 × 17 × 173 × 1361. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 3, 86, 40, 783, 925, 5095, 9493, 31784, 74018, 267434, 848723, 5837767, 2382144, 35516787, 6860791, 322210210, 413217879, 8532263345, 9046983137

Basic calculations (n = 28018907)

Multiplication

n×y
n×2 56037814
n×3 84056721
n×4 112075628
n×5 140094535

Division

n÷y
n÷2 14009453.5
n÷3 9339635.6666667
n÷3 7004726.75
n÷5 5603781.4

Exponentiation

ny
n2 785059149474649
n3 2.1996499298629E+22
n4 6.1631786817386E+29
n5 1.7268553030802E+37

Nth Root

y√n
2√n 5293.2888642129
3√n 303.72723036599
4√n 72.754992022629
5√n 30.866702628457

Divisors of 28018907

1, 7, 17, 119, 173, 1211, 1361, 2941, 9527, 20587, 23137, 161959, 235453, 1648171, 4002701, 28018907

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 -28018906
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 28018907 can be divided by 16 positive divisors. The sum of these divisors (counting 28018907) is 1, the average is 0.0625.

Base conversion 28018907

Base System Value
2 Binary 1101010111000100011011011
3 Ternary 1221201111201022
4 Quaternary 1222320203123
5 Quinary 24133101112
6 Senary 2440313055
8 Octal 152704333
10 Decimal 28018907
12 Duodecimal 947278b
16 Hexadecimal 1ab88db
20 Vigesimal 8f2757
36 Base36 gojiz

Cryptographic Hash Functions

md5 5b2e5c9766057260de428056e40ae125
sha1 457a579ce959b23c5be9e1054f97a38241ec11a7
sha256 3c628d2cd2c5732d60afb8317abe23afe1acea159c39535f9b2108153974fceb
sha512 f31bae7ce6652057edf820afd878c99eb5cfe58fbe30a99a7b60bb82ce2d79cccebda826116a9be5ef130a1ee3876219332f4fc7940f4efe0a2645392837db5f
ripemd-160 0ef8e6c35131356022cd26e4f66950dfd153648a

28018907 as geometric shapes

Circle

Radius = n
Diameter 56037814
Circumference 176047984.78563
Area 2.466336056623E+15

Sphere

Radius = n
Volume 9.2138720801689E+22
Surface area 9.865344226492E+15
Circumference 176047984.78563

Square

Length = n
Perimeter 112075628
Area 785059149474649
Diagonal 39624718.28227

Cube

Length = n
Surface area 4710354896847894
Volume 2.1996499298629E+22
Space diagonal 48530170.496547

Equilateral Triangle

Length = n
Perimeter 84056721
Area 3.3994058345923E+14
Altitude 24265085.248274

Triangular Pyramid

Length = n
Surface area 3.3994058345923E+14
Volume 2.5923123027377E+21
Height 13208239.427423