28391007 (number)

28391007 is an odd 8-digits composite number following 28391006 and preceding 28391008. In scientific notation, it is written as 2.8391007 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 18896792 positive integers (up to 28391007) that are relatively prime to 28391007.

Interesting facts

Basic properties

Name

Name twenty-eight million three hundred ninety-one thousand seven

Notation

Scientific notation 2.8391007 × 10^7
Engineering notation 2.8391007 × 10^6

Prime Factorization of 28391007

Prime Factorization 3 × 647 × 14627

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28391007
Product of the distinct prime numbers

The prime factorization of 28391007 is 3 × 647 × 14627. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28391007)

Multiplication

n×y
n×2 56782014
n×3 85173021
n×4 113564028
n×5 141955035

Division

n÷y
n÷2 14195503.5
n÷3 9463669
n÷3 7097751.75
n÷5 5678201.4

Exponentiation

ny
n2 806049278474049
n3 2.2884550707502E+22
n4 6.4971543932853E+29
n5 1.8446075585985E+37

Nth Root

y√n
2√n 5328.3212177946
3√n 305.06585337871
4√n 72.995350658755
5√n 30.948254484099

Divisors of 28391007

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28391006
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28391007 can be divided by 8 positive divisors. The sum of these divisors (counting 28391007) is 1, the average is 0.125.

Base conversion 28391007

Base System Value
2 Binary 1101100010011011001011111
3 Ternary 1222102102010210
4 Quaternary 1230103121133
5 Quinary 24232003012
6 Senary 2452303503
8 Octal 154233137
10 Decimal 28391007
12 Duodecimal 9611b93
16 Hexadecimal 1b1365f
20 Vigesimal 8h8ha7
36 Base36 gwin3

Cryptographic Hash Functions

md5 5da1ea6dab6d8f5e7eb5c650893a4d4d
sha1 a1556f401dbaa13817582747bfe13b8c3127cb06
sha256 aa3568ffb7ced11085bdf1bd42074581202290c5f9cbc5f9eb45f463abeb94ce
sha512 a31af41ae2db2ea175b3499f7dca9e073464e4d7ea69eb51f6246b2de357496ea86da2bfbaac8a88ea1c6e1222ab4c8c9cb1447aef8e1bd57d1a9c6f32179961
ripemd-160 d2572440352df0b2660032075c309d013624d914

28391007 as geometric shapes

Circle

Radius = n
Diameter 56782014
Circumference 178385958.03843
Area 2.5322784916854E+15

Sphere

Radius = n
Volume 9.585858184452E+22
Surface area 1.0129113966742E+16
Circumference 178385958.03843

Square

Length = n
Perimeter 113564028
Area 806049278474049
Diagonal 40150947.148829

Cube

Length = n
Surface area 4836295670844294
Volume 2.2884550707502E+22
Space diagonal 49174666.602044

Equilateral Triangle

Length = n
Perimeter 85173021
Area 3.4902957593032E+14
Altitude 24587333.301022

Triangular Pyramid

Length = n
Surface area 3.4902957593032E+14
Volume 2.696970164947E+21
Height 13383649.04961