28839985 (number)

28839985 is an odd 8-digits composite number following 28839984 and preceding 28839986. In scientific notation, it is written as 2.8839985 × 10^7. The sum of its digits is 52. It has a total of 2 prime factors and 4 positive divisors. There are 23071984 positive integers (up to 28839985) that are relatively prime to 28839985.

Interesting facts

Basic properties

Name

Name twenty-eight million eight hundred thirty-nine thousand nine hundred eighty-five

Notation

Scientific notation 2.8839985 × 10^7
Engineering notation 2.8839985 × 10^6

Prime Factorization of 28839985

Prime Factorization 5 × 5767997

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28839985
Product of the distinct prime numbers

The prime factorization of 28839985 is 5 × 5767997. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28839985)

Multiplication

n×y
n×2 57679970
n×3 86519955
n×4 115359940
n×5 144199925

Division

n÷y
n÷2 14419992.5
n÷3 9613328.3333333
n÷3 7209996.25
n÷5 5767997

Exponentiation

ny
n2 831744734800225
n3 2.3987505675467E+22
n4 6.917993038679E+29
n5 1.9951481546561E+37

Nth Root

y√n
2√n 5370.2872362659
3√n 306.66556329681
4√n 73.282243662881
5√n 31.045524827523

Divisors of 28839985

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28839984
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28839985 can be divided by 4 positive divisors. The sum of these divisors (counting 28839985) is 1, the average is 0.25.

Base conversion 28839985

Base System Value
2 Binary 1101110000001000000110001
3 Ternary 2000021020000121
4 Quaternary 1232001000301
5 Quinary 24340334420
6 Senary 2510050241
8 Octal 156010061
10 Decimal 28839985
12 Duodecimal 97a9981
16 Hexadecimal 1b81031
20 Vigesimal 904jj5
36 Base36 h652p

Cryptographic Hash Functions

md5 f3b1453615f630f72f3e8e8e63631318
sha1 ae8be33457984304814d1e8621b7deae243e9448
sha256 9b32a5a39df32a60a21985ae622aed4b2c5d01a0b6c1423d7f43c74120857c54
sha512 13713b443dba7e4f9521b749e7b5a15b4933dedad349ffc22471e6c353a11d37b4436f1e6a2b9e710e71d46bbbed3ea000a00f32ad92b1a771102120c4bfb20b
ripemd-160 a21b2affdea72e1d985ec734005d636e60e85e3d

28839985 as geometric shapes

Circle

Radius = n
Diameter 57679970
Circumference 181206970.01128
Area 2.6130031485104E+15

Sphere

Radius = n
Volume 1.0047862881066E+23
Surface area 1.0452012594042E+16
Circumference 181206970.01128

Square

Length = n
Perimeter 115359940
Area 831744734800225
Diagonal 40785897.925637

Cube

Length = n
Surface area 4990468408801350
Volume 2.3987505675467E+22
Space diagonal 49952319.309524

Equilateral Triangle

Length = n
Perimeter 86519955
Area 3.6015603490047E+14
Altitude 24976159.654762

Triangular Pyramid

Length = n
Surface area 3.6015603490047E+14
Volume 2.826954654479E+21
Height 13595299.308546