28746989 (number)

28746989 is an odd 8-digits prime number following 28746988 and preceding 28746990. In scientific notation, it is written as 2.8746989 × 10^7. The sum of its digits is 53. It has a total of 1 prime factors and 2 positive divisors. There are 28746988 positive integers (up to 28746989) that are relatively prime to 28746989.

Interesting facts

Basic properties

Name

Name twenty-eight million seven hundred forty-six thousand nine hundred eighty-nine

Notation

Scientific notation 2.8746989 × 10^7
Engineering notation 2.8746989 × 10^6

Prime Factorization of 28746989

Prime Factorization 28746989

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 28746989
Product of the distinct prime numbers

The prime factorization of 28746989 is 28746989. Since it has a total of 1 prime factors.

Most popular turbo-numbers

4, 3, 31, 78, 653, 919, 3297, 3659, 73833, 80224, 165268, 917801, 4928685, 1539810, 66614305, 19797639, 206354491, 425808464, 2711256417, 6352664554

Basic calculations (n = 28746989)

Multiplication

n×y
n×2 57493978
n×3 86240967
n×4 114987956
n×5 143734945

Division

n÷y
n÷2 14373494.5
n÷3 9582329.6666667
n÷3 7186747.25
n÷5 5749397.8

Exponentiation

ny
n2 826389376566121
n3 2.3756206317863E+22
n4 6.8291940170134E+29
n5 1.9631876528595E+37

Nth Root

y√n
2√n 5361.6218628322
3√n 306.33558879489
4√n 73.223096512181
5√n 31.025477378118

Divisors of 28746989

1, 28746989

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 28746990
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 14373495
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 5361.6219560875
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999304275
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28746989 can be divided by 2 positive divisors. The sum of these divisors (counting 28746989) is 28746990, the average is 14373495.

Base conversion 28746989

Base System Value
2 Binary 1101101101010010011101101
3 Ternary 2000002111110022
4 Quaternary 1231222103231
5 Quinary 24324400424
6 Senary 2504051525
8 Octal 155522355
10 Decimal 28746989
12 Duodecimal 9763ba5
16 Hexadecimal 1b6a4ed
20 Vigesimal 8jd799
36 Base36 h45bh

Cryptographic Hash Functions

md5 f53e6d20504ead99704745e429d3d95e
sha1 9d2f71dc9f6a2cc4dc729291aa401f612a447beb
sha256 19b647dd3a098d055b9d88d1ae5b08fe078e2b7d8c26614533993cd742de1bf4
sha512 4467bca5d3c29f125f750e78ff9c4aaa35090a635da29b674fb3d293b4bd3aa113441dd1cc702428c1acc0a60beba27f56474025538765048b9d586183e2f2d4
ripemd-160 1bc0dd83d69ff9a4cf56642b0ba552cee3a59e5f

28746989 as geometric shapes

Circle

Radius = n
Diameter 57493978
Circumference 180622658.91045
Area 2.5961787944248E+15

Sphere

Radius = n
Volume 9.950976432715E+22
Surface area 1.0384715177699E+16
Circumference 180622658.91045

Square

Length = n
Perimeter 114987956
Area 826389376566121
Diagonal 40654381.72119

Cube

Length = n
Surface area 4958336259396726
Volume 2.3756206317863E+22
Space diagonal 49791245.512624

Equilateral Triangle

Length = n
Perimeter 86240967
Area 3.5783709676192E+14
Altitude 24895622.756312

Triangular Pyramid

Length = n
Surface area 3.5783709676192E+14
Volume 2.7996957637713E+21
Height 13551460.57373