28805989 (number)

28805989 is an odd 8-digits prime number following 28805988 and preceding 28805990. In scientific notation, it is written as 2.8805989 × 10^7. The sum of its digits is 49. It has a total of 1 prime factors and 2 positive divisors. There are 28805988 positive integers (up to 28805989) that are relatively prime to 28805989.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8805989 × 10^7
Engineering notation 2.8805989 × 10^6

Prime Factorization of 28805989

Prime Factorization 28805989

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 28805989
Product of the distinct prime numbers

The prime factorization of 28805989 is 28805989. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28805989)

Multiplication

n×y
n×2 57611978
n×3 86417967
n×4 115223956
n×5 144029945

Division

n÷y
n÷2 14402994.5
n÷3 9601996.3333333
n÷3 7201497.25
n÷5 5761197.8

Exponentiation

ny
n2 829785002268121
n3 2.39027776477E+22
n4 6.8854314998911E+29
n5 1.9834166404612E+37

Nth Root

y√n
2√n 5367.1211091236
3√n 306.54501883289
4√n 73.260638197627
5√n 31.038202204718

Divisors of 28805989

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 28805990
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 14402995
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 5367.1212022834
Returns the nth root of the product of n divisors
H Harmonic Mean 1.99999993057
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28805989 can be divided by 2 positive divisors. The sum of these divisors (counting 28805989) is 28805990, the average is 14402995.

Base conversion 28805989

Base System Value
2 Binary 1101101111000101101100101
3 Ternary 2000012111101111
4 Quaternary 1231320231211
5 Quinary 24333242424
6 Senary 2505225021
8 Octal 155705545
10 Decimal 28805989
12 Duodecimal 9792171
16 Hexadecimal 1b78b65
20 Vigesimal 900ej9
36 Base36 h5eud

Cryptographic Hash Functions

md5 47877db579e09ca656115f14fe88aa79
sha1 69709c2e0e5e794020ae694082de99ce280d3a72
sha256 d14e50f225046ac8ef174f1bc82e2c4cb5b2241fa10a5eb412cdc1c1faff38d3
sha512 5e003719912c2ebe275e672f0f55c5e4de322ec56f287828b75238a6c33956b536ac77fb704568dad8aee856a299ca977eca5847e7ea40268ef094e4e725477f
ripemd-160 88d1ff3b1240088a740f1c38b6b1a26bdbcfce14

28805989 as geometric shapes

Circle

Radius = n
Diameter 57611978
Circumference 180993366.84358
Area 2.6068464671845E+15

Sphere

Radius = n
Volume 1.0012372087787E+23
Surface area 1.0427385868738E+16
Circumference 180993366.84358

Square

Length = n
Perimeter 115223956
Area 829785002268121
Diagonal 40737820.32137

Cube

Length = n
Surface area 4978710013608726
Volume 2.39027776477E+22
Space diagonal 49893436.51027

Equilateral Triangle

Length = n
Perimeter 86417967
Area 3.5930744582176E+14
Altitude 24946718.255135

Triangular Pyramid

Length = n
Surface area 3.5930744582176E+14
Volume 2.8169693606472E+21
Height 13579273.440457